> >
> > 08:39:55.649689 IP 10.2.10.254.22 > 12.33.234.69.35026: .
> > 5906:10250(4344) ack 1
> > 794 win 674
> > 08:39:55.650532 IP 10.2.10.1 > 10.2.10.254: icmp 92: 12.33.234.69
> > unreachable - need to frag (mtu 1500)
>
> Where was this dump taken, on 10.2.10.254?
>
Yes. It appears that if
> I'm seeing a
> problem where the kernel attempts to send packets with a MSS
> larger than the one negotiated when the TCP connection is
> established. Even after ICMP "can't fragment" messages
> arrive, the kernel still attempts to increase the MSS rather
> aggressively. The end result is e
I had previously posted this message to linux-kernel, but David Miller
asked me to post here instead. Some replies to my message on l-k have
already been copied here. I'm seeing a problem where the kernel attempts
to send packets with a MSS larger than the one negotiated when the TCP
connection is
> > 08:39:55.493029 IP 12.33.234.69.35026 > 10.2.10.254.22: S
> > 2768979373:2768979373(
> > 0) win 5840
> > 08:39:55.493119 IP 10.2.10.254.22 > 12.33.234.69.35026: S
> > 963242385:963242385(0)
> > ack 2768979374 win 17896
> The MSS clamp for sending to 10.2.10.254.22 is 8960. MSS is
> only
