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

  • From: Panos Kolyvas <panos@noc.uoa.gr>
  • Date: Mon, 22 Jul 2002 18:10:36 +0300 (EET DST)
  • Cc: Panos Kolyvas <panos@noc.uoa.gr>, Panos Kolyvas <panos@noc.uoa.gr>, mpls-ops@mplsrc.com
  • Resent-Date: Mon, 22 Jul 2002 12:56:52 -0400
  • To: Christopher Lewis <chrlewis@cisco.com>
  • User-Agent: IMP/PHP IMAP webmail program 2.2.4
  • X-Originating-IP: 62.103.232.175


Christopher,

Thank you very much. This config helps a lot. It seems that my configuration 
is almost the same to the one you sent me.

I will have to check it in detail,

I will get back to the list when i have news about it,

Panos Kolyvas
Network Operations Center
University of Athens
Greece.

> 
> 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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