[f-nsp] FESX ARP problem

[Andreas Larsen]

I think I have seen this on some older code of the FESX 424 we where running
below 4.0. What version are you running ?

// Andreas

On Fri, Apr 15, 2011 at 5:29 PM, Randy McAnally <rsm at fast-serv.com> wrote:

> I've been scratching my head all morning on some arp issues on an FESX
> (prem)
> that routes a handful of VE's.
>
> The scenario is that when an ARP entry expires, only certain source IPs (on
> the WAN side) can trigger an ARP request and subsequent re-entry into the
> ARP
> table.  There's no pattern for the source IP...just that some trigger ARP
> and
> others don't.
>
> So for example, Joe at 1.2.3.4 cannot reach his box, but as soon as Bob at
> pings the machine, Joe can reach his box again.
>
> Current table size fluctuates between 580 and 620 entries with a system-max
> of
> 4000 and there are no static entries.
>
> #sh arp | i entries
> Total number of ARP entries: 591
>
> #sh default values | i arp
> ip arp age:10 min          bootp relay max hops:4     ip ttl:64 hops
> ip-arp               4000       64000      4000
> ip-static-arp        512        1024       512
>
> Any ideas?
>
> ~Randy
>
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