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RE: [nv-l] Reason for " PPP LCP Closed" trap from Cisco routers

To: "anand anupam" <ananda@bharatpetroleum.com>, <Hennis_Alan_E@cat.com>
Subject: RE: [nv-l] Reason for " PPP LCP Closed" trap from Cisco routers
From: "Barr, Scott" <Scott_Barr@csgsystems.com>
Date: Fri, 1 Aug 2003 07:56:56 -0500
Cc: <nv-l@lists.tivoli.com>
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Thread-topic: [nv-l] Reason for " PPP LCP Closed" trap from Cisco routers
The no snmp link status command is placed on a single interface - the lnik up/down traps for ONLY that interface are disabled. So the router will continue to send all traps - except for the interfaces you've turned off. This is HIGHLY desirable on PPP servers, VPN concentrators, dial up boxes, ISDN etc where the link goes up and down as part of it's normal operations.
-----Original Message-----
From: anand anupam [mailto:ananda@bharatpetroleum.com]
Sent: Friday, August 01, 2003 12:41 AM
To: Hennis_Alan_E@cat.com
Cc: nv-l@lists.tivoli.com
Subject: RE: [nv-l] Reason for " PPP LCP Closed" trap from Cisco routers

Hello Alan,

We have purposefully configured these routers to send snmp traps (up/down/coldstart/conf change etc.) to our NetView server and these traps are processed for some actions. So, stopping these routers to send snmp traps will affect our monitoring objectives.

I wanted to know, what could be the reason for " PPP LCP Closed" error message. Are our routers configured wrongly OR these errors shows that links are unstable.

This link is of multilink concept and 5 links of 2 mbps pipe is grouped together to give 10mbps output. Obviously, all these five links are configured on the same interface of the router and these links does not have different IP address.

Regards,
Anupam

-----Original Message-----
From: Alan E. Hennis [mailto:Hennis_Alan_E@cat.com]
Sent: Friday, August 01, 2003 1:48 AM
To: anand anupam
Cc: nv-l@lists.tivoli.com
Subject: Re: [nv-l] Reason for " PPP LCP Closed" trap from Cisco routers



Anand

You most likely have the following configuration on your router


!
! Host to send traps to
!
snmp-server host your_trap_processing_host

!
! Send SNMP traps, notice linkdown and linkup
! This can sometimes depending on the IOS version look like this
!
! snmp-server enable traps snmp
!
snmp-server enable traps snmp authentication linkdown linkup coldstart
warmstart


 The solution is to

1. Disable sending SNMP traps. This will stop all authentication, linkdown,
linkup, coldstart and  warmstart traps

      no snmp-server enable traps snmp

2. Disable a particular interface from sending traps

      interface replace_with_your_interface
       no snmp trap link-status


Thanks
Alan E. Hennis
Caterpillar Inc.
Systems+Process Division
309.494.3308
hennis_alan_e@cat.com


                                                                                                                                      

                      anand anupam                                                                                                    

                      <ananda@bharatpet                                                                                               

                      roleum.com>                                                                                                     

                                                                                                                                      

                      07/28/2003 12:06  To: nv-l@lists.tivoli.com                                                                     

                      AM                cc:                                                                                           

                                                                                                                                      

                                                                                                                                      

                                                                                                                                      

                                          Subject:      [nv-l] Reason for " PPP LCP Closed" trap from Cisco routers                   

                                                                                                                                      



Caterpillar: Confidential Green                 Retain Until: 08/30/2003
                                                Retention Category:  G90 -
                                                General
                                                Matters/Administration




Hello,


We are having NetView 6.0.2 on AIX 4.3.3


From one cisco router, we are continuously receiving the following kind of
traps saying 'PPP LCP closed" :-


1059222261 11 Sat Jul 26 18:54:21 2003 CORT3  A Cisco Agent Interface Down
(linkDown Trap) on interface: Serial3/1:0 locIfReason: PPP LCP Closed


1059222279 11 Sat Jul 26 18:54:39 2003 CORT3  A Cisco Agent Interface Up
(linkUp Trap) on interface: Serial3/2:0 locIfReason: PPP LCP Open





What could be the problem with the router or its configuration? Where
should I look into?





Regards,
Anupam Kr Anand


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