sending pkt_too_big

From: Jef Peeraer (jef.peeraer_at_deadspam.com)
Date: 02/27/04 

Date: Fri, 27 Feb 2004 10:42:47 GMT

on one of my servers i noticed these messages :
sending pkt_too_big (len[1704] pmtu[1443]) to self
sending pkt_too_big (len[1704] pmtu[1443]) to self
sending pkt_too_big (len[5539] pmtu[1443]) to self
sending pkt_too_big (len[5539] pmtu[1443]) to self
sending pkt_too_big (len[5539] pmtu[1443]) to self
sending pkt_too_big (len[5539] pmtu[1443]) to self
sending pkt_too_big (len[5539] pmtu[1443]) to self
sending pkt_too_big (len[5587] pmtu[1443]) to self
sending pkt_too_big (len[5587] pmtu[1443]) to self
Also, the person behind that server couldn't send an email with an
attachement of 8K, it resulted in a timeout after DATA on the mail server.
# uname -a
Linux steenhouwer 2.4.20 #3 Sat Dec 13 02:02:22 CET 2003 i686 unknown
eth1: VIA VT6102 Rhine-II at 0xdffefd00, 00:0c:76:59:04:91, IRQ 10.
eth1: MII PHY found at address 1, status 0x786d advertising 05e1 Link 45e1.

Could the via rhine be the cause ? I didn't found very much on the net
about this problem. I know it has something to do with MTU and PMTU.

jef

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