[lug] Arp bug in 2.4.20-30 kernels?

[Nate Duehr]

Scott Herod wrote:

>I'm stumped and beginning to wonder if the switch (which may have just 
>been replaced) is doing the proxy arp for me despite the fact that the 
>IP address was switched by the Linux HA code.
>  
>

If you're suspecting the switch, and it's a Cisco, keep an eye out for 
the newer "port security" features turned on.

There's all sorts of interesting possibilities there, depending on the 
switch and how smart it is (or is trying to be).

Nate