The MPLS-OPS Archive

["David Carver" <david_a_carver@hotmail.com>]

Thanks!  It worked.

I changed the l2circuit to be between loopback interfaces and it all works 
now.

(Regarding the IP addresses - that is another oops... ;)  - Thanks!)

David


>From: "Amos Rosenboim" <r.amos@zahav.net.il>
>To: "David Carver" <david_a_carver@hotmail.com>
>Subject: RE: [MPLS-OPS]: L2Circuit - Cisco Juniper Interoperability
>Date: Tue, 28 Sep 2004 00:03:57 +0200
>
>Couple of comments that I cannot say for sure that are relevant
>specifically to this problem but they might are:
>Why is the l2circuit configuration not between loopback interfaces ip
>addresses? It's a good practice to initiate such sessions (ldp sessions
>actually) from a loopback.
>
>Second issue - according to the configs you sent the routers are on the
>same ethernet segments but are configured with different subnetmasks -
>/16 for the juniper and a /24 for the cisco. This has probably nothing
>to do with the problem but anyway it's not so good.
>
>Amos
>
>
>-----Original Message-----
>From: David Carver [mailto:david_a_carver@hotmail.com]
>Sent: Monday, September 27, 2004 11:57 PM
>To: Amos Rosenboim; mpls-ops@mplsrc.com
>Subject: RE: [MPLS-OPS]: L2Circuit - Cisco Juniper Interoperability
>
>
>OOPS!
>
>Here is the l2circuit config from the Juniper:
>
>l2circuit {
>     neighbor 166.164.4.17 {
>         interface ge-0/2/0.5 {
>             virtual-circuit-id 55;
>         }
>     }
>}
>
>Thanks,
>David
>
> >From: "Amos Rosenboim" <r.amos@zahav.net.il>
> >To: "David Carver" <david_a_carver@hotmail.com>,<mpls-ops@mplsrc.com>
> >Subject: RE: [MPLS-OPS]: L2Circuit - Cisco Juniper Interoperability
> >Date: Mon, 27 Sep 2004 23:51:06 +0200
> >
> >Hi,
> >
> >First you didn't enclose any l2circuit configuration from the juniper
> >side.
> >From looking at the cisco show command outputs you can clearly see that
> >the direct ldp session between the routers is down.
> >Try and debug ldp adjacency on either side.
> >Since I didn't see the l2circuit config for the juniper I could not
>tell
> >weather it's configured ok. The cisco config looks just fine.
> >
> >Hope this helps somewhat.
> >
> >Amos
> >
> >
> >-----Original Message-----
> >From: David Carver [mailto:david_a_carver@hotmail.com]
> >Sent: Monday, September 27, 2004 11:08 PM
> >To: mpls-ops@mplsrc.com
> >Subject: [MPLS-OPS]: L2Circuit - Cisco Juniper Interoperability
> >
> >Hello All,
> >
> >Would really appreciate any help on this...
> >
> >I am trying to conifgure a l2circuit between Juniper and Cisco with no
> >luck.
> >   I get the following output:
> >
> >Juniper:
> >Layer-2 Circuit Connections:
> >
> >Legend for connection status (St)
> >EI -- encapsulation invalid      NP -- interface h/w not present
> >MM -- mtu mismatch               Dn -- down
> >EM -- encapsulation mismatch     VC-Dn -- Virtual circuit Down
> >CM -- control-word mismatch      Up -- operational
> >VM -- vlan id mismatch           CF -- Call admission control failure
> >OL -- no outgoing label          XX -- unknown
> >NC -- intf encaps not CCC/TCC
> >CB -- rcvd cell-bundle size bad
> >
> >Legend for interface status
> >Up -- operational
> >Dn -- down
> >
> >Neighbor: 166.164.4.17
> >     Interface                 Type  St     Time last up          # Up
> >trans
> >     ge-0/2/0.5(vc 55)         rmt   OL
> >
> >Cisco:
> >PE.JFK#show mpls l2transport vc 55 detail
> >Local interface: Fa0/1/0.5 up, line protocol up, Eth VLAN 555 up
> >   Destination address: 166.164.4.16, VC ID: 55, VC status: down
> >     Preferred path: Tunnel1,  entry had no valid path
> >     Default path: disabled
> >     Output interface: unknown, imposed label stack {}
> >   Create time: 00:25:42, last status change time: 00:25:42
> >   Signaling protocol: LDP, peer 166.164.4.16:0 down
> >     MPLS VC labels: local 17, remote unassigned
> >     Group ID: local 2, remote unknown
> >     MTU: local 1500, remote unknown
> >     Remote interface description:
> >   Sequencing: receive disabled, send disabled
> >   Sequence number: receive 0, send 0
> >   VC statistics:
> >     packet totals: receive 0, send 0
> >     byte totals:   receive 0, send 0
> >     packet drops:  receive 0, seq error 0, send 0
> >
> >
> >
> >My configuration is as follows:
> >
> >Juniper:
> >interfaces {
> >     ge-0/2/0 {
> >         vlan-tagging;
> >         encapsulation vlan-ccc;
> >         unit 0 {
> >             vlan-id 3;
> >             family inet;
> >             family iso;
> >             family mpls;
> >         }
> >         unit 5 {
> >             encapsulation vlan-ccc;
> >             vlan-id 555;
> >         }
> >     }
> >     fe-0/1/2 {
> >         unit 0 {
> >             enable;
> >             family inet {
> >                 address 166.164.4.16/16;
> >             }
> >             family iso;
> >             family mpls;
> >}
> >protocols {
> >     ldp {
> >         interface all;
> >     }
> >}
> >
> >Cisco:
> >ip cef
> >mpls label protocol ldp
> >mpls traffic-eng tunnels
> >pseudowire-class aaa
> >encapsulation mpls
> >preferred-path interface Tunnel1 disable-fallback
> >!
> >interface FastEthernet0/0/0
> >ip address 166.164.4.17 255.255.255.0
> >no ip directed-broadcast
> >ip router isis
> >media-type MII
> >full-duplex
> >mpls label protocol ldp
> >mpls traffic-eng tunnels
> >tag-switching ip
> >!
> >interface FastEthernet0/1/0
> >ip address 10.10.10.28 255.255.255.0
> >no ip directed-broadcast
> >media-type MII
> >mpls label protocol ldp
> >tag-switching ip
> >no clns route-cache
> >!
> >interface FastEthernet0/1/0.5
> >encapsulation dot1Q 555
> >no ip directed-broadcast
> >xconnect 166.164.4.16 55 pw-class aaa
> >!
> >
> >I do have two tunnels going from the Cisco to the Juniper and
>vice-versa
> >
> >(destination of each tunnel is the ip address on the loopback).
> >
> >Any clues???
> >
> >Thanks,
> >David
> >
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