Re: [squid-users] squid 2.6STABLE9 WCCPv2 CISCO 2600 w/bad recv_id 00000000

From: Chris Nighswonger <cnighswonger@dont-contact.us>
Date: Thu, 8 Feb 2007 15:52:24 -0500

Maybe this is helpful: http://www.reub.net/node/3

Chris

On 2/8/07, Martin Kobele <martin.kobele@netsweeper.com> wrote:
>
> ok,
> I finally found out, after running squid in gdb how to turn on the very
> detailed debug output.....
>
> So I can confirm, squid does receive all of the handshaking:
>
> 2007/02/08 15:19:45| wccp2HereIam: Called
> 2007/02/08 15:19:45| wccp2HereIam: sending to service id 97
> 2007/02/08 15:19:45| wccp2_update_md5_security: called
> 2007/02/08 15:19:45| eventAdd: Adding 'wccp2HereIam', in 10.000000 seconds
> 2007/02/08 15:19:45| wccp2HandleUdp: Called.
> 2007/02/08 15:19:45| Incoming WCCPv2 I_SEE_YOU length 148.
> 2007/02/08 15:19:45| Incoming WCCP2_I_SEE_YOU Received ID old=1016 new=1017.
>
> Now I still have the problem, that I don't get any webtraffic redirected.
> Is this message
>
> 1d03h: WCCP-EVNT:D97: Here_I_Am packet from 192.168.3.20 w/bad rcv_id 00000000
>
> to blame?
>
> Is it a bad version if IOS? Is anything else wrong?
>
> Thank you!
>
> Regards,
> Martin
>
>
> On Thursday 08 February 2007 14:29, Martin Kobele wrote:
> > Hi,
> >
> > here is more output of the router confirming that the communication is kind
> > of working:
> >
> > router1#debug ip wccp packets
> > WCCP packet info debugging is on
> > router1#
> > 1d02h: WCCP-PKT:D97: Received valid Here_I_Am packet from 192.168.3.20
> > w/rcv_id 000002F4 1d02h: WCCP-PKT:D97: Sending I_See_You packet to
> > 192.168.3.20 w/ rcv_id 000002F5 1d02h: WCCP-EVNT:D97: Here_I_Am packet from
> > 192.168.3.20 w/bad rcv_id 00000000 1d02h: WCCP-PKT:D97: Sending I_See_You
> > packet to 192.168.3.20 w/ rcv_id 000002F6 1d02h: WCCP-PKT:D97: Received
> > valid Here_I_Am packet from 192.168.3.20 w/rcv_id 000002F6 1d02h:
> > WCCP-PKT:D97: Sending I_See_You packet to 192.168.3.20 w/ rcv_id 000002F7
> > 1d02h: WCCP-EVNT:D97: Built new router view: 1 routers, 1 usable web
> > caches, change # 0000000E 1d02h: WCCP-PKT:D97: Received valid
> > Redirect_Assignment packet from 192.168.3.20 w/rcv_id 000002F7 1d02h:
> > WCCP-PKT:D97: Received valid Here_I_Am packet from 192.168.3.20 w/rcv_id
> > 000002F7 1d02h: WCCP-PKT:D97: Sending I_See_You packet to 192.168.3.20 w/
> > rcv_id 000002F8 1d02h: WCCP-PKT:D97: Received valid Here_I_Am packet from
> > 192.168.3.20 w/rcv_id 000002F8 ...
> >
> > however, no output on cache.log, running squid with parameters -NDX -d9
> >
> > Regards,
> > Martin
> >
> > On Thursday 08 February 2007 11:56, Martin Kobele wrote:
> > > Hi,
> > >
> > > I am experiencing
> > > the following problem: Squid does not get any I_SEE_YOU messages and the
> > > router prints out "Here_I_Am packet from 192.168.3.20 w/bad rcv_id
> > > 0000000"
> > >
> > > Here is the setup and what is happening in more detail:
> > >
> > > SQUID BOX
> > > ========
> > > IP: 192.168.3.20
> > >
> > > Squid 2.6STABLE9, kernel 2.4.32 or 2.6.16, for now the kernel version
> > > does not seem to matter.
> > > For now I use one squid and one router. But once I get this to work, I
> > > plan on using 2 routers and most likely a second squid. Thus the dynamic
> > > configuration.
> > >
> > >
> > > squid.conf wccp2 settings:
> > >
> > > wccp2_router 192.168.3.21
> > > wccp2_forwarding_method 1
> > > wccp2_return_method 1
> > > wccp2_assignment_method 1
> > > wccp2_service dynamic 97 password=exPAS12
> > > wccp2_service_info 97 protocol=tcp flags=src_ip_hash,ports_source
> > > priority=240 ports=80
> > > wccp2_weight 10000
> > >
> > >
> > >
> > > CISCO 2621
> > > ========
> > > Cisco Internetwork Operating System Software
> > > IOS (tm) C2600 Software (C2600-I-M), Version 12.0(3)T3, RELEASE SOFTWARE
> > > (fc1)
> > > Copyright (c) 1986-1999 by cisco Systems, Inc.
> > > Compiled Thu 15-Apr-99 15:41 by kpma
> > > Image text-base: 0x80008088, data-base: 0x80693A88
> > >
> > > ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)
> > >
> > > part of 'show conf':
> > >
> > > ip wccp 97 password exPAS12
> > > ip name-server 192.168.1.253
> > > ip name-server 192.168.1.252
> > > !
> > > interface FastEthernet0/0
> > > ip address 192.168.3.21 255.255.255.0
> > > no ip directed-broadcast
> > > ip wccp 97 redirect out
> > > no ip mroute-cache
> > >
> > >
> > > STARTING SQUID
> > > ============
> > > If I start squid I get the following output on the CISCO:
> > > 23:30:08: WCCP-EVNT:D97: Web Cache 192.168.3.20 added
> > > 23:30:18: WCCP-EVNT:D97: Built new router view: 1 routers, 1 usable web
> > > caches, change # 00000030
> > >
> > > if I restart squid I get the following on CISCO:
> > > 23:31:03: WCCP-EVNT:D97: Here_I_Am packet from 192.168.3.20 w/bad rcv_id
> > > 0000000
> > >
> > > eventually, I get this:
> > > 23:50:06: WCCP-EVNT:D97: Redirect_Assignment packet from 192.168.3.20
> > > fails source check
> > >
> > >
> > > I do not get any I_SEE_YOU messages in squid's cache.log
> > >
> > > The only wccp2 related messages are :
> > > 2007/02/08 11:14:22| WCCP Disabled.
> > > 2007/02/08 11:14:22| Accepting WCCPv2 messages on port 2048, FD 48.
> > > 2007/02/08 11:14:22| Initialising all WCCPv2 lists
> > >
> > >
> > > TCPDUMP
> > > ======
> > > in order to be sure that udp packets are coming through, I captured the
> > > traffic while starting squid
> > >
> > > # tcpdump -X -s 1600 -n -i any -p port 2048 &
> > > # squid
> > >
> > > 11:16:13.481972 IP 192.168.3.20.2048 > 192.168.3.21.2048: UDP, length 160
> > > 0x0000: 4500 00bc f920 0000 4011 f996 c0a8 0314
> > > E.......@....... 0x0010: c0a8 0315 0800 0800 00a8 ceb5 0000 000a
> > > ................ 0x0020: 0200 0098 0000 0014 0000 0001 67ae 4954
> > > ............g.IT 0x0030: 3716 c97d e9fa fcf5 973d c4e6 0001 0018
> > > 7..}.....=...... 0x0040: 0161 f006 0000 0031 0050 0000 0000 0000
> > > .a.....1.P...... 0x0050: 0000 0000 0000 0000 0003 002c c0a8 0314
> > > ...........,.... 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000
> > > ................ 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000
> > > ................ 0x0080: 0000 0000 2710 0000 0005 0014 0000 0001
> > > ....'........... 0x0090: 0000 0001 c0a8 0315 0000 0000 0000 0000
> > > ................ 0x00a0: 0008 0018 0001 0004 0000 0001 0002 0004
> > > ................ 0x00b0: 0000 0001 0003 0004 0000 0001
> > > ............ 11:16:13.493933 IP 192.168.3.21.2048 > 192.168.3.20.2048:
> > > UDP, length 156 0x0000: 4500 00b8 1cba 0000 ff11 1701 c0a8 0315
> > > E............... 0x0010: c0a8 0314 0800 0800 00a4 7651 0000 000b
> > > ..........vQ.... 0x0020: 0200 0094 0000 0014 0000 0001 8fb9 abcb
> > > ................ 0x0030: fa5b 24d3 1dc9 57f3 a8b1 a8bb 0001 0018
> > > .[$...W......... 0x0040: 0161 f006 0000 0031 0050 0000 0000 0000
> > > .a.....1.P...... 0x0050: 0000 0000 0000 0000 0002 0014 c0a8 0315
> > > ................ 0x0060: 0000 1c35 c0a8 0315 0000 0001 c0a8 0314
> > > ...5............ 0x0070: 0004 0044 0000 0030 c0a8 0314 0000 0001
> > > ...D...0........ 0x0080: 0000 0001 c0a8 0315 0000 0001 c0a8 0314
> > > ................ 0x0090: 0000 0000 ffff ffff ffff ffff ffff ffff
> > > ................ 0x00a0: ffff ffff ffff ffff ffff ffff ffff ffff
> > > ................ 0x00b0: ffff ffff 2710 0000
> > > ....'... 11:16:18.543117 IP 192.168.3.21.2048 > 192.168.3.20.2048: UDP,
> > > length 80 0x0000: 4500 006c 1cbb 0000 ff11 174c c0a8 0315
> > > E..l.......L.... 0x0010: c0a8 0314 0800 0800 0058 1e0a 0000 000d
> > > .........X...... 0x0020: 0200 0048 0000 0014 0000 0001 f7b9 dfbe
> > > ...H............ 0x0030: 51e7 c37e f30e bbb7 623e efe4 0001 0018
> > > Q..~....b>...... 0x0040: 0161 f006 0000 0031 0050 0000 0000 0000
> > > .a.....1.P...... 0x0050: 0000 0000 0000 0000 0007 0010 c0a8 0315
> > > ................ 0x0060: 0000 1c36 c0a8 0315 c0a8 0314
> > > ...6........ 11:16:23.485739 IP 192.168.3.20.2048 > 192.168.3.21.2048:
> > > UDP, length 160 0x0000: 4500 00bc f921 0000 4011 f995 c0a8 0314
> > > E....!..@....... 0x0010: c0a8 0315 0800 0800 00a8 6976 0000 000a
> > > ..........iv.... 0x0020: 0200 0098 0000 0014 0000 0001 1c32 0c8e
> > > .............2.. 0x0030: d72a 3ab8 5bc7 3976 3432 39a3 0001 0018
> > > .*:.[.9v429..... 0x0040: 0161 f006 0000 0031 0050 0000 0000 0000
> > > .a.....1.P...... 0x0050: 0000 0000 0000 0000 0003 002c c0a8 0314
> > > ...........,.... 0x0060: 0000 0000 0000 0000 0000 0000 0000 0000
> > > ................ 0x0070: 0000 0000 0000 0000 0000 0000 0000 0000
> > > ................ 0x0080: 0000 0000 2710 0000 0005 0014 0000 0001
> > > ....'........... 0x0090: 0000 0001 c0a8 0315 0000 1c35 0000 0000
> > > ...........5.... 0x00a0: 0008 0018 0001 0004 0000 0001 0002 0004
> > > ................ 0x00b0: 0000 0001 0003 0004 0000 0001
> > >
> > > if I view this (tcpdump -w dump -X -s 1600 -n -i any -p port 2048) in
> > > ethereal, I can see that "Here I am" and "I see you" messages are sent
> > > back and forth. I can email you the dump, the mailing list does not
> > > permit attachments.
> > >
> > > What did I do wrong or miss?
> > >
> > > Any pointers are more than appreciated.
> > >
> > > Thank you!
> > >
> > > Regards,
> > > Martin
>
> --
> Martin Kobele
> Software Developer
> t. 519-826-5222 ext #224
> f. 519-826-5228
> martin.kobele@netsweeper.com
> Netsweeper Corporate Head Office
> 104 Dawson Road
> Guelph, Ontario
> N1H 1A7
>
Received on Thu Feb 08 2007 - 13:52:32 MST

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