Inter-rack Switch Control Network Commands on the Cisco IOS XR Software

This module provides command line interface (CLI) commands for configuring inter-rack switch control on the Cisco CRS Router.

clear controller switch

To clear the statistics for the Broadcom switches for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card, use the clear controller switch command in administration EXEC mode.

clear controller switch instance statistics {all location node-id | location node-id | ports number location node-id}

Syntax Description

instance

Switch instance identifier. The switch number is either 0 or 1.

statistics

Clears statistics for packets transmitted/received on switch ports.

all

Clears statistics for all ports.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

ports number

Clears statistics for a specific switch port.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was updated to include inter-rack switches.

Usage Guidelines

The clear controller switch command is used to specify intra-rack switches.

Task ID

Task ID

Operations

root-system

execute

Examples

The following example shows how to clear the statistics for the Broadcom switches:


RP/0/0/CPU0:router(admin)# clear controller switch 1 statistics all location f0/sc0/cpu0

clear controller switch errdisable

To clear the err-disable state of the switch port for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card, use the clear controller switch errdisable command in administration EXEC mode.

clear controller switch errdisable port {FE | GE} {0 | 1} location node-id

Syntax Description

port

Specifies the port.

FE

Specifies the ports for the Fast Ethernet (FE).

GE

Specifies the ports for the Gigabit Ethernet (GE).

0

Specifies port number 0 for the backplane FE.

1

Specifies port number 1 for the backplane FE.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was updated to include inter-rack switches.

Usage Guidelines

No specific guidelines impact the use of this command.

Task ID

Task ID

Operations

root-system

execute

Examples

The following example shows how to clear the error disable state for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)## clear controller switch errdisable port GE 1 location f0/sc0/cpu0

clear controller switch inter-rack

To clear the ISC switch counters, use the clear controller switch inter-rack command in administration EXEC mode.

clear controller switch inter-rack errdisable {ports {all | number} | statistics {all | | {ports | number}} location node-id}

Syntax Description

errdisable

Clears the err-disabled state of the port if the port was brought down by Unidirectional Link Detection (UDLD).

ports

Specifies the port.

number

Number for the port. The range is from 0 to 21.

all

Specifies all ports for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card.

statistics

Clears the statistics for the switch.

all

Specifies all of the ports.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

The clear controller switch inter-rack command is used to specify inter-rack switches.

Task ID

Task ID

Operations

root-system

execute

Examples

The following example shows how to clear statistics for all the ports for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# clear controller switch inter-rack statistics all location f0/sc0/cpu0

show controllers switch

To display the control Ethernet connection in the route processor (RP), use the show controllers switch command in administration EXEC mode.

show controllers switch instance {ports | statistics} location node-id

Syntax Description

instance

Two intra-rack switches are present on the RP/SC. The instance is from 0 to 1 that identifies the specific switch.

ports

Displays the port states as up, down, or err-disabled. The ports keyword displays control Ethernet switches, port states, statistics, and Spanning Tree Protocol (STP) information.

statistics

Displays switch port statistics.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

The show controllers switch command is used to specify intra-rack switches.

Task ID

Task ID

Operations

fabric

read

root-system

read

Examples

The following sample output shows how to verify the control Ethernet connection on the RP: 


RP/0/RP0/CPU0:router(admin)# show controllers switch 0 ports location 0/rp0/Cpu0

 FE Port  0 : Up, STP State : FORWARDING (Connects to - 0/RP0)
 FE Port  1 : Up, STP State : FORWARDING (Connects to - 0/RP1)
 FE Port  2 : Down                       (Connects to - 0/FC0)
 FE Port  3 : Down                       (Connects to - 0/FC1)
 FE Port  4 : Down                       (Connects to - 0/AM0)
 FE Port  5 : Down                       (Connects to - 0/AM1)
 FE Port  6 : Down                       (Connects to - )
 FE Port  7 : Down                       (Connects to - )
 FE Port  8 : Down                       (Connects to - 0/SM0)
 FE Port  9 : Up, STP State : FORWARDING (Connects to - 0/SM1)
 FE Port 10 : Down                       (Connects to - 0/SM2)
 FE Port 11 : Down                       (Connects to - 0/SM3)
 FE Port 12 : Down                       (Connects to - 0/SM4)
 FE Port 13 : Down                       (Connects to - 0/SM5)
 FE Port 14 : Down                       (Connects to - 0/SM6)
 FE Port 15 : Down                       (Connects to - 0/SM7)
 GE Port  0 : Up, STP State : FORWARDING (Connects to - GE_0)
 GE Port  1 : Up, STP State : FORWARDING (Connects to - Switch 1)

The following sample output shows how to verify the control Ethernet connection on intra-rack switches for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch 0 ports location f0/sc0/Cpu0

 FE Port  0 : Up, STP State : FORWARDING (Connects to - F0/SC0)
 FE Port  1 : Up, STP State : FORWARDING (Connects to - F0/SC1)
 FE Port  2 : Down                       (Connects to - F0/FC0)
 FE Port  3 : Down                       (Connects to - F0/FC1)
 FE Port  4 : Down                       (Connects to - F0/AM0)
 FE Port  5 : Down                       (Connects to - F0/AM1)
 FE Port  6 : Down                       (Connects to - F0/LM0)
 FE Port  7 : Down                       (Connects to - F0/LM1)
 FE Port  8 : Down                       (Connects to - F0/SM0)
 FE Port  9 : Down                       (Connects to - F0/SM1)
 FE Port 10 : Down                       (Connects to - F0/SM2)
 FE Port 11 : Down                       (Connects to - F0/SM3)
 FE Port 12 : Down                       (Connects to - F0/SM4)
 FE Port 13 : Down                       (Connects to - F0/SM5)
 FE Port 14 : Down                       (Connects to - F0/SM6)
 FE Port 15 : Down                       (Connects to - F0/SM7)
 GE Port  0 : Up, STP State : FORWARDING (Connects to - GE_0)
 GE Port  1 : Up, STP State : FORWARDING (Connects to - Switch 1)
Table 1. show controllers switch Field Descriptions

Field

Description

FE Port

Fast Ethernet (FE) port.

STP State

Spanning Tree Protocol (STP) state of the port.

GE Port

Gigabit Ethernet (GE) port.

show controllers switch inter-rack ports

To display the inter-rack switch port states for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card, use the show controllers switch inter-rack ports command in administration EXEC mode.

show controllers switch inter-rack ports all location node-id

Syntax Description

all

Displays all the ports for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

The port numbers, which range from 0 to 21, correspond to those on the front panel.


Note

The show controllers switch inter-rack ports command is applied only to the 22-port SCGE. When you use the all and location keywords, all other supported cards are displayed including the route processor (RP).

Task ID

Task ID

Operations

fabric

read

root-system

read

admin

read

Examples

The following example shows sample output of the control Ethernet connection for inter-rack switches on the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch inter-rack ports all location f0/sc0/CPU0

 GE_Port_0 : Down                      
 GE_Port_1 : Down                      
 …
 …
 GE_Port_13 : Up
 GE_Port_14 : Up
 …
 …
 GE_Port_20 : Down                      
 GE_Port_21 : Down                      
 To_5618  :  Up
 Stacking : Up

show controllers switch inter-rack statistics

To display the statistics on the ports of the inter-rack switches for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card, use the show controllers switch inter-rack statistics command in administration EXEC mode.

show controllers switch inter-rack statistics {interface number | all} {brief | detail} location node-id

Syntax Description

interface number

Number for the Gigabit Ethernet interface. The range is from 0 to 21. The interface number identifies the specific front panel GE port on the 22-port SCGE.

all

Displays statistics of all ports for inter-rack switches.

brief

Displays transmit and receive statistics on the GE ports.

detail

Displays MIB like detailed switch port statistics that include transmit, receive, and error packet counts.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

Task ID

Task ID

Operations

fabric

read

root-system

read

admin

read

Examples

The following example shows sample output on the port statistics counters for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch inter-rack statistics all brief location f0/sc0/cpu0

Port          Tx Frames   Tx Errors   Rx Frames   Rx Errors
-----------------------------------------------------------
GE_Port_0 :      374423           0     1776848           0
GE_Port_1 :      251232           0      170742           0
GE_Port_2 :      857923           0      414409           0
GE_Port_3 :      239437           0      152772           0
GE_Port_4 :      166166           0       82031           0
GE_Port_5 :           0           0           0           0
GE_Port_6 :           0           0           0           0
…
…
GE_Port_16 :           0           0           0           0
GE_Port_17 :           0           0           0           0
GE_Port_18 :           0           0           0           0
GE_Port_19 :           0           0           0           0
GE_Port_20 :           0           0           0           0
GE_Port_21 :           0           0           0           0
To_5618    :      522072           0      293720           0
Stacking   :        1482           0           0           0
Stacking   :           0           0           0           0

The following example shows sample output for the detailed statistics per port for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch inter-rack statistics 0 detail location f0/sc0/cpu0

GE_Port_0 

 Rx fragment            :          0    Tx fragment           :          0 
 Rx unicast             :    1642337    Tx unicast            :     379927 
 Rx multicast           :      51619    Tx multicast          :     205950 
 Rx broadcast           :      91436    Tx broadcast          :     150357 
 Rx FCS error           :          0    Tx FCS error          :          0 
 Rx Pause               :          0    Tx Pause              :          0 
 Rx Undersize           :          0    Tx Oversize           :          0 
 Rx FFP drop            :          0    Tx CFI drop           :          0 
 Rx Control frame       :          0    Tx Cell error         :          0 
                                        Tx Jabber             :          0
                                        Tx excessive collision:          0
                                        Tx tagged vlan        :          0
                                        Tx abort              :          0
Table 2. show controllers switch inter-rack statistics Field Descriptions

Field

Description

Port

Logical port number. The range is from 0 to 21 and corresponds to the ports on the front panel.

Tx Frames

Transmit frame counter.

Tx Errors

Transmit cell error counter.

Rx Frames

Receive frame counter.

Rx Errors

Receive code error counter.

Rx fragment

Receive fragment counter.

Rx unicast

Receive unicast frame counter.

Rx multicast

Receive multicast frame counter.

Rx broadcast

Receive broadcast frame counter.

Rx FCS error

Receive FCS error frame counter.

Rx Pause

Receive pause frame counter.

Rx Undersize

Receive undersize frame counter.

Rx FFP drop

Packets dropped by FFP counter.

Rx Control frame

Receive control frame counter.

Tx fragment

Transmit fragment counter.

Tx unicast

Transmit unicast frame counter.

Tx multicast

Transmit multicast frame counter

Tx broadcast

Transmit broadcast frame counter

Tx FCS error

Transmit FCS error frame counter

Tx Pause

Transmit pause control frame counter.

Tx Oversize

Transmit oversize packet counter.

Tx CFI drop

Number of CFI packets dropped for this port.

Tx Cell error

Transmit cell error counter.

Tx Jabber

Transmit jabber counter.

Tx excessive collision

Transmit excessive collision frame counter.

Tx tagged vlan

Transmit tagged VLAN packet counter.

Tx abort

Transmit aborted packet counter.

show controllers switch inter-rack stp

To display information for the spanning tree protocol (STP) of inter-rack switches for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card, use the show controllers switch inter-rack stp command in administration EXEC mode.

show controllers switch inter-rack stp {location node-id | ports interface number location node-id | region location node-id}

Syntax Description

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

ports interface number

Displays the number for the Gigabit Ethernet interface. The range is from 0 to 21. The interface number that identifies the specific front panel GE port on the 22-port SCGE.

region

Displays MST region configuration information that includes MST revision number, instance to VLAN mapping, and MST region name.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

Task ID

Task ID

Operations

fabric

read

root-system

read

admin

read

Examples

The following sample output displays information for STP:


RP/0/RP0/CPU0:router(admin)# show controllers switch inter-rack stp location f0/sc0/cpu0

##### MST   0 vlans mapped:   2-4094
Bridge        address 5246.48f0.20ff  priority      32768 (32768 sysid 0)
Root          this switch for the CIST
Operational   hello time  1, forward delay  6, max age  8, txholdcount  6
Configured    hello time  1, forward delay  6, max age  8, max hops     4

Interface        Role Sts Cost      Prio.Nbr Type
---------------- ---- --- --------- -------- ---------------------------

##### MST   1 vlans mapped:   1
Bridge        address 5246.48f0.20ff  priority      32769 (32768 sysid 1)
Root          this switch for MST1

Interface        Role Sts Cost      Prio.Nbr Type
---------------- ---- --- --------- -------- ---------------------------
           GE_13 Desg  FWD    20000 128.  14 P2p 
           GE_14 Desg  FWD    20000 128.  15 P2p 
           GE_15 Desg  FWD    20000 128.  16 P2p 
           GE_17 Desg  FWD    20000 128.  18 P2p 
           GE_22 Desg  FWD    20000 128.  23 P2p
Table 3. show controllers switch inter-rack stp Field Descriptions

Field

Description

MST

Multiple Spanning Tree (MST).

vlans mapped

Number of VLANs mapped.

Bridge

Part of the bridge identifier and is taken as the most significant part of the bridge ID comparisons.

Root

MAC address of Root and Priority.

Operational

Operational STP parameters.

Configured

STP configured parameters.

Interface

Interface running STP.

Role

MSTP role that includes designated, alternate, root, and backup.

Sts

Spanning tree state (STS) that includes forwarding, blocking, and learning.

Cost

Cost associated with the port.

Prio.

Priority associated with the port.

show controllers switch inter-rack udld

To display the inter-rack connection for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card, use the show controllers switch inter-rack udld command in administration EXEC mode.

show controllers switch inter-rack udld {interface number | all} location node-id

Syntax Description

interface number

Number for the Gigabit Ethernet interface. The range is from 0 to 21. The interface number identifies the specific front panel GE port on the 22-port SCGE.

all

Displays statistics of all ports for inter-rack switches.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

Task ID

Task ID

Operations

fabric

read

root-system

read

admin

read

Examples

The following sample output shows who is connected to the inter-rack on the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch inter-rack udld all location f0/sc0/cpu0

Interface Gig port# 13
---
…
Current bidirectional state: Bidirectional
Current operational state: Advertisement - Single neighbor detected
…
…
    Entry 1
    ---
    …
    Device name: 0_RP0_CPU0_Switch  
    Port ID: GE_Port_0  
    Neighbor echo 1 device: nodeF0_SC0_CPU0
    Neighbor echo 1 port: Gig port# 13
Table 4. show controllers switch inter-rack udld Field Descriptions

Field

Description

Interface Gig port

Interface number that identifies the specific front panel GE port on the 22-port SCGE.

Current bidirectional state

Current bidirectional state of the port is undetermined, bidirectional, or unidirectional.

Current operational state

Port operational status that includes up or error-disabled.

Device name

Connected device or neighbor.

Port ID

Port ID.

Neighbor echo 1 device

Device ID of neighbor.

Neighbor echo 1 port

Port ID of neighbor.

show controllers switch stp location

To display the STP information for intra-rack switches, use the show controllers switch stp location command in administration EXEC mode.

show controllers switch stp location node-id

Syntax Description

node-id

The node-id argument is entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

The spanning tree protocol (STP) runs on links between RPs and SCs.

Task ID

Task ID

Operations

fabric

read

root-system

read

Examples

The following sample output shows how to verify information for the spanning tree for location 0/rp0/CPU0 on the RP: 


RP/0/RP0/CPU0:router(admin)# show controllers switch stp location 0/rp0/Cpu0

##### MST   0 vlans mapped:   2-4094
Bridge        address 0011.93ef.e392  priority      36864 (36864 sysid 0)
Root          address 5246.48f0.20ff  priority      32768 (32768 sysid 0)
              port       GE_Port_0    path cost             0
Regional Root address 5246.48f0.20ff  priority      32768 (32768 sysid 0)
                                      internal cost     20000 rem hops  3
Operational   hello time  1, forward delay  6, max age  8, txholdcount  6
Configured    hello time  1, forward delay  6, max age  8, max hops     4

Interface        Role Sts Cost      Prio.Nbr Type
---------------- ---- --- --------- -------- ----------------------------

##### MST   1 vlans mapped:   1
Bridge        address 0011.93ef.e392  priority      36865 (36864 sysid 1)
Root          address 5246.48f0.20ff  priority      32769 (32768 sysid 1)
              port       GE_Port_0    cost              20000 rem hops  3

Interface        Role Sts Cost      Prio.Nbr Type
---------------- ---- --- --------- -------- ----------------------------
       FE_Port_1 Desg  FWD   200000 128.   2 P2p 
       GE_Port_0 Root  FWD    20000 128.  49 P2p

The following sample output shows how to verify the connection on intra-rack switches for the 22-port SCGE card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch stp location f0/sc0/CPU0

##### MST   0 vlans mapped:   2-4094
Bridge        address 0800.453e.469a  priority      36864 (36864 sysid 0)
Root          address 5246.48f0.20ff  priority      32768 (32768 sysid 0)
              port       GE_Port_0    path cost             0
Regional Root address 5246.48f0.20ff  priority      32768 (32768 sysid 0)
                                      internal cost     20000 rem hops  3
Operational   hello time  1, forward delay  6, max age  8, txholdcount  6
Configured    hello time  1, forward delay  6, max age  8, max hops     4

Interface        Role Sts Cost      Prio.Nbr Type
---------------- ---- --- --------- -------- ---------------------------

##### MST   1 vlans mapped:   1
Bridge        address 0800.453e.469a  priority      36865 (36864 sysid 1)
Root          address 5246.48f0.20ff  priority      32769 (32768 sysid 1)
              port       GE_Port_0    cost              20000 rem hops  3

Interface        Role Sts Cost      Prio.Nbr Type
---------------- ---- --- --------- -------- ----------------------------
       FE_Port_1 Desg  FWD   200000 128.   2 P2p 
       GE_Port_0 Root  FWD    20000 128.  49 P2p
Table 5. show controllers switch stp location Field Descriptions

Field

Description

MST

Multiple Spanning Tree Protocol (MST).

vlans mapped

VLANs mapped to MST instance.

Bridge

MAC address of Bridge and Priority.

Root

MAC address of Root and Priority.

Regional Root

Root of the MST region.

Operational

Operational STP parameters.

Configured

STP configured parameters.

Interface

Interface running STP.

Role

MSTP role that includes designated, alternate, root, and backup.

Sts

Spanning tree state (STS) that includes forwarding, blocking, and learning.

Cost

Cost of path to root.

Prio.Nbr Type

Priority of switch port.

show controllers switch stp ports

To display the Spanning Tree Protocol (STP) information for intra-rack switches, use the show controllers switch stp ports command in administration EXEC mode.

show controllers switch stp ports {FE {0 | 1} | GE {0 | 1}} location node-id

Syntax Description

FE {0 | 1}

Displays information for the Fast Ethernet (FE) port. Choose one of the following values:

  • 0—FE port number 0.
  • 1—FE port number 1.

GE {0 | 1}

Displays information for the Gigabit Ethernet (GE) port. Choose one of the following values:

  • 0—GE port number 0.
  • 1—GE port number 1.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.


Note

The port numbers must match the port numbers that are displayed on the front panel of the 22-port SCGE card.

Task ID

Task ID

Operations

fabric

read

root-system

read

Examples

The following example shows the remote-end point that is connected to the GE link even if the remote endpoint is on a different chassis: 


RP/0/RP0/CPU0:router(admin)# show controllers switch stp ports FE 1 location 0/rp0/CPU0 

FE_Port_1 of MST1 is designated forwarding 
Edge port:             no        (default) port guard :    none     (default)
Link type: point-to-point           (auto) bpdu filter: disable     (default)
Boundary : internal                        bpdu guard : disable     (default)
Bpdus (MRecords) sent 9190, received 3

Instance Role Sts Cost      Prio.Nbr Vlans mapped
-------- ---- --- --------- -------- -------------------------------
       1 Desg  FWD   200000 128.   2 1
Table 6. show controllers switch stp ports Field Descriptions

Field

Description

GE Port

Gigabit Ethernet (GE) port.

STP State

Spanning Tree Protocol (STP) state of the port

show controllers switch stp region

To display information for the spanning tree for the Multiple Spanning Tree (MST) region, use the show controllers switch stp region command in administration EXEC mode.

show controllers switch stp region location node-id

Syntax Description

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

Task ID

Task ID

Operations

fabric

read

root-system

read

Examples

The following example displays sample output from the show controllers switch stp region command: 


RP/0/RP0/CPU0:router(admin)# show controllers switch stp region location 0/rp0/CPU0

Name      [STP_1]
Revision      1 
Instances configured 2

--------  ---------------------------------------------------------------------
   0      2-4094
   1      1
-------------------------------------------------------------------------------

show controllers switch udld location

To display the Unidirectional Link Detection (UDLD) information for intra-rack switches, use the show controllers switch udld location command in administration EXEC mode.

show controllers switch udld locationn ode-id

Syntax Description

node-id

The node-id argument is entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

UDLD runs on links between RPs and SCs.

Task ID

Task ID

Operations

fabric

read

root-system

read

Examples

The following sample output shows who is connected on the RP:


RP/0/RP0/CPU0:router(admin)# show controllers switch udld location 0/rp0/CPU0

Interface GE_Port_0
…
…
Current bidirectional state: Bidirectional
Current operational state: Advertisement - Single neighbor detected
…
    Entry 1
    ---
    Device name: nodeF0_SC0_CPU0  
    Port ID: Gig port# 13  
    Neighbor echo 1 device: 0_RP0_CPU0_Switch
    Neighbor echo 1 port: GE_Port_0

The following sample output shows an intra-rack connection for the 22-port Shelf Controller Gigabit Ethernet (22-port SCGE) card: 


RP/0/RP0/CPU0:router(admin)# show controllers switch udld location f0/sc0/CPU0

Interface GE_Port_0
---
…
Current bidirectional state: Bidirectional
Current operational state: Advertisement - Single neighbor detected
…

    Entry 1
    ---
    …
    Current neighbor state: Bidirectional
    Device name: nodeF0_SC0_CPU0  
    Port ID: Gig port# 22  
    Neighbor echo 1 device: F0_SC0_CPU0_Switch
    Neighbor echo 1 port: GE_Port_0
Table 7. show controllers switch udld location Field Descriptions

Field

Description

Current bidirectional state

Current bidirectional state of the port is undetermined, bidirectional, or unidirectional.

Current operational state

Port operational status that includes up or error-disabled.

Current neighbor state

Neighbor state states that the link state is observed from the neighbor (undetermined, bidirectional, or unidirectional).

Device name

Connected device or neighbor.

Port ID

Port ID.

Neighbor echo 1 device

Device ID of neighbor.

Neighbor echo 1 port

Port ID of neighbor.

show controllers switch udld ports

To display the information for Unidirectional Link Detection (UDLD) for a specified location, use the show controllers switch udld ports command in administration EXEC mode.

show controllers switch udld ports {FE {0 | 1} | GE {0 | 1}} location node-id

Syntax Description

FE {0 | 1}

Displays information for the Fast Ethernet (FE) port. Choose one of the following values:

  • 0—FE port number 0.
  • 1—FE port number 1.

GE {0 | 1}

Displays information for the Gigabit Ethernet (GE) port. Choose one of the following values:

  • 0—GE port number 0.
  • 1—GE port number 1.

location node-id

Specifies the specific RP/SC in the system in which the switches are present. This applies to location descriptions for the node-id argument as entered in the rack/slot/module notation.

Command Default

No default behavior or values

Command Modes

Administration EXEC

Command History

Release

Modification

Release 3.4.1

This command was introduced.

Usage Guidelines

To use this command, you must be in a user group associated with a task group that includes appropriate task IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator for assistance.

UDLD runs on links between RPs and SCs.

Task ID

Task ID

Operations

fabric

read

root-system

read

Examples

The following example displays sample output from the show controllers switch udld ports command: 


RP/0/RP0/CPU0:router(admin)# show controllers switch udld ports FE 1 location 0/rp0/CPU0

Interface FE_PORT_1
---
Port enable administrative configuration setting: Enabled
Port enable operational state: Enabled
Current bidirectional state: Bidirectional
Current operational state: Advertisement - Single neighbor detected
Message interval: 7
Time out interval: 5

    Entry 1
    ---
    Expiration time: 16
    Device ID: 1
    Current neighbor state: Bidirectional
    Device name: 0_RP1_CPU0_Switch  
    Port ID: FE_PORT_0  
    Neighbor echo 1 device: 0_RP0_CPU0_Switch
    Neighbor echo 1 port: FE_PORT_1

    Message interval: 7
    Time out interval: 5
    CDP Device name: BCM_SWITCH