Configuration de l'hôte iSCSI Microsoft Windows XP sur MDS/IPS-8

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Mis à jour:29 novembre 2005

ID du document:45140

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Contenu

Introduction

Conditions préalables

Conditions requises

Components Used

Conventions

Théorie générale

Configuration

Diagramme du réseau

Configurations

Vérification

Dépannage

Procédure de dépannage

Informations connexes

Introduction

Les pilotes iSCSI de Cisco, qui résident sur le serveur, sont un composant clé de la solution iSCSI. Ces pilotes iSCSI interceptent les commandes SCSI, les encapsulent dans des paquets IP et les redirigent vers Cisco SN 5420, Cisco SN 5428, Cisco SN 5428-2 ou Cisco MDS/IPS-8. Ce document fournit des exemples de configuration pour un hôte avec Microsoft Windows XP iSCSI à MDS/IPS-8.

Conditions préalables

Conditions requises

Avant d'essayer cette configuration, assurez-vous de respecter les conditions suivantes :

Avant de créer votre configuration iSCSI sur le MDS 9000, vous devez installer un pilote iSCSI compatible avec votre ordinateur exécutant Microsoft Windows XP. La version la plus récente du pilote Cisco iSCSI pour Windows 2000/XP/2003 se trouve sur la page Pilotes Cisco iSCSI (inscrits uniquement) sur Cisco.com. Le nom du fichier est le numéro de version du pilote iSCSI Cisco pour Win2k et se trouve dans le tableau de cette page.

Components Used

Les informations contenues dans ce document sont basées sur les versions de matériel et de logiciel suivantes :

PC avec Microsoft Windows XP et pilote Cisco iSCSI version 3.1.2

Cisco MDS 9216 avec version logicielle 1.1.2

canterbury# show module
Mod  Ports  Module-Type                     Model              Status
---  -----  ------------------------------- ------------------ ------------
1    16     1/2 Gbps FC/Supervisor          DS-X9216-K9-SUP    active *
2    8      IP Storage Module               DS-X9308-SMIP      ok

Mod  Sw           Hw      World-Wide-Name(s) (WWN)
---  -----------  ------  --------------------------------------------------
1    1.1(2)       1.0     20:01:00:0c:30:6c:24:40 to 20:10:00:0c:30:6c:24:40 
2    1.1(2)       0.3     20:41:00:0c:30:6c:24:40 to 20:48:00:0c:30:6c:24:40 

Mod  MAC-Address(es)                         Serial-Num
---  --------------------------------------  ----------
1    00-0b-be-f8-7f-08 to 00-0b-be-f8-7f-0c  JAB070804QK
2    00-05-30-00-ad-e2 to 00-05-30-00-ad-ee  JAB070806SB

* this terminal session 
canterbury# 

canterbury# show version
Cisco Storage Area Networking Operating System (SAN-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2003 by Cisco Systems, Inc. All rights reserved.
The copyright for certain works contained herein are owned by
Andiamo Systems, Inc. and/or other third parties and are used and
distributed under license.
 
 
Software
  BIOS:      version 1.0.7
  loader:    version 1.0(3a)
  kickstart: version 1.1(2)
  system:    version 1.1(2)
 
  BIOS compile time:       03/20/03
  kickstart image file is: bootflash:/k112
  kickstart compile time:  7/13/2003 20:00:00
  system image file is:    bootflash:/s112
  system compile time:     7/13/2003 20:00:00
 
 
Hardware
  RAM 963112 kB
 
  bootflash: 500736 blocks (block size 512b)
  slot0:          0 blocks (block size 512b)
 
  canterbury uptime is 6 days 1 hours 11 minute(s) 5 second(s)
 
  Last reset at 783455 usecs after Thu Aug 28 12:59:37 2003
    Reason: Reset Requested by CLI command reload
    System version: 1.1(2)
 
 
canterbury#

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

Conventions

Le terme MDS 9000 désigne tout produit de commutation Fibre Channel (FC) de la gamme MDS 9000 (MDS 9506, MDS 9509 ou MDS 9216). La lame IPS fait référence au module de services de stockage IP.

For more information on document conventions, refer to the Cisco Technical Tips Conventions.

Théorie générale

Le module de stockage IP permet aux hôtes IP d'accéder aux périphériques de stockage Fibre Channel (FC). Le module de stockage IP est DS-X9308-SMIP. Il fournit un routage SCSI transparent. Les hôtes IP qui utilisent le protocole iSCSI peuvent accéder de manière transparente aux cibles SCSI (FCP) sur le réseau FC. L'hôte IP envoie des commandes SCSI encapsulées dans des unités de données de protocole (PDU) iSCSI à un port IPS MDS 9000 via une connexion TCP/IP. Sur le module de stockage IP, la connectivité est fournie sous la forme d'interfaces Gigabit Ethernet (GE) configurées de manière appropriée. Le module de stockage IP vous permet de créer des cibles iSCSI virtuelles et de les mapper à des cibles FC physiques disponibles dans le SAN FC. Il présente les cibles FC aux hôtes IP comme si les cibles physiques étaient connectées localement.

Chaque hôte iSCSI nécessitant un accès au stockage via le module de stockage IP doit disposer d'un pilote iSCSI compatible. Avec le protocole iSCSI, le pilote iSCSI permet à un hôte iSCSI de transporter des requêtes et des réponses SCSI sur un réseau IP. Du point de vue d'un système d'exploitation hôte, le pilote iSCSI semble être un pilote de transport SCSI similaire à un pilote FC pour un canal périphérique dans l'hôte. Du point de vue du périphérique de stockage, chaque hôte IP apparaît comme un hôte FC.

Le routage SCSI de l'hôte IP vers le périphérique de stockage FC se compose des actions principales suivantes :

Transport des requêtes et des réponses iSCSI sur un réseau IP entre les hôtes et le module de stockage IP.
Routage des requêtes et des réponses SCSI entre les hôtes sur un réseau IP et le périphérique de stockage FC (conversion iSCSI en FCP et vice versa). Ceci est effectué par le module de stockage IP.
Transport de requêtes ou de réponses FCP entre le module de stockage IP et les périphériques de stockage FC.

Par défaut, le module de stockage IP n'importe pas de cibles FC vers iSCSI. Le mappage dynamique ou statique doit être configuré avant que le module de stockage IP ne mette les cibles FC à la disposition des initiateurs iSCSI. Lorsque les deux sont configurées, les cibles FC mappées de manière statique ont un nom configuré. Dans cette configuration, des exemples de mappage statique sont fournis.

Avec le mappage dynamique, chaque fois que l'hôte iSCSI se connecte au module de stockage IP, un nouveau port FC N est créé, et les nWWN et pWWN attribués à ce port N peuvent être différents. Utilisez la méthode de mappage statique si vous devez obtenir les mêmes nWWN et pWWN pour l'hôte iSCSI chaque fois qu'il se connecte au module de stockage IP. Le mappage statique peut être utilisé sur le module de stockage IP pour accéder à des baies de stockage FC intelligentes qui ont un contrôle d'accès et une configuration de mappage/masquage de numéro d'unité logique (LUN) basée sur le pWWN et/ou nWWN de l'initiateur.

Vous pouvez contrôler l'accès à chaque cible iSCSI mappée de manière statique si vous spécifiez une liste des ports de stockage IP sur lesquels ils seront annoncés et spécifiez une liste des noms de noeuds initiateurs iSCSI autorisés à y accéder. Le contrôle d'accès basé sur le zonage FC et le contrôle d'accès basé sur iSCSI sont les deux mécanismes par lesquels le contrôle d'accès peut être fourni pour iSCSI. Les deux méthodes peuvent être utilisées simultanément.

La découverte iSCSI se produit lorsqu'un hôte iSCSI crée une session de découverte iSCSI et des requêtes pour toutes les cibles iSCSI. Le module de stockage IP renvoie uniquement la liste des cibles iSCSI auxquelles l'hôte iSCSI est autorisé à accéder en fonction des stratégies de contrôle d'accès.

La création de session iSCSI se produit lorsqu'un hôte IP initie une session iSCSI. Le module de stockage IP vérifie si la cible iSCSI spécifiée (dans la demande de connexion de session) est une cible mappée statique et, si la valeur est true, vérifie que le nom de noeud iSCSI de l'hôte IP est autorisé à accéder à la cible. Si l’hôte IP n’a pas accès, sa connexion est rejetée.

Le module de stockage IP crée ensuite un port N virtuel FC (le port N peut déjà exister) pour cet hôte IP et effectue une requête de serveur de noms FC pour le FCID du pWWN cible FC auquel l'hôte IP accède. Il utilise le pWWN du port N virtuel de l'hôte IP comme demandeur de la requête de serveur de noms. Ainsi, le serveur de noms effectue une requête appliquée à la zone pour le nom de domaine virtuel (pWWN) et répond à la requête. Si le FCID est renvoyé par le serveur de noms, la session iSCSI est acceptée. Sinon, la demande de connexion est rejetée.

Configuration

Cette section vous fournit des informations pour configurer les fonctionnalités décrites dans ce document.

Remarque : Pour obtenir des informations supplémentaires sur les commandes utilisées dans ce document, reportez-vous au Guide de configuration du logiciel de la gamme Cisco MDS 9000, version 1.2.1a et Cisco MDS 9000, version 1.2.1a guides de configuration.

Remarque : Pour en savoir plus sur les commandes utilisées dans le présent document, utilisez l’outil de recherche de commandes (clients inscrits seulement).

Diagramme du réseau

Ce document utilise la configuration réseau suivante :

Configurations

Ce document utilise les configurations suivantes :

Canterbury (MDS 9216)

Canterbury (MDS 9216)
canterbury# sh run Building Configuration ... .... vsan database vsan 601 !--- VSAN 601 has been used for iSCSI targets. .... vsan database vsan 601 interface fc1/3 vsan 601 interface fc1/4 .... boot system bootflash:/s112 boot kickstart bootflash:/k112 ip domain-name cisco.com ip name-server 144.254.10.123 ip default-gateway 10.48.69.129 ip route 10.48.69.149 255.255.255.255 interface GigabitEthernet2/1 ip routing iscsi authentication none iscsi initiator ip-address 10.48.69.149 !--- Identifies the iSCSI initiator based on the IP address. !--- A virtual N port is created for each NIC or network interface. static pWWN 20:03:00:0c:30:6c:24:4c !--- Defining the PC Langur`s pwwn above; this is necessary here since lunmasking is !--- enforced on the IBM Shark, but not on the JBOD. Therefore, pWWN must be statically !--- bound to the initiator to be able to access and manage disks on IBM Shark. vsan 601 !--- VSAN 601 has been used for iSCSI targets. !--- Targets by way of VSAN 601 are accessible by iSCSI initiators. The !--- targets are defined below. Create a static iSCSI virtual target !--- for Seagate JBOD. iscsi virtual-target name san-fc-jbod-1 pWWN 21:00:00:20:37:67:f7:a2 advertise interface GigabitEthernet2/1 initiator ip address 10.48.69.149 permit !--- Create a static iSCSI virtual target for IBM Shark. iscsi virtual-target name shark-c8 pWWN 50:05:07:63:00:c8:94:4c advertise interface GigabitEthernet2/1 initiator ip address 10.48.69.149 permit ... !--- Here, the zone named 'Zone1' is used under VSAN 601 for connectivity. !--- Both initiator and targets are assigned as members of this zone. switchname canterbury zone name Zone1 vsan 601 member pWWN 50:05:07:63:00:c8:94:4c !--- This is IBM Shark. member pWWN 20:03:00:0c:30:6c:24:4c !--- This is PC Langur. member pWWN 21:00:00:20:37:67:f7:a2 !--- This is Seagate JBOD. member symbolic-nodename 10.48.69.149 !--- You have this entry since zone membership is based on pWWN (not on IP address). zoneset name ZoneSet1 vsan 601 member Zone1 zoneset activate name ZoneSet1 vsan 601 .... interface GigabitEthernet2/1 ip address 10.48.69.222 255.255.255.192 iscsi authentication none no shutdown .... interface fc1/3 no shutdown interface fc1/4 no shutdown ... interface mgmt0 ip address 10.48.69.156 255.255.255.192 interface iscsi2/1 no shutdown canterbury#

Canterbury (MDS 9216)

canterbury# sh run
 
Building Configuration ...
....
vsan database
vsan 601 

!--- VSAN 601 has been used for iSCSI targets.

....
vsan database
vsan 601 interface fc1/3
vsan 601 interface fc1/4
....
boot system bootflash:/s112 
boot kickstart bootflash:/k112 
 
ip domain-name cisco.com
ip name-server 144.254.10.123
ip default-gateway 10.48.69.129
ip route 10.48.69.149 255.255.255.255 interface GigabitEthernet2/1
ip routing
iscsi authentication none
iscsi initiator ip-address 10.48.69.149


 !--- Identifies the iSCSI initiator based on the IP address. !--- A virtual N port is created for each NIC or network interface.


  static pWWN 20:03:00:0c:30:6c:24:4c

  
 !--- Defining the PC Langur`s pwwn above; this is necessary here since lunmasking is !--- enforced on the IBM Shark, but not on the JBOD. Therefore, pWWN must be statically !--- bound to the initiator to be able to access and manage disks on IBM Shark.


  vsan 601


 !--- VSAN 601 has been used for iSCSI targets.

 

 !--- Targets by way of VSAN 601 are accessible by iSCSI initiators. The !--- targets are defined below. Create a static iSCSI virtual target !--- for Seagate JBOD.


iscsi virtual-target name san-fc-jbod-1
  pWWN 21:00:00:20:37:67:f7:a2 
advertise interface  GigabitEthernet2/1
initiator ip address 10.48.69.149 permit


!--- Create a static iSCSI virtual target for IBM Shark.


iscsi virtual-target name shark-c8
  pWWN 50:05:07:63:00:c8:94:4c 
advertise interface  GigabitEthernet2/1
initiator ip address 10.48.69.149 permit
 
 
...


 !--- Here, the zone named 'Zone1' is used under VSAN 601 for connectivity. !--- Both initiator and targets are assigned as members of this zone.


switchname canterbury
zone name Zone1 vsan 601
  member pWWN 50:05:07:63:00:c8:94:4c 


 !--- This is IBM Shark.

  member pWWN 20:03:00:0c:30:6c:24:4c 


 !--- This is PC Langur.

  member pWWN 21:00:00:20:37:67:f7:a2 


 !--- This is Seagate JBOD.

  member symbolic-nodename 10.48.69.149 


 !--- You have this entry since zone membership is based on pWWN (not on IP address).


zoneset name ZoneSet1 vsan 601           
  member Zone1                           
zoneset  activate name ZoneSet1 vsan 601
....
interface GigabitEthernet2/1
ip address 10.48.69.222 255.255.255.192
iscsi authentication none
no shutdown
....
interface fc1/3
no shutdown
 
 
 interface fc1/4
no shutdown
...
 
 interface mgmt0
ip address 10.48.69.156 255.255.255.192
 
 
 interface iscsi2/1
no shutdown
canterbury#

Vérification

Cette section présente des informations que vous pouvez utiliser pour vous assurer que votre configuration fonctionne correctement.

Certaines commandes show sont prises en charge par l'Output Interpreter Tool (clients enregistrés uniquement), qui vous permet de voir une analyse de la sortie de la commande show.

Sur le PC, accédez au Panneau de configuration et vérifiez les éléments suivants :

Connexions réseau -> Connexion au réseau local -> Propriétés TCP/IP
Configuration iSCSI -> état de la cible (pour afficher une capture d'écran, reportez-vous à la section Affichages à partir du PC de ce document).

Sur le MDS 9216, exécutez les commandes suivantes pour vérifier la connectivité :

show zone status : affiche les informations de zone.
show zone active vsan 601 : affiche les zones appartenant au VSAN spécifié.
show fcns database vsan 601 - affiche les informations du serveur de noms pour un VSAN spécifique.
show fcns database detail vsan 601 : affiche les entrées locales pour le VSAN donné.
show flogi database vsan 601 - affiche les informations du serveur FLOGI pour un VSAN spécifique.
show vsan member : affiche les informations d'interface pour différents VSAN.
show iscsi initiator : affiche les informations de l'initiateur iSCSI.
show iscsi initiator detail - affiche les informations de l'initiateur iSCSI de manière plus détaillée.
show iscsi initiator iscsi-session detail - affiche des informations détaillées pour la session initiateur iSCSI.
show iscsi initiator fcp-session detail - affiche des informations détaillées pour la session FCP de l'initiateur iSCSI.
show ips stats tcp interface gigabitethernet 2/1 detail - affiche les statistiques TCP pour une interface GE spécifique.
show iscsi virtual-target configuré - affiche les cibles virtuelles iSCSI qui ont été configurées sur le MDS 9000.
show iscsi initiator configure - affiche les initiateurs iSCSI qui ont été configurés sur le MDS 9000.
show ips arp interface gigabitethernet 2/1 - affiche les informations ARP de stockage IP pour une interface GE spécifique.
show scsi-target devices vsan 601 - affiche les périphériques SCSI pour un VSAN spécifique (pour mapper les LUN FC à des LUN iSCSI).
show int iscsi 2/1 : affiche les interfaces iSCSI.
show iscsi stats iscsi 2/1 : affiche les statistiques iSCSI.
show int gigabitethernet 2/1 : affiche l'interface GE.
show ip route : affiche les informations de route IP.
show ips ip route interface gigabitethernet 2/1 : affiche la table de routage.

Dépannage

Cette section fournit des informations que vous pouvez utiliser pour dépanner votre configuration.

Procédure de dépannage

Cette section fournit des informations que vous pouvez utiliser pour dépanner votre configuration.

Voici quelques informations de dépannage pertinentes pour cette configuration :

Affiche à partir du PC
Écrans de Canterbury Cisco MDS 9216
Affichages du Fabric Manager et du Device Manager

Affiche à partir du PC

Cette capture d'écran est l'affichage iSCSI du PC Langur :

Pour vérifier ces nouveaux disques, cliquez sur Démarrer dans le coin inférieur gauche du PC. Sélectionnez les options suivantes :

Poste de travail -> Panneau de configuration -> Outils d'administration -> Gestion de l'ordinateur

Sous Outils système, sélectionnez Gestionnaire de périphériques. Sur le côté droit, cliquez sur Disques. A voir :

Pour gérer ces disques, cliquez sur Démarrer dans le coin inférieur gauche du PC. Sélectionnez les options suivantes :

Poste de travail -> Panneau de configuration -> Outils d'administration -> Gestion de l'ordinateur

Sous Stockage, cliquez sur Gestion des disques. La capture d'écran du PC Langur est présentée ci-dessous. Notez que Disk1 et Disk2 proviennent d'IBM Shark et Disk3 est le JBOD Seagate.

Affichages de Canterbury (MDS 9216)

Affichages de Canterbury (MDS 9216)
canterbury# show zone status ... VSAN: 601 default-zone: deny distribute: active only Interop: Off Full Zoning Database : Zonesets:1 Zones:1 Aliases: 0 Active Zoning Database : Name: ZoneSet1 Zonesets:1 Zones:1 Status: Activation completed at Wed Sep 10 09:25:45 2003 ... canterbury# canterbury# show zone active vsan 601 zone name Zone1 vsan 601 symbolic-nodename 10.48.69.231 * fcid 0x020001 [pWWN 50:05:07:63:00:c8:94:4c] * fcid 0x020005 [pWWN 20:03:00:0c:30:6c:24:4c] * fcid 0x0201e8 [pWWN 21:00:00:20:37:67:f7:a2] * fcid 0x020005 [symbolic-nodename 10.48.69.149] canterbury# canterbury# show fcns database vsan 601 VSAN 601: -------------------------------------------------------------------------- FCID TYPE pWWN (VENDOR) FC4-TYPE:FEATURE -------------------------------------------------------------------------- 0x020001 N 50:05:07:63:00:c8:94:4c (IBM) scsi-fcp:target fc.. 0x020005 N 20:03:00:0c:30:6c:24:4c (Cisco) scsi-fcp:init isc..w 0x0201e8 NL 21:00:00:20:37:67:f7:a2 (Seagate) scsi-fcp:target Total number of entries = 3 canterbury# canterbury# show fcns database detail vsan 601 ------------------------ VSAN:601 FCID:0x020001 ------------------------ port-wwn (vendor) :50:05:07:63:00:c8:94:4c (IBM) node-wwn :50:05:07:63:00:c0:94:4c class :2,3 node-ip-addr :0.0.0.0 ipa :ff ff ff ff ff ff ff ff fc4-types:fc4_features:scsi-fcp:target fcsb2-ch-cu fcsb2-cu-ch symbolic-port-name : symbolic-node-name : port-type :N port-ip-addr :0.0.0.0 fabric-port-wwn :20:03:00:0c:30:6c:24:40 hard-addr :0x000000 ------------------------ VSAN:601 FCID:0x020005 ------------------------ port-wwn (vendor) :20:03:00:0c:30:6c:24:4c (Cisco) node-wwn :21:00:00:0c:30:6c:24:42 class :2,3 node-ip-addr :10.48.69.149 ipa :ff ff ff ff ff ff ff ff fc4-types:fc4_features:scsi-fcp:init iscsi-gw symbolic-port-name : symbolic-node-name :10.48.69.149 port-type :N port-ip-addr :0.0.0.0 fabric-port-wwn :20:41:00:0c:30:6c:24:40 hard-addr :0x000000 ------------------------ VSAN:601 FCID:0x0201e8 ------------------------ port-wwn (vendor) :21:00:00:20:37:67:f7:a2 (Seagate) node-wwn :20:00:00:20:37:67:f7:a2 class :3 node-ip-addr :0.0.0.0 ipa :ff ff ff ff ff ff ff ff fc4-types:fc4_features:scsi-fcp:target symbolic-port-name : symbolic-node-name : port-type :NL port-ip-addr :0.0.0.0 fabric-port-wwn :20:04:00:0c:30:6c:24:40 hard-addr :0x000000 Total number of entries = 3 canterbury# canterbury# show flogi database vsan 601 --------------------------------------------------------------------------- INTERFACE VSAN FCID PORT NAME NODE NAME --------------------------------------------------------------------------- fc1/3 601 0x020001 50:05:07:63:00:c8:94:4c 50:05:07:63:00:c0:94:4c fc1/4 601 0x0201e8 21:00:00:20:37:67:f7:a2 20:00:00:20:37:67:f7:a2 iscsi2/1 601 0x020005 20:03:00:0c:30:6c:24:4c 21:00:00:0c:30:6c:24:42 Total number of flogi = 3. canterbury# canterbury# show vsan membership ... vsan 601 interfaces: fc1/3 fc1/4 ... canterbury# canterbury# show iscsi initiator ... iSCSI Node name is 10.48.69.149 iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur iSCSI alias name: LANGUR Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) Member of vsans: 601 Number of Virtual n_ports: 1 Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured) Interface iSCSI 2/1, Portal group tag: 0x80 VSAN ID 601, FCID 0x020005 canterbury# canterbury# show iscsi initiator detail ... iSCSI Node name is 10.48.69.149 iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur iSCSI alias name: LANGUR Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) Member of vsans: 601 Number of Virtual n_ports: 1 Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured) Interface iSCSI 2/1, Portal group tag is 0x80 VSAN ID 601, FCID 0x 20005 2 FC sessions, 2 iSCSI sessions iSCSI session details Target: shark-c8 Statistics: PDU: Command: 45, Response: 45 Bytes: TX: 5968, RX: 0 Number of connection: 1 TCP parameters Local 10.48.69.222:3260, Remote 10.48.69.149:2196 Path MTU: 1500 bytes Retransmission timeout: 300 ms Round trip time: Smoothed 219 ms, Variance: 15 Advertized window: Current: 61 KB, Maximum: 62 KB, Scale: 0 Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0 Congestion window: Current: 11 KB Target: san-fc-jbod-1 Statistics: PDU: Command: 26, Response: 26 Bytes: TX: 3168, RX: 0 Number of connection: 1 TCP parameters Local 10.48.69.222:3260, Remote 10.48.69.149:3124 Path MTU: 1500 bytes Retransmission timeout: 300 ms Round trip time: Smoothed 219 ms, Variance: 15 Advertized window: Current: 61 KB, Maximum: 62 KB, Scale: 0 Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0 Congestion window: Current: 11 KB FCP Session details Target FCID: 0x020001 (S_ID of this session: 0x020005) pWWN: 50:05:07:63:00:c8:94:4c, nWWN: 50:05:07:63:00:c0:94:4c Session state: LOGGED_IN 1 iSCSI sessions share this FC session Target: shark-c8 Negotiated parameters RcvDataFieldSize 2048 our_RcvDataFieldSize 1392 MaxBurstSize 0, EMPD: FALSE Random Relative Offset: FALSE, Sequence-in-order: Yes Statistics: PDU: Command: 0, Response: 45 Target FCID: 0x0201e8 (S_ID of this session: 0x020005) pWWN: 21:00:00:20:37:67:f7:a2, nWWN: 20:00:00:20:37:67:f7:a2 Session state: LOGGED_IN 1 iSCSI sessions share this FC session Target: san-fc-jbod-1 Negotiated parameters RcvDataFieldSize 1392 our_RcvDataFieldSize 1392 MaxBurstSize 0, EMPD: FALSE Random Relative Offset: FALSE, Sequence-in-order: Yes Statistics: PDU: Command: 0, Response: 26 canterbury# show iscsi initiator iscsi-session detail iSCSI Node name is 10.48.69.149 iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur iSCSI alias name: LANGUR Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) Member of vsans: 601 Number of Virtual n_ports: 1 Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured) Interface iSCSI 2/1, Portal group tag is 0x80 VSAN ID 601, FCID 0x 20005 2 FC sessions, 2 iSCSI sessions iSCSI session details Target: shark-c8 Statistics: PDU: Command: 45, Response: 45 Bytes: TX: 5968, RX: 0 Number of connection: 1 TCP parameters Local 10.48.69.222:3260, Remote 10.48.69.149:2196 Path MTU: 1500 bytes Retransmission timeout: 300 ms Round trip time: Smoothed 217 ms, Variance: 14 Advertized window: Current: 62 KB, Maximum: 62 KB, Scale: 0 Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0 Congestion window: Current: 11 KB Target: san-fc-jbod-1 Statistics: PDU: Command: 26, Response: 26 Bytes: TX: 3168, RX: 0 Number of connection: 1 TCP parameters Local 10.48.69.222:3260, Remote 10.48.69.149:3124 Path MTU: 1500 bytes Retransmission timeout: 300 ms Round trip time: Smoothed 217 ms, Variance: 14 Advertized window: Current: 61 KB, Maximum: 62 KB, Scale: 0 Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0 Congestion window: Current: 11 KB canterbury# canterbury# show iscsi initiator fcp-session detail iSCSI Node name is 10.48.69.149 iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur iSCSI alias name: LANGUR Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) Member of vsans: 601 Number of Virtual n_ports: 1 Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured) Interface iSCSI 2/1, Portal group tag is 0x80 VSAN ID 601, FCID 0x 20005 2 FC sessions, 2 iSCSI sessions FCP Session details Target FCID: 0x020001 (S_ID of this session: 0x020005) pWWN: 50:05:07:63:00:c8:94:4c, nWWN: 50:05:07:63:00:c0:94:4c Session state: LOGGED_IN 1 iSCSI sessions share this FC session Target: shark-c8 Negotiated parameters RcvDataFieldSize 2048 our_RcvDataFieldSize 1392 MaxBurstSize 0, EMPD: FALSE Random Relative Offset: FALSE, Sequence-in-order: Yes Statistics: PDU: Command: 0, Response: 45 Target FCID: 0x0201e8 (S_ID of this session: 0x020005) pWWN: 21:00:00:20:37:67:f7:a2, nWWN: 20:00:00:20:37:67:f7:a2 Session state: LOGGED_IN 1 iSCSI sessions share this FC session Target: san-fc-jbod-1 Negotiated parameters RcvDataFieldSize 1392 our_RcvDataFieldSize 1392 MaxBurstSize 0, EMPD: FALSE Random Relative Offset: FALSE, Sequence-in-order: Yes Statistics: PDU: Command: 0, Response: 26 canterbury# canterbury# show ips stats tcp interface gigabitethernet 2/1 detail TCP Statistics for port GigabitEthernet2/1 TCP send stats 241247690 segments, 176414627280 bytes 239428551 data, 1738205 ack only packets 42541 control (SYN/FIN/RST), 0 probes, 38280 window updates 498 segments retransmitted, 526612 bytes 464 retransmitted while on ethernet send queue, 111295209 packets split 2505024 delayed acks sent TCP receive stats 34418285 segments, 8983771 data packets in sequence, 9282604852 bytes in s equence 854523 predicted ack, 6126542 predicted data 0 bad checksum, 0 multi/broadcast, 0 bad offset 0 no memory drops, 0 short segments 1844 duplicate bytes, 77 duplicate packets 0 partial duplicate bytes, 0 partial duplicate packets 123700 out-of-order bytes, 2235 out-of-order packets 6 packet after window, 0 bytes after window 0 packets after close 28128679 acks, 173967225697 ack bytes, 0 ack toomuch, 75348 duplicate acks 0 ack packets left of snd_una, 12 non-4 byte aligned packets 18442549 window updates, 0 window probe 88637 pcb hash miss, 2150 no port, 14 bad SYN, 0 paws drops TCP Connection Stats 26 attempts, 42272 accepts, 42274 established 42327 closed, 40043 drops, 24 conn drops 106 drop in retransmit timeout, 152 drop in keepalive timeout 0 drop in persist drops, 0 connections drained TCP Miscellaneous Stats 9776335 segments timed, 9780142 rtt updated 402 retransmit timeout, 457 persist timeout 69188 keepalive timeout, 69015 keepalive probes TCP SACK Stats 100 recovery episodes, 231520160 data packets, 330107461536 data bytes 396 data packets retransmitted, 482072 data bytes retransmitted 13 connections closed, 46 retransmit timeouts TCP SYN Cache Stats 42281 entries, 42272 connections completed, 3 entries timed out 0 dropped due to overflow, 6 dropped due to RST 0 dropped due to ICMP unreach, 0 dropped due to bucket overflow 0 abort due to no memory, 43 duplicate SYN, 1833 no-route SYN drop 0 hash collisions, 0 retransmitted TCP Active Connections Local Address Remote Address State Send-Q Recv-Q 10.48.69.222:3260 10.48.69.149:1026 ESTABLISH 0 0 10.48.69.222:3260 10.48.69.149:2196 ESTABLISH 0 0 10.48.69.222:3260 10.48.69.149:3124 ESTABLISH 0 0 0.0.0.0:3260 0.0.0.0:0 LISTEN 0 0 canterbury# canterbury# show iscsi virtual-target configured target: shark-c8 * Port WWN 50:05:07:63:00:c8:94:4c !--- The asterisk () in front of the pWWN means !--- that you have both discovery and target sessions. If !--- you do not see this, it means that only a discovery !--- session exists.* Configured node No. of advertised interface: 1 GigabitEthernet 2/1 No. of initiators permitted: 2 initiator 10.48.69.231/32 is permitted initiator 10.48.69.149/32 is permitted all initiator permit is disabled target: san-fc-jbod-1 * Port WWN 21:00:00:20:37:67:f7:a2 Configured node No. of advertised interface: 1 GigabitEthernet 2/1 No. of initiators permitted: 2 initiator 10.48.69.232/32 is permitted initiator 10.48.69.149/32 is permitted all initiator permit is disabled canterbury# canterbury# show iscsi initiator configured ... iSCSI Node name is 10.48.69.149 Member of vsans: 601 No. of pWWN: 1 Port WWN is 20:03:00:0c:30:6c:24:4c canterbury# canterbury# show ips arp interface gigabitethernet 2/1 Protocol Address Age (min) Hardware Addr Type Interface Internet 10.48.69.149 3 0008.e21e.c7bc ARPA GigabitEthernet2/1 Internet 10.48.69.200 0 0008.e21e.c7bc ARPA GigabitEthernet2/1 Internet 10.48.69.201 4 0202.3d30.45c9 ARPA GigabitEthernet2/1 Internet 10.48.69.206 9 0005.9ba6.95ff ARPA GigabitEthernet2/1 Internet 10.48.69.209 6 0009.7c60.561f ARPA GigabitEthernet2/1 Internet 10.48.69.229 4 0800.209e.edab ARPA GigabitEthernet2/1 Internet 10.48.69.233 0 0010.4200.7d5b ARPA GigabitEthernet2/1 Internet 10.48.69.235 0 0800.20b6.6559 ARPA GigabitEthernet2/1 Internet 10.48.69.238 4 0030.6e1b.6f51 ARPA GigabitEthernet2/1 Internet 10.48.69.239 1 0030.6e1c.a00b ARPA GigabitEthernet2/1 Internet 10.48.69.248 7 0202.3d30.45f8 ARPA GigabitEthernet2/1 Internet 10.48.69.252 1 0202.3d30.45fc ARPA GigabitEthernet2/1 Internet 10.10.2.28 0 0202.3d0a.021c ARPA GigabitEthernet2/1 canterbury# canterbury# show scsi-target devices vsan 601 -------------------------------------------------------------------------------- VSAN FCID pWWN VENDOR MODEL REV -------------------------------------------------------------------------------- 601 0x020001 50:05:07:63:00:c8:94:4c IBM 2105F20 .114 601 0x0201e8 21:00:00:20:37:67:f7:a2 SEAGATE ST318203FC 0004 canterbury# canterbury# show int iscsi 2/1 iscsi2/1 is up Hardware is GigabitEthernet Port WWN is 20:41:00:0c:30:6c:24:40 Admin port mode is ISCSI Port mode is ISCSI Speed is 1 Gbps iSCSI initiator is identified by name Number of iSCSI session: 3, Number of TCP connection: 3 Configured TCP parameters Local Port is 3260 PMTU discover is enabled, reset timeout is 3600 sec Keepalive-timeout is 60 sec Minimum-retransmit-time is 300 ms Max-retransmissions 4 Sack is enabled Maximum allowed bandwidth is 500000 kbps Minimum available bandwidth is 500000 kbps Estimated round trip time is 10000 usec 5 minutes input rate 16 bits/sec, 2 bytes/sec, 0 frames/sec 5 minutes output rate 16 bits/sec, 2 bytes/sec, 0 frames/sec iSCSI statistics Input 76856 packets, 8696216 bytes Command 13139 pdus, Data-out 85 pdus, 84292 bytes Output 89876 packets, 6629892 bytes Response 13132 pdus (with sense 16), R2T 25 pdus Data-in 13072 pdus, 2125736 bytes canterbury# canterbury# show iscsi stats iscsi 2/1 iscsi2/1 5 minutes input rate 8 bits/sec, 1 bytes/sec, 0 frames/sec 5 minutes output rate 8 bits/sec, 1 bytes/sec, 0 frames/sec iSCSI statistics 76857 packets input, 8696264 bytes Command 13139 pdus, Data-out 85 pdus, 84292 bytes, 0 fragments output 89877 packets, 6629940 bytes Response 13132 pdus (with sense 16), R2T 25 pdus Data-in 13072 pdus, 2125736 bytes canterbury# canterbury# show interface gigabitethernet 2/1 GigabitEthernet2/1 is up Hardware is GigabitEthernet, address is 0005.3000.ade6 Internet address is 10.48.69.222/26 MTU 1500 bytes Port mode is IPS Speed is 1 Gbps Beacon is turned off Auto-Negotiation is turned on iSCSI authentication: NONE 5 minutes input rate 464 bits/sec, 58 bytes/sec, 0 frames/sec 5 minutes output rate 64 bits/sec, 8 bytes/sec, 0 frames/sec 30544982 packets input, 9266250283 bytes 29435 multicast frames, 0 compressed 0 input errors, 0 frame, 0 overrun 0 fifo 233947842 packets output, 179379369852 bytes, 0 underruns 0 output errors, 0 collisions, 0 fifo 0 carrier errors canterbury# canterbury# show ip route Codes: C - connected, S - static Gateway of last resort is 10.48.69.129 S 10.48.69.149, gigabitethernet2-1 C 6.6.6.0/30 is directly connected, gigabitethernet2-6 C 5.5.5.0/30 is directly connected, gigabitethernet2-5 C 10.48.69.192/26 is directly connected, gigabitethernet2-1 C 10.48.69.128/26 is directly connected, mgmt0 canterbury# canterbury# show ips ip route interface gigabitethernet 2/1 Codes: C - connected, S - static No default gateway S 10.48.69.149/32 via 0.0.0.0, GigabitEthernet2/1 C 10.48.69.192/26 is directly connected, GigabitEthernet2/1 canterbury#

canterbury# show zone status

 ...

 VSAN: 601 default-zone: deny distribute: active only Interop: Off
 Full Zoning Database :
     Zonesets:1  Zones:1 Aliases: 0
 Active Zoning Database :
     Name: ZoneSet1  Zonesets:1  Zones:1
 Status: Activation completed at Wed Sep 10 09:25:45 2003

  

 ...

 canterbury#

 canterbury# show zone active vsan 601
 zone name Zone1 vsan 601
 symbolic-nodename 10.48.69.231
 * fcid 0x020001 [pWWN 50:05:07:63:00:c8:94:4c]
 * fcid 0x020005 [pWWN 20:03:00:0c:30:6c:24:4c]
 * fcid 0x0201e8 [pWWN 21:00:00:20:37:67:f7:a2]
 * fcid 0x020005 [symbolic-nodename 10.48.69.149]
 canterbury#

 canterbury# show fcns database vsan 601

 VSAN 601:
 --------------------------------------------------------------------------
 FCID        TYPE  pWWN                    (VENDOR)        FC4-TYPE:FEATURE
 --------------------------------------------------------------------------
 0x020001    N     50:05:07:63:00:c8:94:4c (IBM)           scsi-fcp:target fc.. 
 0x020005    N     20:03:00:0c:30:6c:24:4c (Cisco)         scsi-fcp:init isc..w 
 0x0201e8    NL    21:00:00:20:37:67:f7:a2 (Seagate)       scsi-fcp:target 
 Total number of entries = 3 


 canterbury#

 canterbury# show fcns database detail vsan  601

 ------------------------
 VSAN:601   FCID:0x020001
 ------------------------
 port-wwn (vendor)     :50:05:07:63:00:c8:94:4c (IBM)       
 node-wwn              :50:05:07:63:00:c0:94:4c
 class                 :2,3
 node-ip-addr          :0.0.0.0
 ipa                   :ff ff ff ff ff ff ff ff
 fc4-types:fc4_features:scsi-fcp:target fcsb2-ch-cu fcsb2-cu-ch 
 symbolic-port-name    :
 symbolic-node-name    :
 port-type             :N 
 port-ip-addr          :0.0.0.0
 fabric-port-wwn       :20:03:00:0c:30:6c:24:40
 hard-addr             :0x000000
 ------------------------
 VSAN:601   FCID:0x020005
 ------------------------
 port-wwn (vendor)     :20:03:00:0c:30:6c:24:4c (Cisco)     
 node-wwn              :21:00:00:0c:30:6c:24:42
 class                 :2,3
 node-ip-addr          :10.48.69.149
 ipa                   :ff ff ff ff ff ff ff ff
 fc4-types:fc4_features:scsi-fcp:init iscsi-gw 
 symbolic-port-name    :
 symbolic-node-name    :10.48.69.149
 port-type             :N 
 port-ip-addr          :0.0.0.0
 fabric-port-wwn       :20:41:00:0c:30:6c:24:40
 hard-addr             :0x000000
 ------------------------
 VSAN:601   FCID:0x0201e8
 ------------------------
 port-wwn (vendor)     :21:00:00:20:37:67:f7:a2 (Seagate)   
 node-wwn              :20:00:00:20:37:67:f7:a2
 class                 :3
 node-ip-addr          :0.0.0.0
 ipa                   :ff ff ff ff ff ff ff ff
 fc4-types:fc4_features:scsi-fcp:target 
 symbolic-port-name    :
 symbolic-node-name    :
 port-type             :NL
 port-ip-addr          :0.0.0.0
 fabric-port-wwn       :20:04:00:0c:30:6c:24:40
 hard-addr             :0x000000

 Total number of entries = 3

 canterbury#

  

 canterbury# show flogi database vsan 601

 ---------------------------------------------------------------------------
 INTERFACE  VSAN    FCID            PORT NAME               NODE NAME       
 ---------------------------------------------------------------------------
 fc1/3      601   0x020001  50:05:07:63:00:c8:94:4c  50:05:07:63:00:c0:94:4c
 fc1/4      601   0x0201e8  21:00:00:20:37:67:f7:a2  20:00:00:20:37:67:f7:a2
 iscsi2/1   601   0x020005  20:03:00:0c:30:6c:24:4c  21:00:00:0c:30:6c:24:42

 Total number of flogi = 3.

  

 canterbury# 

 canterbury# show vsan membership
...

vsan 601 interfaces:

        fc1/3   fc1/4

...

canterbury#
 canterbury# show iscsi initiator 

 ...

 iSCSI Node name is 10.48.69.149 
     iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur
     iSCSI alias name: LANGUR 
     Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) 
     Member of vsans: 601
     Number of Virtual n_ports: 1
     Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured)
       Interface iSCSI 2/1, Portal group tag: 0x80 
       VSAN ID 601, FCID 0x020005

  

 canterbury#

 canterbury# show iscsi initiator detail

 ...

 iSCSI Node name is 10.48.69.149 
     iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur
     iSCSI alias name: LANGUR 
     Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) 
     Member of vsans: 601
     Number of Virtual n_ports: 1

     Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured)
       Interface iSCSI 2/1, Portal group tag is 0x80 
       VSAN ID 601, FCID 0x 20005
       2 FC sessions, 2 iSCSI sessions 
       iSCSI session details 
         Target: shark-c8
           Statistics:
             PDU: Command: 45, Response: 45
             Bytes: TX: 5968, RX: 0
             Number of connection: 1
           TCP parameters 
             Local 10.48.69.222:3260, Remote 10.48.69.149:2196
             Path MTU: 1500 bytes
             Retransmission timeout: 300 ms
             Round trip time: Smoothed 219 ms, Variance: 15
             Advertized window: Current: 61 KB, Maximum: 62 KB, Scale: 0
             Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0
             Congestion window: Current: 11 KB
         Target: san-fc-jbod-1
           Statistics:
             PDU: Command: 26, Response: 26
             Bytes: TX: 3168, RX: 0
             Number of connection: 1
           TCP parameters 
             Local 10.48.69.222:3260, Remote 10.48.69.149:3124
             Path MTU: 1500 bytes
             Retransmission timeout: 300 ms
             Round trip time: Smoothed 219 ms, Variance: 15
             Advertized window: Current: 61 KB, Maximum: 62 KB, Scale: 0
             Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0
             Congestion window: Current: 11 KB

       FCP Session details 
         Target FCID: 0x020001 (S_ID of this session: 0x020005)
           pWWN: 50:05:07:63:00:c8:94:4c, nWWN: 50:05:07:63:00:c0:94:4c 
           Session state: LOGGED_IN 
           1 iSCSI sessions share this FC session 
             Target: shark-c8
           Negotiated parameters
             RcvDataFieldSize 2048 our_RcvDataFieldSize 1392
             MaxBurstSize 0, EMPD: FALSE 
             Random Relative Offset: FALSE, Sequence-in-order: Yes 
           Statistics:
             PDU: Command: 0, Response: 45
         Target FCID: 0x0201e8 (S_ID of this session: 0x020005)
           pWWN: 21:00:00:20:37:67:f7:a2, nWWN: 20:00:00:20:37:67:f7:a2 
           Session state: LOGGED_IN 
           1 iSCSI sessions share this FC session 
             Target: san-fc-jbod-1
           Negotiated parameters
             RcvDataFieldSize 1392 our_RcvDataFieldSize 1392
             MaxBurstSize 0, EMPD: FALSE 
             Random Relative Offset: FALSE, Sequence-in-order: Yes 
           Statistics:
             PDU: Command: 0, Response: 26

 canterbury# show iscsi initiator iscsi-session detail

 iSCSI Node name is 10.48.69.149 
     iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur
     iSCSI alias name: LANGUR 
     Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) 
     Member of vsans: 601
     Number of Virtual n_ports: 1

     Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured)
       Interface iSCSI 2/1, Portal group tag is 0x80 
       VSAN ID 601, FCID 0x 20005
       2 FC sessions, 2 iSCSI sessions 
       iSCSI session details 
         Target: shark-c8
           Statistics:
             PDU: Command: 45, Response: 45
             Bytes: TX: 5968, RX: 0
             Number of connection: 1
           TCP parameters 
             Local 10.48.69.222:3260, Remote 10.48.69.149:2196
             Path MTU: 1500 bytes
             Retransmission timeout: 300 ms
             Round trip time: Smoothed 217 ms, Variance: 14
             Advertized window: Current: 62 KB, Maximum: 62 KB, Scale: 0
             Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0
             Congestion window: Current: 11 KB
         Target: san-fc-jbod-1
           Statistics:
             PDU: Command: 26, Response: 26
             Bytes: TX: 3168, RX: 0
             Number of connection: 1
           TCP parameters 
             Local 10.48.69.222:3260, Remote 10.48.69.149:3124
             Path MTU: 1500 bytes
             Retransmission timeout: 300 ms
             Round trip time: Smoothed 217 ms, Variance: 14
             Advertized window: Current: 61 KB, Maximum: 62 KB, Scale: 0
             Peer receive window: Current: 63 KB, Maximum: 63 KB, Scale: 0
             Congestion window: Current: 11 KB

  

 canterbury#

 canterbury# show iscsi initiator fcp-session detail

 iSCSI Node name is 10.48.69.149 
     iSCSI Initiator name: iqn.1987-05.com.cisco:02.e746244830dd.langur
     iSCSI alias name: LANGUR 
     Node WWN is 21:00:00:0c:30:6c:24:42 (dynamic) 
     Member of vsans: 601
     Number of Virtual n_ports: 1

     Virtual Port WWN is 20:03:00:0c:30:6c:24:4c (configured)
       Interface iSCSI 2/1, Portal group tag is 0x80 
       VSAN ID 601, FCID 0x 20005
       2 FC sessions, 2 iSCSI sessions 

       FCP Session details 
         Target FCID: 0x020001 (S_ID of this session: 0x020005)
           pWWN: 50:05:07:63:00:c8:94:4c, nWWN: 50:05:07:63:00:c0:94:4c 
           Session state: LOGGED_IN 
           1 iSCSI sessions share this FC session 
             Target: shark-c8
           Negotiated parameters
             RcvDataFieldSize 2048 our_RcvDataFieldSize 1392
             MaxBurstSize 0, EMPD: FALSE 
             Random Relative Offset: FALSE, Sequence-in-order: Yes 
           Statistics:
             PDU: Command: 0, Response: 45
         Target FCID: 0x0201e8 (S_ID of this session: 0x020005)
           pWWN: 21:00:00:20:37:67:f7:a2, nWWN: 20:00:00:20:37:67:f7:a2 
           Session state: LOGGED_IN 
           1 iSCSI sessions share this FC session 
             Target: san-fc-jbod-1
           Negotiated parameters
             RcvDataFieldSize 1392 our_RcvDataFieldSize 1392
             MaxBurstSize 0, EMPD: FALSE 
             Random Relative Offset: FALSE, Sequence-in-order: Yes 
           Statistics:
             PDU: Command: 0, Response: 26

  

 canterbury# 

 canterbury# show ips stats tcp interface gigabitethernet 2/1 detail 

 TCP Statistics for port GigabitEthernet2/1
     TCP send stats
       241247690 segments, 176414627280 bytes
       239428551 data, 1738205 ack only packets
       42541 control (SYN/FIN/RST), 0 probes, 38280 window updates
       498 segments retransmitted, 526612 bytes
       464 retransmitted while on ethernet send queue, 111295209 packets split
       2505024 delayed acks sent
     TCP receive stats
       34418285 segments, 8983771 data packets in sequence, 9282604852 bytes in s
 equence
       854523 predicted ack, 6126542 predicted data
       0 bad checksum, 0 multi/broadcast, 0 bad offset
       0 no memory drops, 0 short segments
       1844 duplicate bytes, 77 duplicate packets
       0 partial duplicate bytes, 0 partial duplicate packets
       123700 out-of-order bytes, 2235 out-of-order packets
       6 packet after window, 0 bytes after window
       0 packets after close
       28128679 acks, 173967225697 ack bytes, 0 ack toomuch, 75348 duplicate acks
       0 ack packets left of snd_una, 12 non-4 byte aligned packets
       18442549 window updates, 0 window probe
       88637 pcb hash miss, 2150 no port, 14 bad SYN, 0 paws drops
     TCP Connection Stats
       26 attempts, 42272 accepts, 42274 established
       42327 closed, 40043 drops, 24 conn drops
       106 drop in retransmit timeout, 152 drop in keepalive timeout
       0 drop in persist drops, 0 connections drained
     TCP Miscellaneous Stats
       9776335 segments timed, 9780142 rtt updated
       402 retransmit timeout, 457 persist timeout
       69188 keepalive timeout, 69015 keepalive probes
     TCP SACK Stats
       100 recovery episodes, 231520160 data packets, 330107461536 data bytes
       396 data packets retransmitted, 482072 data bytes retransmitted
       13 connections closed, 46 retransmit timeouts
     TCP SYN Cache Stats
       42281 entries, 42272 connections completed, 3 entries timed out
       0 dropped due to overflow, 6 dropped due to RST
       0 dropped due to ICMP unreach, 0 dropped due to bucket overflow
       0 abort due to no memory, 43 duplicate SYN, 1833 no-route SYN drop
       0 hash collisions, 0 retransmitted

     TCP Active Connections 
       Local  Address        Remote Address        State      Send-Q   Recv-Q
       10.48.69.222:3260     10.48.69.149:1026     ESTABLISH  0        0
       10.48.69.222:3260     10.48.69.149:2196     ESTABLISH  0        0
       10.48.69.222:3260     10.48.69.149:3124     ESTABLISH  0        0
       0.0.0.0:3260          0.0.0.0:0             LISTEN     0        0

 canterbury# 

 canterbury# show iscsi virtual-target configured 

 target: shark-c8

   * Port WWN 50:05:07:63:00:c8:94:4c 


 !--- The asterisk (*) in front of the pWWN means !--- that you have both discovery and target sessions. If !--- you do not see this, it means that only a discovery !--- session exists. 
 

     Configured node                    
     No. of advertised interface: 1     
       GigabitEthernet 2/1                
     No. of initiators permitted: 2   
       initiator 10.48.69.231/32 is permitted 
       initiator 10.48.69.149/32 is permitted 
     all initiator permit is disabled 
 target: san-fc-jbod-1 
   * Port WWN 21:00:00:20:37:67:f7:a2 
     Configured node
     No. of advertised interface: 1
       GigabitEthernet 2/1
     No. of initiators permitted: 2 
       initiator 10.48.69.232/32 is permitted 
       initiator 10.48.69.149/32 is permitted 
     all initiator permit is disabled  
       

 canterbury#

 canterbury# show iscsi initiator configured

 ...

 iSCSI Node name is 10.48.69.149 
     Member of vsans: 601
     No. of pWWN: 1
       Port WWN is 20:03:00:0c:30:6c:24:4c

  

 canterbury#

 canterbury# show ips arp interface gigabitethernet 2/1 

 Protocol         Address   Age (min)   Hardware Addr  Type   Interface
 Internet    10.48.69.149        3     0008.e21e.c7bc  ARPA  GigabitEthernet2/1
 Internet    10.48.69.200        0     0008.e21e.c7bc  ARPA  GigabitEthernet2/1
 Internet    10.48.69.201        4     0202.3d30.45c9  ARPA  GigabitEthernet2/1
 Internet    10.48.69.206        9     0005.9ba6.95ff  ARPA  GigabitEthernet2/1
 Internet    10.48.69.209        6     0009.7c60.561f  ARPA  GigabitEthernet2/1
 Internet    10.48.69.229        4     0800.209e.edab  ARPA  GigabitEthernet2/1
 Internet    10.48.69.233        0     0010.4200.7d5b  ARPA  GigabitEthernet2/1
 Internet    10.48.69.235        0     0800.20b6.6559  ARPA  GigabitEthernet2/1
 Internet    10.48.69.238        4     0030.6e1b.6f51  ARPA  GigabitEthernet2/1
 Internet    10.48.69.239        1     0030.6e1c.a00b  ARPA  GigabitEthernet2/1
 Internet    10.48.69.248        7     0202.3d30.45f8  ARPA  GigabitEthernet2/1
 Internet    10.48.69.252        1     0202.3d30.45fc  ARPA  GigabitEthernet2/1
 Internet      10.10.2.28        0     0202.3d0a.021c  ARPA  GigabitEthernet2/1

 canterbury#

 canterbury# show scsi-target devices vsan 601

 --------------------------------------------------------------------------------
 VSAN    FCID        pWWN                      VENDOR    MODEL             REV 
 --------------------------------------------------------------------------------
 601     0x020001    50:05:07:63:00:c8:94:4c   IBM       2105F20           .114
 601     0x0201e8    21:00:00:20:37:67:f7:a2   SEAGATE   ST318203FC        0004

 canterbury# 

 canterbury# show int iscsi 2/1

 iscsi2/1 is up
     Hardware is GigabitEthernet 
     Port WWN is 20:41:00:0c:30:6c:24:40
     Admin port mode is ISCSI
     Port mode is ISCSI
     Speed is 1 Gbps
     iSCSI initiator is identified by name 
     Number of iSCSI session: 3, Number of TCP connection: 3 
     Configured TCP parameters 
         Local Port is 3260 
         PMTU discover is enabled, reset timeout is 3600 sec
         Keepalive-timeout is 60 sec
         Minimum-retransmit-time is 300 ms
         Max-retransmissions 4
         Sack is enabled 
         Maximum allowed bandwidth is 500000 kbps
         Minimum available bandwidth is 500000 kbps
         Estimated round trip time is 10000 usec
     5 minutes input rate 16 bits/sec, 2 bytes/sec, 0 frames/sec
     5 minutes output rate 16 bits/sec, 2 bytes/sec, 0 frames/sec
     iSCSI statistics 
       Input 76856 packets, 8696216 bytes 
         Command 13139 pdus, Data-out 85 pdus, 84292 bytes
       Output 89876 packets, 6629892 bytes
         Response 13132 pdus (with sense 16), R2T 25 pdus
         Data-in 13072 pdus, 2125736 bytes

  

  

 canterbury# 

 canterbury# show iscsi stats iscsi 2/1 

 iscsi2/1 
     5 minutes input rate 8 bits/sec, 1 bytes/sec, 0 frames/sec
     5 minutes output rate 8 bits/sec, 1 bytes/sec, 0 frames/sec
     iSCSI statistics 
       76857 packets input, 8696264 bytes 
         Command 13139 pdus, Data-out 85 pdus, 84292 bytes, 0 fragments 
       output 89877 packets, 6629940 bytes
         Response 13132 pdus (with sense 16), R2T 25 pdus 
         Data-in 13072 pdus, 2125736 bytes 

  

 canterbury# 

 canterbury# show interface gigabitethernet 2/1 

 GigabitEthernet2/1 is up
     Hardware is GigabitEthernet, address is 0005.3000.ade6
     Internet address is 10.48.69.222/26
     MTU 1500  bytes
     Port mode is IPS
     Speed is 1 Gbps
     Beacon is turned off
     Auto-Negotiation is turned on
     iSCSI authentication: NONE
     5 minutes input rate 464 bits/sec, 58 bytes/sec, 0 frames/sec
     5 minutes output rate 64 bits/sec, 8 bytes/sec, 0 frames/sec
     30544982 packets input, 9266250283 bytes
       29435 multicast frames, 0 compressed
       0 input errors, 0 frame, 0 overrun 0 fifo
     233947842 packets output, 179379369852 bytes, 0 underruns
       0 output errors, 0 collisions, 0 fifo
       0 carrier errors

  

 canterbury# 

 canterbury# show ip route
 Codes: C - connected, S - static
 Gateway of last resort is 10.48.69.129
 S 10.48.69.149, gigabitethernet2-1
 C 6.6.6.0/30 is directly connected, gigabitethernet2-6
 C 5.5.5.0/30 is directly connected, gigabitethernet2-5
 C 10.48.69.192/26 is directly connected, gigabitethernet2-1
 C 10.48.69.128/26 is directly connected, mgmt0
  


 canterbury#
 canterbury# show ips ip route interface gigabitethernet 2/1
 Codes: C - connected, S - static
 No default gateway
 S 10.48.69.149/32 via 0.0.0.0, GigabitEthernet2/1
 C 10.48.69.192/26 is directly connected, GigabitEthernet2/1
 canterbury#