Re: Extremely slow web page loading to only 1 site ?

On Tue, 2010-02-09 at 11:49 +0800, Ed Greshko wrote:
Linuxguy123 wrote:
On Tue, 2010-02-09 at 11:25 +0800, Ed Greshko wrote:


That is starting to stir the synapse....

The problem is related to what is in the "syn, ack" packet coming from
12.17.249.39. In the TCP Options it is sending "Window scale: 0
(multiply by 1)". I think this is causing problems since later packets
have the TCP data segment being only 92 bytes from 12.17.249.39.

While the same info is in the "syn, ack" the RHELv4 system seems to deal
with it OK and the TCP data segments from 12.17.249.39 are 1460 bytes.

The "problem" can be fixed by....

echo 0 > /proc/sys/net/ipv4/tcp_window_scaling

It loads quickly now. Problem fixed. Thanks.

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Relevant Pages

  • Re: Extremely slow web page loading to only 1 site ?
    ... The problem is related to what is in the "syn, ack" packet coming from ... In the TCP Options it is sending "Window scale: ... have the TCP data segment being only 92 bytes from 12.17.249.39. ... While the same info is in the "syn, ack" the RHELv4 system seems to deal ...
    (Fedora)
  • Re: Extremely slow web page loading to only 1 site ?
    ... The problem is related to what is in the "syn, ack" packet coming from ... In the TCP Options it is sending "Window scale: ... have the TCP data segment being only 92 bytes from 12.17.249.39. ... While the same info is in the "syn, ack" the RHELv4 system seems to deal ...
    (Fedora)
  • Re: Extremely slow web page loading to only 1 site ?
    ... I think this is causing problems since later packets ... have the TCP data segment being only 92 bytes from 12.17.249.39. ... While the same info is in the "syn, ack" the RHELv4 system seems to deal ... To unsubscribe or change subscription options: ...
    (Fedora)