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

  • From: Christopher Lewis <chrlewis@cisco.com>
  • Date: Mon, 22 Jul 2002 09:47:04 -0500
  • Cc: Panos Kolyvas <panos@noc.uoa.gr>, mpls-ops@mplsrc.com
  • Resent-Date: Mon, 22 Jul 2002 12:28:56 -0400
  • To: Panos Kolyvas <panos@noc.uoa.gr>
  • X-Sender: chrlewis@fargo.cisco.com

Hi,

The following config is taken from a working Cisco to ERX link. This should 
be opened as a TAC case for further investigation, probably both with Cisco 
and Unisphere.

!
interface POS3/0
description To ERX
ip address 30.0.2.1 255.255.255.0
no ip directed-broadcast
encapsulation ppp
mpls label protocol ldp
tag-switching ip
crc 32
clock source internal
!
interface GigabitEthernet4/0
ip address 30.0.1.2 255.255.255.0
no ip directed-broadcast
no keepalive
negotiation auto
mpls label protocol ldp
tag-switching ip
!
router ospf 1
log-adjacency-changes
network 30.0.1.0 0.0.0.255 area 0
network 30.0.2.0 0.0.0.255 area 0
network 100.0.1.1 0.0.0.0 area 0
!
ip classless
!
end

ERX(P) (erx_3-3-2p3-0.rel)
RX-00-12-d0#sho config virtual-router default
Please wait...
! Redstone Edge Switch Router RX1400
! Version: 3.3.2 patch-3.0 (February 5, 2002 16:24)
! Copyright (c) 1998-2002 Redstone Communications, Inc. All rights reserved.
!
! Configuration script generated on FRI MAR 01 2002 10:48:52 UTC
!
! NOTE: This script represents only a subset of the full system configuration.
!
virtual-router default
aaa authentication ppp default radius
aaa accounting ppp default radius
!
ip address-pool local
mpls
!
mpls topology-driven-lsp
!
mpls rsvp interface profile default
!
mpls ldp interface profile default
no cr-ldp
!
interface Null 0
interface Loopback 0
ip address 100.0.1.3 255.255.255.255
!
interface fastEthernet 6/0
ip address 192.168.2.151 255.255.255.0
!
interface atm 13/0
atm clock internal module
!
interface atm 13/0.1 point-to-point
atm pvc 1 10 100 aal5snap 0 0 0
mpls
mpls ldp profile default
ip address 30.0.4.1 255.255.255.0
ip mtu 4470
!
interface pos 13/1
clock source internal module
no pos scramble-atm
encapsulation ppp
ip address 30.0.3.1 255.255.255.0
!
interface pos 0/0
crc 32
no pos scramble-atm
encapsulation ppp
!
interface pos 5/0
crc 32
no pos scramble-atm
encapsulation ppp
ip address 30.0.2.2 255.255.255.0
mpls
mpls ldp profile default
!
ip route 0.0.0.0 0.0.0.0 192.168.2.25
ip route 172.19.48.0 255.255.255.0 192.168.2.25
ip router-id 100.0.1.3
!
router ospf 1
! Area 0.0.0.0
network 30.0.2.0 0.0.0.255 area 0.0.0.0
network 30.0.3.0 0.0.0.255 area 0.0.0.0
network 30.0.4.0 0.0.0.255 area 0.0.0.0
network 100.0.1.3 0.0.0.0 area 0.0.0.0
!
passive-interface FastEthernet6/0
!
RX-00-12-d0#



At 04:32 PM 7/19/2002, Panos Kolyvas wrote:
>Hi Christopher,
>
>thanks for your answer.
>
>The ERX is loaded with 3-2-3p10 release. In this release the system supports :
>
>1. DOD, ordered control
>2. Downstream Unsolicited DU, independent control.
>
>According to the manual, DOD is used if you implement a user-driven 
>network or
>a topology driven network and configure peer LSRs to use the interface label
>space. This is the ATM case where you can assign labels per interface.
>
>In DU, independent control is used if you implement a topology driven network
>and configure LSRs to use the platform label space (which is our Fast 
>Ethernet
>case).
>
>As i recall CISCO uses DU LDP for packet-based MPLS and DOD for ATM MPLS.
>
>So, with the new ERX software release i should not have a problem as DU is
>supported by the ERX for the Fast Ethernet interface. Propably a
>misconfiguration issue.
>
> >From your point of view is any problem with the CISCO configuration?
>
>Thank you,
>
>Panos Kolyvas
>Network Operations Center
>University of Athens
>Greece.
>
>
> > About 6 months ago, yes. using ERX 1400 and code release 3.05 there were
> > a
> > few limitations, you'd have to check with Unisphere to see if these
> > issues
> > still exist. In that release the ERX only supports Downstream on Demand
> > for
> > ethernet interfaces, whereas Cisco and Juniper use downstream
> > unsolicited
> > label distribution.
> >
> > If you move to an ATM interface, Cisco, Juniper and Unisphere support
> > downstream on demand and the Cisco/Unisphere combo should communicate.
> >
> > Chris
> >
> > At 09:44 AM 7/19/2002, Panos Kolyvas wrote:
> > >Hi to all,
> > >
> > >i sent this email half an hour ago to <mailto:mpls@UU.NET>mpls@UU.NET
> > and
> > >now i send it to this mailing list also.
> > >
> > >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>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
> > >
> > >
> > >
> >
>
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