[c-nsp] C2950G sh arp

[Phil Mayers]

Shaun wrote:
> I dont think thats it, these addresses are not any of my assigned Networks, 
> in fact there are many random addresses from diffrent networks..  a `sh arp 
> | exc 204.10 | exc 204.15 | exc 208.67` displays 1500 lines, below is a snip 
> of the first few pages...
> 
> edge-138.12#sh arp | exc 204.10 | exc 204.15 | exc 208.67
> Protocol  Address          Age (min)  Hardware Addr   Type   Interface
> Internet  222.171.23.98         125   0012.dada.0f42  ARPA   Vlan2
> Internet  202.65.141.6          115   0012.dada.0f42  ARPA   Vlan2
> Internet  62.166.210.74          70   0012.dada.0f42  ARPA   Vlan2
> Internet  204.10.115.181        222   0012.dada.0f42  ARPA   Vlan2
> Internet  201.152.55.102        212   0012.dada.0f42  ARPA   Vlan2
> Internet  213.47.132.127        157   0012.dada.0f42  ARPA   Vlan2

As someone already mentioned, you have proxy arp enabled on the router 
(the default), and the wrong network mask on the 2950G.

0012.dada.0f42 is your 3750 / default gateway, isn't it?

Disable proxy arp on the 3750 interface, and be prepared to fix the 
broken clients with wrong netmasks.