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Packet Drops

Dears ,

Im pinging one of my point to pint link connected connected VIA my telco provider. Im seeing an ICMP drop as given below . The Drop is in some sequence like first drop happens after 20 , then 30 like that .And after few pings the circruit drops all traffic as given below

What could be the problem ?

Sending 10000, 100-byte ICMP Echos to 192.168.111.70, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!
!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!.!
!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!
!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!
!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!
!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!
!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!..
......................................................................
....................!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!
!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!
!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!
!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.....................................
.......................................................!!!!!!!!!!!!!!!
!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!
!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!.!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!
!!!!..................................................................
..........................!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.
!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!
!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!
!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!
!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!............

Regards

Haris

1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

Re: Packet Drops

Haris,

If you notice a pattern in the ICMP failure, I would request you to check with Telco to see if they rate-limit ICMP traffic.

It will be worth to sniff at the remote end to make sure ICMP request is received (basically isolate which direction the drop happens)

- Yogesh

3 REPLIES

Re: Packet Drops

Hi Haris,

can we have interface config and sh interface outpur ..which will help to understand the exact problem

Like by looking at ping response it is impossible to conclude the reason.

Regards

Mahesh

Cisco Employee

Re: Packet Drops

Haris,

If you notice a pattern in the ICMP failure, I would request you to check with Telco to see if they rate-limit ICMP traffic.

It will be worth to sniff at the remote end to make sure ICMP request is received (basically isolate which direction the drop happens)

- Yogesh

Bronze

Re: Packet Drops

Dears ,

The below is my interface config .

interface GigabitEthernet6/1
mtu 4470
no ip address

interface GigabitEthernet6/1.45
encapsulation dot1Q 45
ip vrf forwarding Customer_45
ip address 192.168.111.69 255.255.255.252
no cdp enable
end

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