18.01.2011 14:23, Axel Rau пишет:
Am 18.01.2011 um 11:00 schrieb Axel Rau:
The DB server returns its query results successfully until an
oversized message is being sent (with "DF" set), which the GW2 refuses
with an ICMP "unreachable - need to frag (mtu 1492)
I could convince the firewall to defragment the packet itself. (-;
This was a pf issue (I mixed up option "set reassemble" and filteropt
"fragment").
I'm still looking for an answer to question 1:
1. Shouldn't DB2 fragment and resend the packet?
Generally - yes.
Make sure DB2 got ICMP need-frag message and it not blocked.
Also, check sysctl variable 'net.inet.tcp.path_mtu_discovery'.
Hope this helps. :)
--
Sincerely yours,
Artyom Viklenko.
-------------------------------------------------------
ar...@aws-net.org.ua | http://www.aws-net.org.ua/~artem
ar...@viklenko.net | JID: ar...@jabber.aws-net.org.ua
FreeBSD: The Power to Serve - http://www.freebsd.org
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