Re: arp table - same mac address shows two ip addresses

On 10/21/2018 04:24 PM, [email protected] wrote:
> ... And as usual, while researching this, I found settings that might be
> even more relevant to your situation:
> 
> ...linux/Documentation/networking/ip-sysctl.txt:

There's LOTS of good information in that file.

> - arp_announce
> - arp_ignore

I am fond of arp_filter (1) and rp_filter (1).

It makes a host behave more like a strong end system (RFC 1122).

> which may be more useful for keeping each host's neighbor table "clean"
> of foreign addresses, and is probably safer than disabling ICMP redirects.

Agreed.

> Cheers, and apologies for replying to my reply.

Apology returned to sender as it was unnecessary.  ;-)



-- 
Grant. . . .
unix || die