[c-nsp] Large number of arp entries on 2960G

[Ian Henderson]

On 03/10/2011, at 1:09 PM, John Elliot wrote:

> interface vlan11 - all entries appear to be "random" IP's, in that they are routes(IP's) learned from upstream bgp peering sessions and also some from our internal ospf...none of these bgp sessions or ospf are running in dot1q vlan11

Smells like one of the devices is doing Proxy ARP. This is usually bad, particularly if its trying to ARP for all hosts on the Internet - will drive up CPU and memory usage.