Re: [squid-users] WCCP Howto RHEL3.1 w/ 2.4.x kernel

From: Henrik Nordstrom <[email protected]>
Date: Tue, 14 Nov 2006 23:28:50 +0100

tis 2006-11-14 klockan 09:48 -0500 skrev Chad Harrelson:

> flawlessly, however WCCP does not appear to be working. The show
> packets being redirected:

> Total Packets Redirected: 47405

> But again, nothing in tcpdump and nothing in /var/log/squid/access.log

The fact that you see nothing in tcpdump is disturbing. This means that
either

a) The router is broken and doesn't actually forward the redirected
packets to the cache server.

or

b) Something very early in the packet processing on the cache server
discards the packets before even tcpdump has a chance to see them..

I guess the most failsafe method to tell the two apart is to use a
packet sniffer between the router and the cache server. If you have an
old hub around this is very easy, just connect the hub between the
router/switch and the cache server, and connect another computer running
tcpdump or another packet sniffer to the same hub.

Regards
Henrik

Received on Tue Nov 14 2006 - 15:28:57 MST

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