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Re: squid 2.6STABLE9 WCCPv2 CISCO 2600 w/bad recv_id 00000000

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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@xxxxxxxxxxxxxx
Netsweeper Corporate Head Office
104 Dawson Road
Guelph, Ontario
N1H 1A7

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