Too much WAN traffic

Discussion in 'Cisco' started by Mark@circaUSA.com, May 18, 2005.

  1. Guest

    I do not know Cisco but have a basic understanding of networking. We
    are using several Cisco 1721 routers with frame-relay. Because of a
    legacy Vax, we are using BGP routing protocol instead of routing
    tables. Some of these routers seem to be generating too much WAN
    traffic. How would I check the router to see if local traffic that
    should remain local is getting out to the WAN? Are there any router
    settings to make sure local traffic stays local? Thanks!
     
    , May 18, 2005
    #1
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  2. aservin Guest

    I will check first the routing tables to see if any route leaking. You
    can use netflow in the FE (incoming) or ip accounting packets in the
    serial interface (outgoing), or both.

    Once checked, you could use ACL (Access List) to drop the unwanted
    traffic.

    -as

    wrote:
    > I do not know Cisco but have a basic understanding of networking. We
    > are using several Cisco 1721 routers with frame-relay. Because of a
    > legacy Vax, we are using BGP routing protocol instead of routing
    > tables. Some of these routers seem to be generating too much WAN
    > traffic. How would I check the router to see if local traffic that
    > should remain local is getting out to the WAN? Are there any router
    > settings to make sure local traffic stays local? Thanks!
     
    aservin, May 19, 2005
    #2
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