Hoping that someone here is going to help me. I have a very simple topology, please see the diagram attached. I have LDP running and currently have pseudowire configured (on diagram marked as Pseudowire1) and no problems with it. So, now I have backup link between PE2 and P routers and want to set up RSVP TE tunnel between my PE's and map specific pseudowire to configured TE tunnel (on diagram marked as Pseudowire2). So, in the end i want my Pseudowire1 traffic over main link and Pseudowire2 traffic over backup link. So far I am able to setup bidirectional tunnels between PE routers but I am not sure how to direct the traffic over tunnel . I was able to find this document http://www.cisco.com/c/en/us/td/docs/ios/12_2sr/12_2sra/feature/guide/srtunsel.html but it for 7600 platform. Also I found out that it is possible to forward traffic by configuring one of these methods: Static Routing, Policy-Based Routing, Autoroute Announce, Forwarding Adjacency and Class-Based Forwarding. I have Cisco 2921 router as PE’s and wondering what will be the best way of Forwarding Traffic onto MPLS TE Tunnel.
Please see the related config of my PE2 router:
ip explicit-path name Via_Backup_Link enable next-address 10.1.1.1
So as far as I understand if I configure tunnel mpls traffic-eng autoroute announce it will make all pseudowires use TE tunnel which has destination 220.127.116.11. In my case both pseudowires has the same destination. My goal is to have Pseudiwire1 to be forwarded via main link (LDP) and Pseudowire2 via backup link (TE Tunnel).
If I understood the requirement, you need to have 1 PW traffic over LDP based LSP while the other PW to same destination 18.104.22.168 over TE tunnel.
You can remove the "autoroute announce" from the tunnel. This way, all pseudowire traffic will follow the LDP based LSP. Now include "preferred-path" under respective pseudowire with TE tunnel as preferred path.
Thanks for reply. Yes that is correct. I want my 1 PW traffic over LDP based LSP while the other PW to same destination 22.214.171.124 over TE tunnel. Please note that I have Cisco 2921 router as PE and it seems that it does not support "preferred-path interface" feature.
Please see the output from my router:
PE2(config)#pseudowire-class test1 PE2(config-pw-class)#encapsulation mpls PE2(config-pw-class)#? Pseudowire-class configuration commands: default Set a command to its defaults encapsulation Data encapsulation method exit Exit from Pseudowire-class configuration mode interworking Interworking options for pseudowire no Negate a command or set its defaults protocol Signaling protocol to use status Enable pseudowire status extensions in label advertisement and label notification messages. This is not advised unless your peer router also supports this functionality as it may lead to premature enabling of the dataplane on that peer.
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