[mpls-linux-general] processing delay of MPLS packet

[yu-xiao j. <yx...@ho...>]

Hi all,

We set up the mpls for linux testbed as followed:

host --Ingress---Core---Egress --host

mpls work fine, we can monitor in ethereal. we want to calculate the 
processing delay on the core router.

For Ip packet, we can use tcpdump to calculate the difference of arriving 
and departure time for each packet.

Now for mpls packet, tcpdump can not catch. our question are:

1. can  ethereal be used to calculate delay?
2. is there any patch for tcpdump to make it see mpls packet?
3. is there any other tools to calculate the mpls packet delay?

thanks in advance


yuxiao jia

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