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New Member

Breaks in MRTG graph Cisco 3845 Gi 0/0

Hi,

I am getting drops in MRTG graph.

The polling servers shows the error as below

Pgm  nhiPoller[Net]: Received large delta from 'hyd-rt3845-01-GigabitEthernet0/1'.  Poll is dropped (OID in error is ifInOctets. Delta is 3989641522. Old value is  4239690170. Current value is 3934364396.).

Tuesday,  12/06/2012 15:22:21
Pgm nhiPoller[Net]: Received large delta from  'hyd-rt3845-01-GigabitEthernet0/1'. Poll is dropped (OID in error is ifInOctets.  Delta is 3989641522. Old value
is 4239690170. Current value is 3934364396.)

The  set up is

Cisco 3845 is used to connect MPLS circuit

Gi 0/0 connected to mux via copper.

Mux uplinki is fiber.

MRTG Server is in ISP.

IOS version is

Cisco IOS Software, 3800 Software (C3845-ADVIPSERVICESK9-M), Version 12.4(3c), RELEASE SOFTWARE (fc1)

What could be the reason for the polling drops and is it IOS bug.

3 REPLIES
Cisco Employee

Breaks in MRTG graph Cisco 3845 Gi 0/0

3800 in this IOS has some defects which affect counters and shows decrementing gigabit interfaces counters. This is probably equivalent to CSCsi34403.

Try the fixed versions.

-Thanks Vinod **Rating Encourages contributors, and its really free. **
New Member

Breaks in MRTG graph Cisco 3845 Gi 0/0

Thanks vinod,

The same router with same IOS was giving proper graph in different location.

That connectivity was Ethernet.

If this could be an IOS issue, it could have been there in the previous setup also.

any clue?

Cisco Employee

Breaks in MRTG graph Cisco 3845 Gi 0/0

This issue is seen on Gig interfaces only.

Can you try the HC counters ( ifHCInOctets) and see they work fine.

-Thanks

-Thanks Vinod **Rating Encourages contributors, and its really free. **
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