[Ietf-62] IETF-62 status

Carsten Bormann <cabo@tzi.org> Tue, 08 March 2005 18:00 UTC

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From: Carsten Bormann <cabo@tzi.org>
Date: Tue, 8 Mar 2005 09:15:41 -0600
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Subject: [Ietf-62] IETF-62 status
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thanks for running the network here.

After the early AP crashes, the scenario I'm now seeing is that I'm 
generally attached (WLAN/L2) all the time, but, for periods ranging 
from several minutes to half an hour or so, unicast packets don't seem 
to reach me (my debugging methods are a bit limited right now, though, 
so it also might be my unicast packets not going out).

If you want to ping me/trace my MAC:

         inet netmask 0xfffff800 broadcast
         ether 00:0a:95:f5:19:d4

While I was writing this, the net did not work for me.
Still, tcpdump shows that I can ARP other hosts nicely:

21:17:55.736287 arp who-has tell
21:17:55.748883 arp reply is-at 00:11:92:52:4b:45
21:17:55.748931 IP > icmp 64: echo 
request seq 0

(I don't see the replies right now.)

By the time you receive this, of course the network is working again :-)

The whole thing reminds me of confused switches that can't handle the 
same MAC address occurring in quick sequence on several ports.
I've seen this before...
Of course, this is a shot in the dark.

Gruesse, Carsten

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