Description

The article explains the various counters on PTX100003.

Framing Errors

Oversized Frame

Jabbar Frames

CRC/Align errors 

Runts

Output MTU 

Symptoms

Explanation of error counters.

Solution

The following table describes the various counters that are available in PTX100003 and when they do increment:


Field

Description

Framing Errors

Incoming Undersized frame with CRC errors

Oversized Frame

Incoming packet size is larger than the MTU size

Jabbar Frames

Incoming packet size is larger than the MTU, but with the CRC errors

CRC/Align errors

 Normal sized frame with the CRC errors (within MTU of the interface)

Runts

Incoming Undersized packet without CRC errors.

Output MTU

 It will be incremented when the MTU of the outgoing interface is lower than
the incoming interface MTU when the packet has DF bit set.


Modification History

2025-03-19 : Article Created