[c-nsp] load balancing EoMPLS on PE via multiple WAN links

[kostas anagnopoulos]

not sure if a solution without the "preferred-path" will work because a
pseudowire's destination address
must always be the ldp id which is unique per box.

Kostas
  -----Original Message-----
  From: Phil Bedard [mailto:philxor at gmail.com]
  Sent: Monday, June 05, 2006 4:45 PM
  To: kostas anagnopoulos
  Cc: cisco-nsp at puck.nether.net
  Subject: Re: [c-nsp] load balancing EoMPLS on PE via multiple WAN links


  I did look at the pseudowire classes and that preferred-path attribute did
not seem to exist on the 7600s we are running.   Could just be a software
revision issue.    Also we are currently are just using a LDP MPLS core and
no TE tunnels, although that doesn't mean we can't.    The other method that
looked perhaps simpler was to use two loopback addresses and just statically
route the destination address of the remote tunnel ends across each specific
OC3.   More elegant solution would be to use  FRF.16 or MLPPP with the two
OC3s, but the OSM cards on one end do not seem to support doing that.

  Phil



  On 6/5/06, kostas anagnopoulos <kostas.anagnopoulos at oteglobe.net> wrote:
    what about routing pseudowires over a separate te tunnel each following
a
    different route

    pseudo-class 1st-pseudowire
    preferred-path Tunnel0-over-1stOC3

    pseudo-class 2nd-pseudowire
    preferred path Tunnel1-over-2ndOC3

    regards
    Kostas

    -----Original Message-----
    From: cisco-nsp-bounces at puck.nether.net
    [mailto:cisco-nsp-bounces at puck.nether.net]On Behalf Of Phil Bedard
    Sent: Friday, June 02, 2006 9:50 PM
    To: cisco-nsp at puck.nether.net
    Subject: [c-nsp] load balancing EoMPLS on PE via multiple WAN links


    This is on 7600s with Sup720-3B/PFC-3B

    One side has an 8-port OC3 OSM, other side is FlexWAN with 2-port OC3
PA.

    We have a scenario where we have a PE router with GigE to customers who
do
    EoMPLS to another router.  We're adding a large-bandwidth customer and
the
    current single OC3 circuit is not enough to accomodate their bandwidth
so we
    want to add another OC3.     We've been told that the EoMPLS will not do
    per-destination load balancing across the two OC3s.  What might be the
best
    solution to this problem without going to an OC12 trunk?   Forcing
traffic
    for the large bandwidth customer across the new OC3?

    Thanks,

    Phil
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