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Cómo aplicar listas de acceso a interfaces de marcación con un servidor RADIUS

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Actualizado:24 de septiembre de 2018
ID del documento:15251

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Introducción

Este documento muestra cómo aplicar listas de acceso a interfaces de marcado con un servidor RADIUS. Hay dos métodos posibles:

  • Defina la lista de acceso numerada en el router y, a continuación, haga referencia a la lista de acceso numerada en el servidor RADIUS. La mayoría de las versiones de software del IOS® de Cisco admiten esto. Por ejemplo, defina la lista de acceso numerada en el router y haga referencia a ella en el servidor.

  • Defina la lista de acceso completa en el servidor. Para este método por usuario se requiere la versión 11.3 o posterior del software del IOS de Cisco. Por ejemplo, defina la lista de acceso en el servidor RADIUS (en lugar de en el NAS). Cuando la llamada se conecta, el NAS autentica la llamada con el servidor RADIUS. Junto con cualquier información de autenticación, el servidor devuelve la lista de acceso al NAS que luego aplica a la interfaz de marcado.

Nota: Para ISDN, debe utilizar el método por usuario y configurar perfiles virtuales en el router. Estos se describen para Cisco IOS Software Release 11.3 en Configuración de Perfiles Virtuales.

Prerequisites

Requirements

No hay requisitos específicos para este documento.

Componentes Utilizados

La información que contiene este documento se basa en estas versiones de software y hardware.

  • Versión 11.1 o posterior del software del IOS de Cisco (defina las listas de acceso en el router)

  • Versión 11.3 o posterior del software del IOS de Cisco (defina las listas de acceso en el servidor)

  • Cisco Secure ACS UNIX o Cisco Secure ACS para Windows 2.x o Livingston RADIUS o Merit RADIUS

La información que se presenta en este documento se originó a partir de dispositivos dentro de un ambiente de laboratorio específico. All of the devices used in this document started with a cleared (default) configuration. Si la red está funcionando, asegúrese de haber comprendido el impacto que puede tener un comando antes de ejecutarlo.

Convenciones

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

Diagrama de la red

Esta red se utiliza en ambos ejemplos:

ACL1.gif

Definición de Listas de Acceso Numeradas en el Router

Configuración del router 
Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname koala
!
aaa new-model
!

!--- The following three lines of the configuration !--- are specific to Cisco IOS Software Release 12.0.5.T and later. !--- See below this configuration for commands !--- for other Cisco IOS Software Releases.

!
aaa authentication login default local group radius
aaa authentication ppp default if-needed group radius
aaa authorization network default group radius
enable secret 5 $1$mnZQ$g6XdsgVnnYjEa.l7v.Pij1
enable password ww
!
username john password 0 doe
!
ip subnet-zero
!
cns event-service server
!
interface Ethernet0
ip address 10.31.1.5 255.255.255.0
no ip directed-broadcast
no mop enabled
!
interface Serial0
ip address 11.11.11.11 255.255.255.0
no ip directed-broadcast
no ip mroute-cache
no fair-queue
!
interface Serial1
ip address 12.12.12.12 255.255.255.0
no ip directed-broadcast
!
interface Async1
ip unnumbered Ethernet0
no ip directed-broadcast
encapsulation ppp
no ip route-cache
no ip mroute-cache
async mode dedicated
peer default ip address pool mypool
fair-queue 64 16 0
no cdp enable
ppp authentication chap
!
ip local pool mypool 1.1.1.1 1.1.1.5
ip classless
ip route 0.0.0.0 0.0.0.0 10.31.1.1
ip route 9.9.9.0 255.255.255.0 11.11.11.12
ip route 15.15.15.0 255.255.255.0 12.12.12.13
no ip http server
!
access-list 101 permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255
access-list 101 permit tcp 1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255

!--- This is the access-list that is specified by the RADIUS server.

dialer-list 1 protocol ip permit
dialer-list 1 protocol ipx permit
!
radius-server host 172.18.124.111 auth-port 1645 acct-port 1646
radius-server key cisco
!
line con 0
transport input none
line 1
modem InOut
transport input all
stopbits 1
speed 115200
flowcontrol hardware
line 2 16
line aux 0
line vty 0 4
password ww
!
end

Comandos para Otras Versiones de Cisco IOS Software

Nota: Para utilizar estos comandos, quite los comandos en negrita de la configuración anterior y pegue estos comandos en, según lo dictado por su versión de software del IOS de Cisco.

Cisco IOS Software Release 11.3.3.T a 12.0.5.T 

aaa authentication login default radius local
aaa authentication ppp default if-needed radius local
aaa authorization network default radius

Cisco IOS Software Release 11.1 a 11.3.3.T 

aaa authentication login default radius
aaa authentication ppp default if-needed radius
aaa authorization network radius

Configuraciones del servidor - Listas de acceso del router

Este procedimiento implica la configuración de la propia lista de acceso en el router. El servidor RADIUS se configura con el número de lista de acceso que se aplica. Cuando la llamada se autentica, el servidor RADIUS devuelve el número de lista de acceso al NAS, que luego aplica la lista de acceso correspondiente.

Configuración del servidor - Cisco Secure ACS para Windows 2.X - RADIUS

Siga los pasos a continuación:

  1. En Configuración de usuario, introduzca el nombre y la contraseña.

  2. En Group Settings (Parámetros de grupo), marque:

    • Atributo 6 - Enmarcado

    • Atributo 7 - PPP

    • Atributo 11 - Filter-Id. En el área siguiente, escriba 101.in

      Nota: El atributo 11 especifica que se aplica la lista de acceso 101. Asegúrese de que la lista de acceso 101 esté configurada en el router.

Configuración del servidor - Cisco Secure ACS UNIX - RADIUS 

rtp-evergreen# ./ViewProfile -p 9900 -u chaprtr
User Profile Information
user = chaprtr{
profile_id = 51
profile_cycle = 1
radius=Cisco {
check_items= {
2="chaprtr"
}
reply_attributes= {
6=2
7=1
11=101.in
}
}

}

Nota: El atributo 11 especifica que se aplica la lista de acceso 101. Asegúrese de que la lista de acceso 101 esté configurada en el router.

Configuración del servidor - Livingston RADIUS 

chaprtr Password = chaprtr
User-Service-Type = Framed-User,
Framed-Protocol = PPP,
Framed-Filter-Id = 101.in

Nota: Esto especifica que se aplica la lista de acceso 101. Asegúrese de que la lista de acceso 101 esté configurada en el router.

Depuración del router de ejemplo 

koala#show debug
General OS:
  AAA Authentication debugging is on
  AAA Authorization debugging is on
PPP:
  PPP protocol negotiation debugging is on
Radius protocol debugging is on
koala#
*Mar  1 00:55:36.307: As1 LCP: I CONFREQ [Closed] id 0 len 23
*Mar  1 00:55:36.311: As1 LCP:    ACCM 0x00000000 (0x020600000000)
*Mar  1 00:55:36.311: As1 LCP:    MagicNumber 0x00004CDD (0x050600004CDD)
*Mar  1 00:55:36.315: As1 LCP:    PFC (0x0702)
*Mar  1 00:55:36.319: As1 LCP:    ACFC (0x0802)
*Mar  1 00:55:36.319: As1 LCP:    Callback 6  (0x0D0306)
*Mar  1 00:55:36.323: As1 LCP: Lower layer not up, Fast Starting
*Mar  1 00:55:36.323: As1 PPP: Treating connection as a dedicated line
*Mar  1 00:55:36.327: As1 PPP: Phase is ESTABLISHING, 
    Active Open [0 sess, 0 load]
*Mar  1 00:55:36.331: As1 AAA/AUTHOR/FSM: (0): LCP succeeds trivially
*Mar  1 00:55:36.335: As1 LCP: O CONFREQ [Closed] id 26 len 25
*Mar  1 00:55:36.339: As1 LCP:    ACCM 0x000A0000 (0x0206000A0000)
*Mar  1 00:55:36.343: As1 LCP:    AuthProto CHAP (0x0305C22305)
*Mar  1 00:55:36.343: As1 LCP:    MagicNumber 0xE0512B4A (0x0506E0512B4A)
*Mar  1 00:55:36.347: As1 LCP:    PFC (0x0702)
*Mar  1 00:55:36.347: As1 LCP:    ACFC (0x0802)
*Mar  1 00:55:36.355: As1 LCP: O CONFREJ [REQsent] id 0 len 7
*Mar  1 00:55:36.355: As1 LCP:    Callback 6  (0x0D0306)
00:55:36: %LINK-3-UPDOWN: Interface Async1, changed state to up
*Mar  1 00:55:36.479: As1 LCP: I CONFACK [REQsent] id 26 len 25
*Mar  1 00:55:36.483: As1 LCP:    ACCM 0x000A0000 (0x0206000A0000)
*Mar  1 00:55:36.483: As1 LCP:    AuthProto CHAP (0x0305C22305)
*Mar  1 00:55:36.487: As1 LCP:    MagicNumber 0xE0512B4A (0x0506E0512B4A)
*Mar  1 00:55:36.491: As1 LCP:    PFC (0x0702)
*Mar  1 00:55:36.491: As1 LCP:    ACFC (0x0802)
*Mar  1 00:55:36.495: As1 LCP: I CONFREQ [ACKrcvd] id 1 len 20
*Mar  1 00:55:36.499: As1 LCP:    ACCM 0x00000000 (0x020600000000)
*Mar  1 00:55:36.503: As1 LCP:    MagicNumber 0x00004CDD (0x050600004CDD)
*Mar  1 00:55:36.503: As1 LCP:    PFC (0x0702)
*Mar  1 00:55:36.507: As1 LCP:    ACFC (0x0802)
*Mar  1 00:55:36.511: As1 LCP: O CONFACK [ACKrcvd] id 1 len 20
*Mar  1 00:55:36.515: As1 LCP:    ACCM 0x00000000 (0x020600000000)
*Mar  1 00:55:36.515: As1 LCP:    MagicNumber 0x00004CDD (0x050600004CDD)
*Mar  1 00:55:36.519: As1 LCP:    PFC (0x0702)
*Mar  1 00:55:36.519: As1 LCP:    ACFC (0x0802)
*Mar  1 00:55:36.523: As1 LCP: State is Open
*Mar  1 00:55:36.527: As1 PPP: Phase is AUTHENTICATING, 
    by this end [0 sess, 1 load]
*Mar  1 00:55:36.531: As1 CHAP: O CHALLENGE id 8 len 26 from "koala"
*Mar  1 00:55:36.647: As1 LCP: I IDENTIFY [Open] id 2 len 18 
    magic 0x00004CDD MSRASV4.00
*Mar  1 00:55:36.651: As1 LCP: I IDENTIFY [Open] id 3 len 21 
    magic 0x00004CDD MSRAS-1-ZEKIE
*Mar  1 00:55:36.655: As1 CHAP: I RESPONSE id 8 len 28 from "chaprtr"
*Mar  1 00:55:36.663: AAA: parse name=Async1 idb type=10 tty=1
*Mar  1 00:55:36.667: AAA: name=Async1 flags=0x11 type=4 shelf=0 
    slot=0 adapter=0 port=1 channel=0
*Mar  1 00:55:36.671: AAA/MEMORY: create_user (0x4E9DF4) user='chaprtr' 
    ruser='' port='Async1' rem_addr='async' 
    authen_type=CHAP service=PPP priv=1
*Mar  1 00:55:36.675: AAA/AUTHEN/START (128288046): port='Async1' 
    list='' action=LOGIN service=PPP
*Mar  1 00:55:36.675: AAA/AUTHEN/START (128288046): using "default" list
*Mar  1 00:55:36.679: AAA/AUTHEN (128288046): status = UNKNOWN
*Mar  1 00:55:36.679: AAA/AUTHEN/START (128288046): Method=radius (radius)
*Mar  1 00:55:36.683: RADIUS: ustruct sharecount=1
*Mar  1 00:55:36.687: RADIUS: Initial Transmit Async1 
    id 8 172.18.124.111:1645, Access-Request, len 78
*Mar  1 00:55:36.691:         Attribute 4 6 0A1F0105
*Mar  1 00:55:36.695:         Attribute 5 6 00000001
*Mar  1 00:55:36.695:         Attribute 61 6 00000000
*Mar  1 00:55:36.695:         Attribute 1 9 63686170
*Mar  1 00:55:36.699:         Attribute 3 19 08E468A8
*Mar  1 00:55:36.699:         Attribute 6 6 00000002
*Mar  1 00:55:36.703:         Attribute 7 6 00000001
*Mar  1 00:55:36.835: RADIUS: Received from 
    id 8 172.18.124.111:1645, Access-Accept, len 40
*Mar  1 00:55:36.839:         Attribute 6 6 00000002
*Mar  1 00:55:36.843:         Attribute 7 6 00000001
*Mar  1 00:55:36.843:         Attribute 11 8 3130312E
*Mar  1 00:55:36.851: AAA/AUTHEN (128288046): status = PASS
*Mar  1 00:55:36.855: As1 AAA/AUTHOR/LCP: Authorize LCP
*Mar  1 00:55:36.855: As1 AAA/AUTHOR/LCP (821299011): 
    Port='Async1' list='' service=NET
*Mar  1 00:55:36.859: AAA/AUTHOR/LCP: As1 (821299011) user='chaprtr'
*Mar  1 00:55:36.859: As1 AAA/AUTHOR/LCP (821299011): 
    send AV service=ppp
*Mar  1 00:55:36.863: As1 AAA/AUTHOR/LCP (821299011): 
    send AV protocol=lcp
*Mar  1 00:55:36.863: As1 AAA/AUTHOR/LCP (821299011): 
    found list "default"
*Mar  1 00:55:36.867: As1 AAA/AUTHOR/LCP (821299011): 
    Method=radius (radius)
*Mar  1 00:55:36.871: As1 AAA/AUTHOR (821299011): Post 
    authorization status = PASS_REPL
*Mar  1 00:55:36.871: As1 AAA/AUTHOR/LCP: Processing 
    AV service=ppp
*Mar  1 00:55:36.879: As1 CHAP: O SUCCESS id 8 len 4
*Mar  1 00:55:36.883: As1 PPP: Phase is UP [0 sess, 1 load]
*Mar  1 00:55:36.887: As1 AAA/AUTHOR/FSM: (0): Can we 
    start IPCP?
*Mar  1 00:55:36.887: As1 AAA/AUTHOR/FSM (3701006396): 
    Port='Async1' list='' service=NET
*Mar  1 00:55:36.891: AAA/AUTHOR/FSM: As1 (3701006396) 
    user='chaprtr'
*Mar  1 00:55:36.891: As1 AAA/AUTHOR/FSM (3701006396): 
    send AV service=ppp
*Mar  1 00:55:36.895: As1 AAA/AUTHOR/FSM (3701006396): 
    send AV protocol=ip
*Mar  1 00:55:36.899: As1 AAA/AUTHOR/FSM (3701006396): 
    found list "default"
*Mar  1 00:55:36.899: As1 AAA/AUTHOR/FSM (3701006396): 
    Method=radius (radius)
*Mar  1 00:55:36.903: As1 AAA/AUTHOR (3701006396): 
    Post authorization status = PASS_REPL
*Mar  1 00:55:36.907: As1 AAA/AUTHOR/FSM: We can start IPCP
*Mar  1 00:55:36.915: As1 IPCP: O CONFREQ [Closed] id 5 len 10
*Mar  1 00:55:36.915: As1 IPCP:    Address 10.31.1.5 (0x03060A1F0105)
*Mar  1 00:55:36.923: As1 AAA/AUTHOR/FSM: (0): Can we start CDPCP?
*Mar  1 00:55:36.923: As1 AAA/AUTHOR/FSM (3075092411): 
    Port='Async1' list='' service=NET
*Mar  1 00:55:36.927: AAA/AUTHOR/FSM: As1 (3075092411) user='chaprtr'
*Mar  1 00:55:36.931: As1 AAA/AUTHOR/FSM (3075092411): 
    send AV service=ppp
*Mar  1 00:55:36.931: As1 AAA/AUTHOR/FSM (3075092411): 
    send AV protocol=cdp
*Mar  1 00:55:36.935: As1 AAA/AUTHOR/FSM (3075092411): 
    found list "default"
*Mar  1 00:55:36.935: As1 AAA/AUTHOR/FSM (3075092411): 
    Method=radius (radius)
*Mar  1 00:55:36.939: RADIUS: unknown proto "cdp" in acl-check
*Mar  1 00:55:36.943: RADIUS: Filter-Id 101 out of range 
    for protocol cdp. Ignoring.
*Mar  1 00:55:36.943: As1 AAA/AUTHOR (3075092411): Post 
    authorization status = PASS_REPL
*Mar  1 00:55:36.947: As1 AAA/AUTHOR/FSM: We can start CDPCP
*Mar  1 00:55:36.951: As1 CDPCP: O CONFREQ [Closed] id 5 len 4
*Mar  1 00:55:36.987: As1 CCP: I CONFREQ [Not negotiated] id 4 len 12
*Mar  1 00:55:36.991: As1 CCP:    OUI  (0x0002)
*Mar  1 00:55:36.991: As1 CCP:    MS-PPC supported bits 
    0x00007080 (0x120600007080)
*Mar  1 00:55:36.999: As1 LCP: O PROTREJ [Open] id 27 len 18 
    protocol CCP (0x80FD0104000C0002120600007080)
*Mar  1 00:55:37.003: As1 IPCP: I CONFREQ [REQsent] id 5 len 40
*Mar  1 00:55:37.007: As1 IPCP:    CompressType VJ 15 slots 
    CompressSlotID (0x0206002D0F01)
*Mar  1 00:55:37.011: As1 IPCP:    Address 0.0.0.0 (0x030600000000)
*Mar  1 00:55:37.015: As1 IPCP:    PrimaryDNS 0.0.0.0 (0x810600000000)
*Mar  1 00:55:37.019: As1 IPCP:    PrimaryWINS 0.0.0.0 (0x820600000000)
*Mar  1 00:55:37.023: As1 IPCP:    SecondaryDNS 0.0.0.0 (0x830600000000)
*Mar  1 00:55:37.027: As1 IPCP:    SecondaryWINS 0.0.0.0 (0x840600000000)
*Mar  1 00:55:37.027: As1 AAA/AUTHOR/IPCP: Start.  Her 
    address 0.0.0.0, we want 0.0.0.0
*Mar  1 00:55:37.031: As1 AAA/AUTHOR/IPCP: Processing AV service=ppp
*Mar  1 00:55:37.035: As1 AAA/AUTHOR/IPCP: Processing AV inacl=101

!--- Note that acl 101 is applied to the dialer interface.

*Mar  1 00:55:37.035: As1 AAA/AUTHOR/IPCP: Authorization succeeded
*Mar  1 00:55:37.039: As1 AAA/AUTHOR/IPCP: Done.  
    Her address 0.0.0.0, we want 0.0.0.0
*Mar  1 00:55:37.043: As1 IPCP: Pool returned 1.1.1.1
*Mar  1 00:55:37.047: As1 IPCP: O CONFREJ [REQsent] id 5 len 28
*Mar  1 00:55:37.051: As1 IPCP:    CompressType VJ 15 slots 
    CompressSlotID (0x0206002D0F01)
*Mar  1 00:55:37.055: As1 IPCP:    PrimaryWINS 0.0.0.0 (0x820600000000)
*Mar  1 00:55:37.059: As1 IPCP:    SecondaryDNS 0.0.0.0 (0x830600000000)
*Mar  1 00:55:37.063: As1 IPCP:    SecondaryWINS 0.0.0.0 (0x840600000000)
*Mar  1 00:55:37.067: As1 IPCP: I CONFACK [REQsent] id 5 len 10
*Mar  1 00:55:37.071: As1 IPCP:    Address 10.31.1.5 (0x03060A1F0105)
*Mar  1 00:55:37.075: As1 LCP: I PROTREJ [Open] id 6 len 10 
    protocol CDPCP (0x820701050004)
*Mar  1 00:55:37.079: As1 CDPCP: State is Closed
*Mar  1 00:55:37.183: As1 IPCP: I CONFREQ [ACKrcvd] id 7 len 16
*Mar  1 00:55:37.187: As1 IPCP:    Address 0.0.0.0 (0x030600000000)
*Mar  1 00:55:37.191: As1 IPCP:    PrimaryDNS 0.0.0.0 (0x810600000000)
*Mar  1 00:55:37.191: As1 AAA/AUTHOR/IPCP: Start.  
    Her address 0.0.0.0, we want 1.1.1.1
*Mar  1 00:55:37.195: As1 AAA/AUTHOR/IPCP: Processing AV service=ppp
*Mar  1 00:55:37.199: As1 AAA/AUTHOR/IPCP: Processing AV inacl=101
*Mar  1 00:55:37.199: As1 AAA/AUTHOR/IPCP: Authorization succeeded
*Mar  1 00:55:37.203: As1 AAA/AUTHOR/IPCP: Done.  
    Her address 0.0.0.0, we want 1.1.1.1
*Mar  1 00:55:37.207: As1 IPCP: O CONFNAK [ACKrcvd] id 7 len 16
*Mar  1 00:55:37.211: As1 IPCP:    Address 1.1.1.1 (0x030601010101)
*Mar  1 00:55:37.215: As1 IPCP:    
    PrimaryDNS 172.18.125.3 (0x8106AC127D03)
*Mar  1 00:55:37.327: As1 IPCP: I CONFREQ [ACKrcvd] id 8 len 16
*Mar  1 00:55:37.331: As1 IPCP:    Address 1.1.1.1 (0x030601010101)
*Mar  1 00:55:37.335: As1 IPCP:    
    PrimaryDNS 172.18.125.3 (0x8106AC127D03)
*Mar  1 00:55:37.335: As1 AAA/AUTHOR/IPCP: Start.  
    Her address 1.1.1.1, we want 1.1.1.1
*Mar  1 00:55:37.343: As1 AAA/AUTHOR/IPCP (408915304): 
    Port='Async1' list='' service=NET
*Mar  1 00:55:37.347: AAA/AUTHOR/IPCP: As1 (408915304) user='chaprtr'
*Mar  1 00:55:37.347: As1 AAA/AUTHOR/IPCP (408915304): send AV service=ppp
*Mar  1 00:55:37.351: As1 AAA/AUTHOR/IPCP (408915304): send AV protocol=ip
*Mar  1 00:55:37.355: As1 AAA/AUTHOR/IPCP (408915304): send AV addr*1.1.1.1
*Mar  1 00:55:37.355: As1 AAA/AUTHOR/IPCP (408915304): found list "default"
*Mar  1 00:55:37.359: As1 AAA/AUTHOR/IPCP (408915304): Method=radius (radius)
*Mar  1 00:55:37.363: As1 AAA/AUTHOR (408915304): 
    Post authorization status = PASS_REPL
*Mar  1 00:55:37.367: As1 AAA/AUTHOR/IPCP: Reject 1.1.1.1, using 1.1.1.1
*Mar  1 00:55:37.375: As1 AAA/AUTHOR/IPCP: Processing AV service=ppp
*Mar  1 00:55:37.375: As1 AAA/AUTHOR/IPCP: Processing AV inacl=101
*Mar  1 00:55:37.379: As1 AAA/AUTHOR/IPCP: Processing AV addr*1.1.1.1
*Mar  1 00:55:37.379: As1 AAA/AUTHOR/IPCP: Authorization succeeded
*Mar  1 00:55:37.383: As1 AAA/AUTHOR/IPCP: Done.  
    Her address 1.1.1.1, we want 1.1.1.1
*Mar  1 00:55:37.387: As1 IPCP: O CONFACK [ACKrcvd] id 8 len 16
*Mar  1 00:55:37.391: As1 IPCP:    Address 1.1.1.1 (0x030601010101)
*Mar  1 00:55:37.395: As1 IPCP:    PrimaryDNS 172.18.125.3 (0x8106AC127D03)
*Mar  1 00:55:37.399: As1 IPCP: State is Open
*Mar  1 00:55:37.727: As1 IPCP: Install route to 1.1.1.1
*Mar  1 00:55:37: %LINEPROTO-5-UPDOWN: Line protocol on Interface 
    Async1, changed state to up

koala#

Definir listas de acceso en el servidor

Nota: Las sentencias de ruta no tienen que ser transmitidas desde el servidor al router; el usuario de marcado normalmente recoge las rutas del router. La presencia de las sentencias de ruta en el router depende de si las rutas deben pasar desde el servidor o recogerse desde el router. Sin embargo, en este ejemplo, la lista de acceso y las sentencias de ruta se pasan.

ip route 9.9.9.0 255.255.255.0 11.11.11.12
ip route 15.15.15.0 255.255.255.0 12.12.12.13

En esta configuración de ejemplo, el paso de las rutas desde el servidor es sólo para fines ilustrativos.

Configuración del router 
Current configuration:
!
version 12.0
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname koala
!
aaa new-model
!

!--- The following three lines of the configuration are !--- specific to Cisco IOS Software Release 12.0.5.T and later. !--- See below this configuration for commands !--- for other Cisco IOS Software Releases.

!
aaa authentication login default group radius none
aaa authentication ppp default if-needed group radius
aaa authorization network default group radius
enable secret 5 $1$mnZQ$g6XdsgVnnYjEa.l7v.Pij1
enable password ww
!
username john password 0 doe
!
ip subnet-zero
!
cns event-service server
!
interface Ethernet0
ip address 10.31.1.5 255.255.255.0
no ip directed-broadcast
no mop enabled
!
interface Serial0
ip address 11.11.11.11 255.255.255.0
no ip directed-broadcast
no ip mroute-cache
no fair-queue
!
interface Serial1
ip address 12.12.12.12 255.255.255.0
no ip directed-broadcast
!
interface Async1
ip unnumbered Ethernet0
no ip directed-broadcast
encapsulation ppp
no ip route-cache
no ip mroute-cache
async mode dedicated
peer default ip address pool mypool
fair-queue 64 16 0
no cdp enable
ppp authentication chap
!
ip local pool mypool 1.1.1.1 1.1.1.5
ip classless
ip route 0.0.0.0 0.0.0.0 10.31.1.1
ip route 172.17.192.0 255.255.255.0 10.31.1.1
ip route 172.18.124.0 255.255.255.0 10.31.1.1
ip route 172.18.125.0 255.255.255.0 10.31.1.1
no ip http server
!
dialer-list 1 protocol ip permit
dialer-list 1 protocol ipx permit
!
radius-server host 172.18.124.111 auth-port 1645 acct-port 1646
radius-server key cisco
!
line con 0
transport input none
line 1
autoselect during-login
autoselect ppp
modem InOut
transport input all
stopbits 1
speed 115200
flowcontrol hardware
line 2 16
line aux 0
line vty 0 4
password ww
!
end

Comandos para Otras Versiones de Cisco IOS Software

Nota: Para utilizar estos comandos, quite los comandos en negrita de la configuración anterior y pegue estos comandos en, según lo dictado por su versión de software del IOS de Cisco.

Cisco IOS Software Release 11.3.3.T a 12.0.5.T 

aaa authentication login default radius local
aaa authentication ppp default if-needed radius local
aaa authorization network default radius

Cisco IOS Software Release 11.3 a 11.3.3.T 

aaa authentication login default radius
aaa authentication ppp default if-needed radius
aaa authorization network radius

Configuración del servidor

Configuración del servidor - Cisco Secure ACS UNIX - RADIUS 

# ./ViewProfile -p 9900 -u chaprtr
User Profile Information
user = chaprtr{
profile_id = 31
profile_cycle = 1
radius=Cisco {
check_items= {
2="chaprtr"
}
reply_attributes= {
6=2
7=1
9,1="ip:route#1=9.9.9.9 255.255.255.255 11.11.11.12"
9,1="ip:route#2=15.15.15.15 255.255.255.255 12.12.12.13"
9,1="ip:route#3=15.15.15.16 255.255.255.255 12.12.12.13"
9,1="ip:inacl#1=permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255"
9,1="ip:inacl#2=permit tcp 1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255"

!--- The access-list to be applied is specified. !--- Note that the number after inacl# increments for each line of the access-list.

}
}

}

Configuración del servidor - Cisco Secure ACS para Windows 2.x - RADIUS

Complete estos pasos:

  1. En Configuración de usuario, introduzca el nombre y la contraseña.

  2. En Group Settings (Parámetros de grupo), marque:

    • Atributo 6 - Enmarcado

    • Atributo 7 - PPP

  3. En Atributos RADIUS de Cisco, marque [009\001] AV-Pair y escriba el texto siguiente en el cuadro debajo: 

    ip:route#1=9.9.9.9 255.255.255.255 11.11.11.12
ip:route#2=15.15.15.15 255.255.255.255 12.12.12.13
ip:route#3=15.15.15.16 255.255.255.255 12.12.12.13
ip:inacl#1=permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255
ip:inacl#2=permit tcp 1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255

!--- The access-list to be applied is specified. !--- Note that the number after inacl# increments for !--- each line of the access-list.

Configuración del servidor - Merit RADIUS

Nota: Esta configuración es válida para Merit RADIUS versión 3.6b o versiones posteriores que soportan Cisco av-pares. 

chaprtr Password = "chaprtr",
Service-Type = Framed,
Framed-Protocol = PPP,
Framed-IP-Address = 255.255.255.254
Cisco:Avpair="ip:route#1=9.9.9.9 255.255.255.255 11.11.11.12"
Cisco:Avpair="ip:route#2=15.15.15.15 255.255.255.255 12.12.12.13"
Cisco:Avpair="ip:route#3=15.15.15.16 255.255.255.255 12.12.12.13"
Cisco:Avpair="ip:inacl#1=permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255" 
Cisco:Avpair="ip:inacl#2=permit tcp 1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255"

!--- The access-list to be applied is specified. ! --- Note that the number after inacl# increments for each line of the access-list.

Depuración del router de ejemplo

La configuración del usuario RADIUS para la depuración a continuación fue: 

RADIUS user password = "radiususer",
Service-Type = Framed,
Framed-Protocol = PPP,
Framed-IP-Address = 255.255.255.254
cisco-avpair = "ip:route#1=9.9.9.0 255.255.255.0 11.11.11.12"
cisco-avpair = "ip:route#2=15.15.15.0 255.255.255.0 12.12.12.13"
cisco-avpair = "ip:inacl#1=permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log"
cisco-avpair = "ip:inacl#2=permit tcp 1.1.1.0 0.0.0.255 15.15.15 .0 0.0.0.255 log"

koala#

koala#
4d05h: As1 AAA/AUTHOR/FSM: (0): LCP succeeds trivially
4d05h: %LINK-3-UPDOWN: Interface Async1, changed state to up
4d05h: AAA: parse name=Async1 idb type=10 tty=1
4d05h: AAA: name=Async1 flags=0x11 type=4 shelf=0 slot=0 
    adapter=0 port=1 channel=0
4d05h: AAA/MEMORY: create_user (0x552AB4) user='radiususer' 
    ruser='' port='Async1' rem_addr='async' authen_type=CHAP 
    service=PPP priv=1
4d05h: AAA/AUTHEN/START (624846144): port='Async1' list='' 
    action=LOGIN service=PPP
4d05h: AAA/AUTHEN/START (624846144): using "default" list
4d05h: AAA/AUTHEN (624846144): status = UNKNOWN
4d05h: AAA/AUTHEN/START (624846144): Method=radius (radius)
4d05h: RADIUS: ustruct sharecount=1
4d05h: RADIUS: Initial Transmit Async1 id 9 172.18.124.111:1645, 
    Access-Request, len 81
4d05h: Attribute 4 6 0A1F0105
4d05h: Attribute 5 6 00000001
4d05h: Attribute 61 6 00000000
4d05h: Attribute 1 12 72616469
4d05h: Attribute 3 19 1672E16F
4d05h: Attribute 6 6 00000002
4d05h: Attribute 7 6 00000001
4d05h: RADIUS: Received from id 9 172.18.124.111:1645, 
    Access-Accept, len 287
4d05h: Attribute 6 6 00000002
4d05h: Attribute 7 6 00000001
4d05h: Attribute 8 6 FFFFFFFE
4d05h: Attribute 26 52 00000009012E6970
4d05h: Attribute 26 55 0000000901316970
4d05h: Attribute 26 70 0000000901406970
4d05h: Attribute 26 72 0000000901426970
4d05h: AAA/AUTHEN (624846144): status = PASS
4d05h: As1 AAA/AUTHOR/LCP: Authorize LCP
4d05h: As1 AAA/AUTHOR/LCP (3679631149): Port='Async1' list='' 
    service=NET
4d05h: AAA/AUTHOR/LCP: As1 (3679631149) user='radiususer'
4d05h: As1 AAA/AUTHOR/LCP (3679631149): send AV service=ppp
4d05h: As1 AAA/AUTHOR/LCP (3679631149): send AV protocol=lcp
4d05h: As1 AAA/AUTHOR/LCP (3679631149): found list "default"
4d05h: As1 AAA/AUTHOR/LCP (3679631149): Method=radius (radius)
4d05h: RADIUS: cisco AVPair "ip:route#1=9.9.9.0 255.255.255.0 
    11.11.11.12" not applied for lcp
4d05h: RADIUS: cisco AVPair "ip:route#2=15.15.15.0 255.255.255.0 
    12.12.12.13" not applied for lcp
4d05h: RADIUS: cisco AVPair "ip:inacl#1=permit icmp 1.1.1.0 0.0.0.255 
    9.9.9.0 0.0.0.255 log" not applied for lcp
4d05h: RADIUS: cisco AVPair "ip:inacl#2=permit tcp 1.1.1.0 0.0.0.255 
    15.15.15.0 0.0.0.255 log" not applied for lcp
4d05h: As1 AAA/AUTHOR (3679631149): Post authorization 
    status = PASS_REPL
4d05h: As1 AAA/AUTHOR/LCP: Processing AV service=ppp
4d05h: As1 AAA/AUTHOR/FSM: (0): Can we start IPCP?
4d05h: As1 AAA/AUTHOR/FSM (231623628): Port='Async1' list='' 
    service=NET
4d05h: AAA/AUTHOR/FSM: As1 (231623628) user='radiususer'
4d05h: As1 AAA/AUTHOR/FSM (231623628): send AV service=ppp
4d05h: As1 AAA/AUTHOR/FSM (231623628): send AV protocol=ip
4d05h: As1 AAA/AUTHOR/FSM (231623628): found list "default"
4d05h: As1 AAA/AUTHOR/FSM (231623628): Method=radius (radius)
4d05h: RADIUS: Using NAS default peer
4d05h: RADIUS: Authorize IP address 0.0.0.0
4d05h: RADIUS: cisco AVPair "ip:route#1=9.9.9.0 255.255.255.0 
    11.11.11.12"
4d05h: RADIUS: cisco AVPair "ip:route#2=15.15.15.0 255.255.255.0 
    12.12.12.13"
4d05h: RADIUS: cisco AVPair "ip:inacl#1=permit icmp 1.1.1.0 0.0.0.255 
    9.9.9.0 0.0.0.255 log"
4d05h: RADIUS: cisco AVPair "ip:inacl#2=permit tcp 1.1.1.0 0.0.0.255 
    15.15.15.0 0.0.0.255 log"

!--- The access list is sent down from the RADIUS server.

4d05h: As1 AAA/AUTHOR (231623628): Post authorization 
    status = PASS_REPL
4d05h: As1 AAA/AUTHOR/FSM: We can start IPCP
4d05h: As1 AAA/AUTHOR/IPCP: Start. Her address 0.0.0.0, 
    we want 0.0.0.0
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV service=ppp
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV addr=0.0.0.0
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV route#1=9.9.9.0 
    255.255.255.0 11.11.11.12
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV route#2=15.15.15.0 
    255.255.255.0 12.12.12.13
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV inacl#1=permit icmp 
    1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV inacl#2=permit tcp 
    1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255 log
4d05h: As1 AAA/AUTHOR/IPCP: Authorization succeeded
4d05h: As1 AAA/AUTHOR/IPCP: Done. Her address 0.0.0.0, 
    we want 0.0.0.0
4d05h: As1 AAA/AUTHOR/IPCP: Start. Her address 0.0.0.0, 
    we want 1.1.1.3
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV service=ppp
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV addr=0.0.0.0
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV route#1=9.9.9.0 
    255.255.255.0 11.11.11.12
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV route#2=15.15.15.0 
    255.255.255.0 12.12.12.13
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV inacl#1=permit icmp 
    1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV inacl#2=permit tcp 
    1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255 log
4d05h: As1 AAA/AUTHOR/IPCP: Authorization succeeded
4d05h: As1 AAA/AUTHOR/IPCP: Done. Her address 0.0.0.0, 
    we want 1.1.1.3
4d05h: As1 AAA/AUTHOR/IPCP: Start. Her address 1.1.1.3, 
    we want 1.1.1.3
4d05h: As1 AAA/AUTHOR/IPCP (2383669304): Port='Async1' 
    list='' service=NET
4d05h: AAA/AUTHOR/IPCP: As1 (2383669304) user='radiususer'
4d05h: As1 AAA/AUTHOR/IPCP (2383669304): send AV service=ppp
4d05h: As1 AAA/AUTHOR/IPCP (2383669304): send AV protocol=ip
4d05h: As1 AAA/AUTHOR/IPCP (2383669304): send AV addr*1.1.1.3
4d05h: As1 AAA/AUTHOR/IPCP (2383669304): found list "default"
4d05h: As1 AAA/AUTHOR/IPCP (2383669304): Method=radius (radius)
4d05h: RADIUS: Using NAS default peer
4d05h: RADIUS: Authorize IP address 1.1.1.3
4d05h: RADIUS: cisco AVPair "ip:route#1=9.9.9.0 
    255.255.255.0 11.11.11.12"
4d05h: RADIUS: cisco AVPair "ip:route#2=15.15.15.0 
    255.255.255.0 12.12.12.13"
4d05h: RADIUS: cisco AVPair "ip:inacl#1=permit icmp 
    1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log"
4d05h: RADIUS: cisco AVPair "ip:inacl#2=permit tcp 
    1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255 log"
4d05h: As1 AAA/AUTHOR (2383669304): Post authorization 
    status = PASS_REPL
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV service=ppp
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV addr=1.1.1.3
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV route#1=9.9.9.0 
    255.255.255.0 11.11.11.12
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV route#2=15.15.15.0 
    255.255.255.0 12.12.12.13
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV inacl#1=permit icmp 
    1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log
4d05h: As1 AAA/AUTHOR/IPCP: Processing AV inacl#2=permit tcp 
    1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255 log

!--- Access list from the RADIUS server is applied. 

4d05h: As1 AAA/AUTHOR/IPCP: Authorization succeeded
4d05h: As1 AAA/AUTHOR/IPCP: Done. Her address 1.1.1.3, 
    we want 1.1.1.3
4d05h: As1 AAA/AUTHOR/PER-USER: Event IP_UP
4d05h: As1 AAA/AUTHOR: IP_UP
4d05h: As1 AAA/PER-USER: processing author params.
4d05h: As1 AAA/AUTHOR: Parse 'IP route 9.9.9.0 
    255.255.255.0 11.11.11.12'
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: enqueue peruser IP txt=no IP route 
    9.9.9.0 255.255.255.0 11.11.11.12


4d05h: As1 AAA/AUTHOR: Parse 'IP route 15.15.15.0 
    255.255.255.0 12.12.12.13'
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: enqueue peruser IP txt=no IP route 
    15.15.15.0 255.255.255.0 12.12.12.13


4d05h: As1 AAA/AUTHOR: Parse 'ip access-list extended Async1#0'
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: Parse 'permit icmp 1.1.1.0 
    0.0.0.255 9.9.9.0 0.0.0.255 log'
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: Parse 'permit tcp 1.1.1.0 
    0.0.0.255 15.15.15.0 0.0.0.255 log'
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: enqueue peruser IP txt=no 
    ip access-list extended Async1#0

4d05h: As1 AAA/AUTHOR: Parse 'interface Async1'
4d05h: %LINEPROTO-5-UPDOWN: Line protocol on Interface 
    Async1, changed state to up
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: Parse 'IP access-group Async1#0 in'
4d05h: As1 AAA/AUTHOR: Parse returned ok (0)
4d05h: As1 AAA/AUTHOR: enqueue peruser IP txt=interface Async1
no IP access-group Async1#0 in

koala#show ip access-list
Extended IP access list 101
permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log (5 matches)
permit tcp 1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255 log (11 matches)
Extended IP access list Async1#0 (per-user)
permit icmp 1.1.1.0 0.0.0.255 9.9.9.0 0.0.0.255 log
permit tcp 1.1.1.0 0.0.0.255 15.15.15.0 0.0.0.255 log

!--- Verify that the access list is applied to the AS1 dial interface.


koala#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area 
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route

Gateway of last resort is 10.31.1.1 to network 0.0.0.0

1.0.0.0/32 is subnetted, 1 subnets
C 1.1.1.3 is directly connected, Async1
172.17.0.0/24 is subnetted, 1 subnets
S 172.17.192.0 [1/0] via 10.31.1.1
172.18.0.0/24 is subnetted, 2 subnets
S 172.18.124.0 [1/0] via 10.31.1.1
S 172.18.125.0 [1/0] via 10.31.1.1
9.0.0.0/24 is subnetted, 1 subnets
U 9.9.9.0 [1/0] via 11.11.11.12

!--- The static user route specified by the RADIUS server is applied.

10.0.0.0/24 is subnetted, 1 subnets
C 10.31.1.0 is directly connected, Ethernet0
11.0.0.0/24 is subnetted, 1 subnets
C 11.11.11.0 is directly connected, Serial0
12.0.0.0/24 is subnetted, 1 subnets
C 12.12.12.0 is directly connected, Serial1
15.0.0.0/24 is subnetted, 1 subnets
U 15.15.15.0 [1/0] via 12.12.12.13

!--- The static user route specified by the RADIUS server is applied.

S* 0.0.0.0/0 [1/0] via 10.31.1.1

Comandos de Debug

  • debug aaa authentication - Muestra información sobre la autenticación AAA.

  • debug aaa authorization - Muestra información sobre la autorización AAA.

  • debug aaa per-user - Muestra información sobre la configuración por usuario en el router o el servidor de acceso que se envían desde un servidor AAA.

  • debug radius - Muestra información detallada de depuración asociada con RADIUS.

  • debug ppp negotiation - Muestra los paquetes PPP transmitidos durante el inicio PPP, donde se negocian las opciones PPP.

Para obtener información sobre la resolución de problemas, vea Solución de problemas de listas de acceso en interfaces de marcación.

Información Relacionada

Historial de revisiones

Revisión Fecha de publicación Comentarios
1.0
24-Sep-2018
Versión inicial

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