Subject: BASIC LDP between an ERX and a CISCO 3660 (Fast Ethernet)

From: "Panos Kolyvas" <[email-masked]>
Date: Fri, 19 Jul 2002 16:45:46 +0300

Hi to all,

has anybody tested a basic MPLS configuration (Label exchange with LDP) between a UNISPHERE ERX and a CISCO 3661 via Fast Ethernet interfaces?

Thanks in advance,

Panos Kolyvas

---------------------------------------------------------------------------------------------------------

The ERX has the following configuration:

ERX1#sh conf virtual-router PE-FE
! Unisphere Edge Routing Switch ERX-1400
! Version: 3.2.3 patch-10.2 (May 23, 2002  12:01)
! Copyright (c) 1999-2002 Unisphere Networks, Inc.  All rights reserved.
!
! Configuration script generated on FRI JUL 19 2002 16:35:19 UTC
!
! NOTE:  This script represents only a subset of the full system configuration.
!
virtual-router PE-FE
aaa authentication ppp default radius
aaa accounting ppp default radius
!
ip address-pool local
mpls
!
mpls topology-driven-lsp ip-profile "IP-PE-FE"
mpls topology-driven-lsp ip-interfaces egress host-only
mpls topology-driven-lsp ip-interfaces ingress host-only
!
mpls rsvp interface profile default
!
mpls ldp interface profile "PE-FE"
 hello hold-time 10
 no cr-ldp
!
mpls ldp interface profile default
!
interface null 0
interface loopback 0
 ip address 4.4.4.4 255.255.255.255
!
interface pos 4/0
 pos framing sdh
 clock source internal chassis
 no pos scramble-atm
 encapsulation ppp
!
interface atm 9/0
 atm sonet stm-1
 atm clock internal chassis
!
interface atm 9/1
 atm sonet stm-1
!
interface atm 9/2
 atm sonet stm-1
 atm clock internal chassis
 atm oam 6 end-loopback
 atm oam 6 seg-loopback
!
interface atm 9/3
 atm sonet stm-1
 atm clock internal chassis
!
interface fastEthernet 11/0
 ip address 30.30.30.1 255.255.255.0
 ip proxy-arp
 mpls
 mpls ldp profile "PE-FE"
!
interface fastEthernet 11/1
!
no ip source-route
router ospf 99
! Area 0.0.0.0
 network 4.4.4.4 0.0.0.0 area 0.0.0.0
 network 30.30.30.0 0.0.0.255 area 0.0.0.0
!

where IP-PE-FE is a profile in default virtual router:

profile "IP-PE-FE"
 ip unnumbered loopback 0

The CISCO router has the following configuration:

3662CE1#wr t
Building configuration...

Current configuration : 5893 bytes
!
! Last configuration change at 13:00:28 UTC Thu Jul 18 2002 by cisco
! NVRAM config last updated at 13:00:30 UTC Thu Jul 18 2002 by cisco
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname 3662CE1
!
boot system flash c3660-js-mz.122-8.T.bin
boot system flash c3660-js-mz.122-7.bin
boot system flash c3660-p-mz.122-5a.bin
boot system flash c3660-is-mz.121-5.T8
enable password cisco
!
username cisco password 0 cisco
ip subnet-zero
!
!
no ip domain-lookup
!
!
ip multicast-routing
ip cef
clns routing
mpls traffic-eng tunnels
isdn switch-type basic-net3
isdn voice-call-failure 0
!
!
interface Loopback2
 description Kolyvas-7275610-MPLS-me-ERX-2
 ip address 5.5.5.5 255.255.255.255
!
interface FastEthernet0/1
 ip address 30.30.30.2 255.255.255.0
 duplex auto
 speed auto
 mpls label protocol ldp
 tag-switching ip
!
interface FastEthernet0/1.1
 description **** Link me ton 7500 gia MPLS VPN ****
 bandwidth 10000000
!
router ospf 3
 router-id 3.3.3.3
 log-adjacency-changes
 network 3.3.3.3 0.0.0.0 area 0.0.0.0
 network 5.5.5.5 0.0.0.0 area 0.0.0.0
 network 30.30.30.0 0.0.0.255 area 0.0.0.0
!
3662CE1#

Some show commands follow:

3662CE1#  sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3660-JS-M), Version 12.2(8)T,  RELEASE SOFTWARE (fc2)
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Thu 14-Feb-02 11:03 by ccai
Image text-base: 0x60008940, data-base: 0x61880000

ROM: System Bootstrap, Version 12.0(6r)T, RELEASE SOFTWARE (fc1)
ROM: 3600 Software (C3660-IS-M), Version 12.1(5)T8,  RELEASE SOFTWARE (fc1)

3662CE1 uptime is 1 week, 3 days, 6 hours, 3 minutes
System returned to ROM by power-on
System restarted at 07:36:17 UTC Tue Jul 9 2002
System image file is "flash:c3660-js-mz.122-8.T.bin"

cisco 3660 (R527x) processor (revision 1.0) with 253952K/8192K bytes of memory.
Processor board ID JAB052281UL
R527x CPU at 225Mhz, Implementation 40, Rev 10.0, 2048KB L2 Cache
Channelized E1, Version 1.0.
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
Primary Rate ISDN software, Version 1.1.
Basic Rate ISDN software, Version 1.1.

3660 Chassis type: ENTERPRISE
2 FastEthernet/IEEE 802.3 interface(s)
2 Serial network interface(s)
2 ISDN Basic Rate interface(s)
2 Channelized E1/PRI port(s)
4 Voice TE BRI interface(s)
DRAM configuration is 64 bits wide with parity disabled.
125K bytes of non-volatile configuration memory.
65536K bytes of processor board System flash (Read/Write)

3662CE1#sh mpls ldp discovery
 Local LDP Identifier:
    192.168.3.49:0
    Discovery Sources:
    Interfaces:
        FastEthernet0/1 (ldp): xmit/recv
            LDP Id: 30.30.30.1:0
    
From this output it seems that the 3662 has transmitted and received LDP messages and also it has learned the LDP id of the ERX system.

The following show commands are from the Unisphere ERX:

ERX1:PE-FE#sh mpls forwarding
ERX1:PE-FE#sh mpls ip binding
ERX1:PE-FE#sh mpls interface
Interface fastEthernet11/0 Up
 RSVP not configured
 LDP enabled with profile PE-FE, CR-LDP disabled
 IP interfaces on this MPLS interface:
    30.30.30.1/24

 MPLS Statistics:
   Rcvd: 0 failed lbl lookup, 0 octets, 0 hcOctets
         0 pkts, 0 hcPkts, 0 errors, 0 discards
   Sent: 0 octets, 0 hcOctets, 0 pkts
         0 hcPkts, 0 errors, 0 discards