[Xen-bugs] [Bug 596] ARP cache problems / slow connect times in routed mode

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=596





------- Additional Comments From matta@xxxxxxxxxxxx  2006-03-31 20:42 -------
Proof the delay is in the ARP request (some hostnames hidden upon user request):

03:09:32.968703 IP florida.websitepulse.net.53152 >
hostname_hidden.http: S
2071827912:2071827912(0) win 5840 <mss 1460,sackOK,timestamp 1965673307
0,nop,w
scale 2>
03:09:32.969091 IP hostname_hidden.32769 > noc.tektonic.net.domain:
64077+
PTR? 64.129.234.207.in-addr.arpa. (45)
03:09:32.970118 IP 207.210.101.1 > hostname_hidden: icmp 81: redirect
noc.t
ektonic.net to host noc.tektonic.net
03:09:32.970645 IP noc.tektonic.net.domain > hostname_hidden.32769:
64077
1/0/0 (83)
03:09:32.973772 arp who-has florida.websitepulse.net tell hostname_hidden
03:09:33.413087 arp reply florida.websitepulse.net is-at fe:ff:ff:ff:ff:ff
03:09:33.413111 IP hostname_hidden.http >
florida.websitepulse.net.53152: S
214085155:214085155(0) ack 2071827913 win 5792 <mss 1460,sackOK,timestamp
65610
3 1965673307,nop,wscale 2>

Users comment:

The delay is in between my vps's arp request and the arp reply -- and
if they all get maped to fe:ff:ff:ff:ff:ff, why does there even need
to be any request for it at all, shouldn't there be permanent entry --
I'm new to xen, so don't know much about this part of it.

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