Unremovable ARP entry and 'address already in use'

[Paul S.]

Guess was right on the money, thank you!

It turns out that there was a route for that entire /23 on another 
interface for some unfathomable reason.

I had to turn that iface down too to remove it, but once I did so, 
everything is once again peachy!

Thank you!

On 3/20/2015 午前 12:58, Eric van Gyzen wrote:
>> On 3/19/2015 午前 11:20, Paul S. wrote:
>>> root at ipfw-0:~ # arp -d 110.62..211.87
>>> arp: writing to routing socket: Invalid argument
> I have a vague memory of similar behavior when I had a misconfigured
> route.  I think there was a route for a local interface address with an
> off-box gateway.  (Don't ask.  Long story.  Not my fault!  :) )
>
> Eric
>