Each of your 4 serial interfaces has
ip route-cache applied to them?
Do both routers have the same IOS version?
Phil Barker <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi Group,
> This has been nagging at me for about a week now.
> I have 2 x 2500 routers connected via serial cables.
> S0 -> S0 and S1 -> S1. I have a PC connected to one
> router and my Laptop to the other.
>
> The fast-switching cache is enabled on the four serial
> interfaces and hence per/destination load balancing.
>
> However, per/dest load balancing is only taking place
> in the forward path to the PC. On the return path I
> can see per/packet i.e S0/S1/S0/S1 taking place.
>
> Why should this be ?
>
> PS : I can reproduce this effect by pinging from the
> Workstation to the Laptop also.
>
> using debug ip packet. and cleared serial counters to
> verify debug results.
>
> I wonder if it is something to do with Ping not using
> a transport. I'll just try an FTP to check.
>
> Regards,
>
> Phil.
>
>
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