RE: [Xen-users] xen bridged network config woes [repost w/apology]

["Ali Roze" <xen@xxxxxxxxxxxxxxxxxxxxx>]

Thank you Curtis-I've forwarded your email to them and I'm waiting for a
reply.

That said, while Googling, I found another interesting tcpdump
incantation that I tried, and I'd appreciate some insight into what its
output means:

root@dom0:~# tcpdump -nvvi vif2.0
tcpdump: WARNING: vif2.0: no IPv4 address assigned
tcpdump: listening on vif2.0, link-type EN10MB (Ethernet), capture size
96 bytes
21:01:36.829501 arp who-has 66.254.94.225 tell 66.254.94.227
21:01:37.215509 802.1d unknown version
21:01:37.829430 arp who-has 66.254.94.225 tell 66.254.94.227
21:01:39.230512 802.1d unknown version
21:01:39.619216 00:19:56:5a:e9:d5 > 01:00:0c:cc:cc:cc SNAP Unnumbered,
ui, Flags [Command], length 89
21:01:39.829420 arp who-has 66.254.94.225 tell 66.254.94.227
21:01:40.829443 arp who-has 66.254.94.225 tell 66.254.94.227
21:01:41.246962 802.1d unknown version
8 packets captured
16 packets received by filter
0 packets dropped by kernel
root@dom0:~# 

This raises three questions:

1. Do I care about that warning on the top, "vif2.0: no IPv4 address
assigned"?
2. What does "802.1d unknown version" mean?
3. What does the "SNAP unnumbered" message mean?

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