Help Pls: Backup Routing Solution

Discussion in 'Cisco' started by fireice, Apr 5, 2007.

  1. fireice

    fireice

    Joined:
    Apr 5, 2007
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    Hi, I need some suggestions. Refer to diagram from link above, the routing setup in the routers are pretty much all default n static routes at the moment and all traffic for RAS users going to Intranet WAN is through the 4M link from Site B. I would like to setup a backup solution so that if 4M link goes down, R5 can route traffic towards Site A into the Intranet WAN.

    Here are the constraints:

    1. CE-A and CE-B (SP managed) both configured with default route out towards PE routers - can possibly get SP to run eBGP peering
    2. Without running any IGP on CE-A and CE-B(unsure if SP is willing to run IGP on CE routers as it is managed by them), is there any other possible solutions?
    3. Cannot advertise full 10.0.0.0/8 network into Local SP1 and SP2. Only /30 subnets allowed.
    4. Is SAA policy routing using ping the best option here? So if ping from R5 to 4M interface fails, route towards 2M interface?

    Many thanks in advance. Looking forward to someone giving me some good alternatives.
     
    fireice, Apr 5, 2007
    #1
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