arp refresh rate
tomaszd at paraklet.net
Mon Dec 18 13:20:09 GMT 2006
On 18 December 2006 (12:40:02), Gavin wrote:
> On Mon, 2006-12-18 at 13:47 +0200, Peter Kirk wrote:
>> Hi All
>> I have a bit of a problem. We have a 6.1 FreeBSD server with natting
>> and firewall rules for the servers behind it. This FreeBSD server has
>> an identical fail over server.
>> The other night we tested the fail over server. It worked find but
>> because the gateway before the fail over server had arp cache "the old
>> Mac-addresses" it took about 5 minutes before we could access the
>> servers behind the fail over server.
>> Is there anyway that you are able to set the arp cache refresh time?
> Several ways: Either use carp to manage the IP address and failover
> (which ensures that if failover occurs, the MAC address moves with the
> service), or after failover, send a gratuitous ARP packet or two to
> servers that are caching the result - look at the net/arping port for
first investigate why it is happening - next find solution...
maybe it is problem with router or something...
or maybe ethernet card is broken...
Nauczmy si=EA kocha=E6 ludzi, tak szybko odchod=B9. ks. Jan Twardowski
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