[c-nsp] BGP load balancing with dCEF

Ihsan Junaidi Ibrahim ihsan.junaidi at gmail.com
Tue Oct 10 09:10:05 EDT 2006


Does per-destination imply per-destination prefix or per-flow load-balancing?

On 10/10/06, Rodney Dunn <rodunn at cisco.com> wrote:
> Have you got enough memory on your vips to run dCEF?
>
> You need at least 128 on all of them but we suggest 256M.
>
> The below shows you have all 4 paths installed.
>
> On Tue, Oct 10, 2006 at 08:33:18PM +0800, Ihsan Junaidi Ibrahim wrote:
> > Sorry, this is the correct information.
> >
> > rtr-2#sh ip cef 202.75.134.1 inte
> > 202.75.134.1/32, version 87642, per-destination sharing
> > 0 packets, 0 bytes
> >   Flow: AS 0, mask 32
> >   via 203.121.99.2, 4 dependencies, recursive
> >     traffic share 1
> >     next hop 203.121.99.2, Serial5/0/0:0 via 203.121.99.0/30
> >     valid adjacency
> >   via 203.121.99.6, 5 dependencies, recursive
> >     traffic share 1
> >     next hop 203.121.99.6, Serial5/0/1:0 via 203.121.99.4/30
> >     valid adjacency
> >   via 203.121.99.10, 5 dependencies, recursive
> >     traffic share 1
> >     next hop 203.121.99.10, Serial5/0/2:0 via 203.121.99.8/30
> >     valid adjacency
> >   via 203.121.99.14, 5 dependencies, recursive
> >     traffic share 1
> >     next hop 203.121.99.14, Serial5/0/3:0 via 203.121.99.12/30
> >     valid adjacency
> >
> >   0 packets, 0 bytes switched through the prefix
> >   tmstats: external 0 packets, 0 bytes
> >            internal 0 packets, 0 bytes
> >   Load distribution: 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 (refcount 20)
> >
> >   Hash  OK  Interface                 Address         Packets
> >   1     Y   Serial5/0/0:0             point2point           0
> >   2     Y   Serial5/0/1:0             point2point           0
> >   3     Y   Serial5/0/2:0             point2point           0
> >   4     Y   Serial5/0/3:0             point2point           0
> >   5     Y   Serial5/0/0:0             point2point           0
> >   6     Y   Serial5/0/1:0             point2point           0
> >   7     Y   Serial5/0/2:0             point2point           0
> >   8     Y   Serial5/0/3:0             point2point           0
> >   9     Y   Serial5/0/0:0             point2point           0
> >   10    Y   Serial5/0/1:0             point2point           0
> >   11    Y   Serial5/0/2:0             point2point           0
> >   12    Y   Serial5/0/3:0             point2point           0
> >   13    Y   Serial5/0/0:0             point2point           0
> >   14    Y   Serial5/0/1:0             point2point           0
> >   15    Y   Serial5/0/2:0             point2point           0
> >   16    Y   Serial5/0/3:0             point2point           0
> >
> > --
> > Thank you for your time,
> > Ihsan Junaidi Ibrahim
> > _______________________________________________
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>


-- 
Thank you for your time,
Ihsan Junaidi Ibrahim


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