Date: Sun, 17 Dec 2006 23:46:24 +0300 From: "Andrew Pantyukhin" <infofarmer@FreeBSD.org> To: current@freebsd.org Cc: David Xu <davidxu@freebsd.org> Subject: vge(4) bad checksum Message-ID: <cb5206420612171246q54ac783h1fd9d420b80ba84c@mail.gmail.com>
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I'm not sure what it's all about, but with today's
current whatever goes out my vge interface (icmp/
tcp/udp) has bad checksum:
23:35:59.786960 IP (tos 0x0, ttl 64, id 2287, offset 0, flags [none],
proto: UDP (17), length: 66, bad cksum 0 (->ce25)!)
192.168.17.69.55929 > 192.168.17.1.161: [bad udp cksum 944b!] {
SNMPv2c C=asdf { GetNextRequest(25) R=431960954 .1.3.6.1.2.1 } }
23:36:11.866766 IP (tos 0x0, ttl 64, id 2300, offset 0, flags [none],
proto: ICMP (1), length: 84, bad cksum 0 (->ce16)!) 192.168.17.69 >
192.168.17.1: ICMP echo request, id 39684, seq 1, length 64
23:36:58.918191 IP (tos 0x10, ttl 64, id 2327, offset 0, flags [DF],
proto: TCP (6), length: 52, bad cksum 0 (->8e06)!) 192.168.17.69.53243
> 192.168.17.1.41319: ., cksum 0xa3bd (incorrect (-> 0x6f3b),
512:512(0) ack 513 win 33304 <nop,nop,timestamp 1875024 2446611395>
I switched from ipsec(4) to fast_ipsec(4). My last
kernel is from December 10 and everything seems to
be ok. More testing pending...
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