gratuitous ARP from CARP backup host

Gleb Smirnoff glebius at FreeBSD.org
Mon Nov 21 11:17:23 GMT 2005


On Sun, Nov 20, 2005 at 01:04:40AM +0900, Kazuaki Oda wrote:
K> I reported a problem a few days ago that CARP backup host replies ARP
K> request.  This problem has been fixed, thanks.  But I found one more
K> problem.
K> 
K> 1) master host and backup host are connected to the same layer 3
K>    switch.
K> 
K> 2) at master host, I run the following command:
K>    # ifconfig carp2 create
K>    # ifconfig carp2 vhid 22 advskew 10 pass xxxx 192.168.1.7/24
K> 
K> 3) master host sends gratuitous ARP.
K> 
K> 4) at backup host, I run the following command:
K>    # ifconfig carp2 create
K>    # ifconfig carp2 vhid 22 advskew 100 pass xxxx 192.168.1.7/24
K> 
K> 5) backup host sends gratuitous ARP.
K>    And so, layer 3 switch sends packets addressed for 192.168.1.7 to
K>    the port connected to backup host, sigh...

Does it sends packets until next advertisement from master or forever?

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE


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