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Cisco IP Communicator - Registration Rejected works all remote sites over tunnels except one

DavidAvery
Level 1
Level 1

Hello, I have an issue with my IP communicator not registering from a remote office which is connected via IPSEC VPN Tunnels the same as my other remote sites but it cannot register only at this one site.

I load IPC and it says "No Files Changed CIPC-2-1-2-0" my Unified CM1 and CM2 switch between Active and Standby states when it tries to re-register. I have a CM3 SRST router at this site and it rotates in as Standby when CM2 is Active, and goes blank when CM1 is Active and CM2 is Standby.

There are no firewall policies blocking access to the CM's 1&2, and my SRST router has ACL's but I have a permit any entry for my workstation.

If I VPN to another site my IPC registers just fine so I can only assume it has something to do with my SRST router.

 

I'm not at all familiar with SRST so I'm not sure what I should be looking for.

My CM pub/sub are at ver 9.1.2.12901-3

IPC is 8.6.4.3

Router config is attached (I removed a lot of the identifying information, so if you need specifics let me know)

 

 

 

sitename-2821>sh ver
Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 15.1(4)M8, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2014 by Cisco Systems, Inc.
Compiled Fri 07-Mar-14 08:20 by prod_rel_team

ROM: System Bootstrap, Version 12.4(1r) [hqluong 1r], RELEASE SOFTWARE (fc1)

AIR-2821 uptime is 13 weeks, 2 days, 24 minutes
System returned to ROM by power-on
System restarted at 14:33:12 PDT Sat May 30 2015
System image file is "flash:c2800nm-advipservicesk9-mz.151-4.M8.bin"
Last reload type: Normal Reload


This product contains cryptogr...s product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

Cisco 2821 (revision 1.0) with 1028096K/20480K bytes of memory.
Processor board ID redacted
2 Gigabit Ethernet interfaces
26 Serial interfaces
1 terminal line
4 Channelized T1/PRI ports
1 Virtual Private Network (VPN) Module
4 Voice FXO interfaces
1 cisco Integrated Service Engine(s)
   Cisco Unity Express 8.6.7 in slot/sub-slot 1/0
DRAM configuration is 64 bits wide with parity enabled.
239K bytes of non-volatile configuration memory.
125184K bytes of ATA CompactFlash (Read/Write)


License Info:

License UDI:

-------------------------------------------------
Device#   PID                   SN
-------------------------------------------------
*0        CISCO2821             redacted     

 

Configuration register is 0x2102

1 Reply 1

Hi,

 

is option 150 configured and to which IP? Also, can you share the config of the interfaces and ACLs without masking. Please indicate the LAN and WAN.

 

Also. please take off this line

ip tcp synwait-time 10