Hello,
On Thu, 20 Sep 2001, Allen Lau wrote:
> I want to bring your attention to a Linux ARP patch we plan to use for load balancing and server
> clustering. The available arp filter and hidden patch are not completely satisfactory. The following
Can you explain what setup can't be build using arp_filter,
hidden or rp_filter and particulary where "hidden" fails for clusters,
it is very interesting?
> To generalize, each real server may have multiple nic's of different types. The task becomes one of
> maintaining strict identity of each of the real and virtual ip addresses. The Linux ARP has the
> following behaviors which are problematic for maintaining strict interface identify.
>
> 1) box responds to arp on all interfaces on the same wire for an IP address (arp race)
rp_filter and arp_filter can help here but this "arp race" is not
an evil in some setups
Regards
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This archive was generated by hypermail 2b29 : Sun Sep 23 2001 - 21:00:39 EST