Messages in this thread |  | | Date | Thu, 20 Sep 2001 22:19:04 +0000 (GMT) | From | Julian Anastasov <> | Subject | Re: [PATCH] strict interface arp patch for Linux 2.4.2 |
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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
-- Julian Anastasov <ja@ssi.bg>
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