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Decode document for elam capture

Brian M
Beginner
Beginner

Does anyone have documentation on all the fields in an elam capture?

I am troubleshooting a very wierd vPC problem and I am getting drop_oth. I notice my di field has 11a0 or 11a1. On a successful packet my di field is a38 or a39.

The di and associated values is what I'm looking for specifically but if someone has a decoder tool or documentation that would be greatly appreciated!

2 ACCEPTED SOLUTIONS

Accepted Solutions

nkarpysh
Cisco Employee
Cisco Employee

Hi Brian,

DI seems to be Destination Index for a packet. You can decode those hex values to particular port/processor with

sh system internal pixm info ltl INDEX

e.g.

sh system internal pixm info ltl 0x11a0

Nik,

HTH,
Niko

View solution in original post

Right - can be SW defect.

Nik

HTH,
Niko

View solution in original post

4 REPLIES 4

nkarpysh
Cisco Employee
Cisco Employee

Hi Brian,

DI seems to be Destination Index for a packet. You can decode those hex values to particular port/processor with

sh system internal pixm info ltl INDEX

e.g.

sh system internal pixm info ltl 0x11a0

Nik,

HTH,
Niko

Thank you for the quick reply!! That certainly helps but unfortunately deepens the mystery, all of my indices are "Not Configured" with the exception of 0xa38.

0x11a0 is not configured

0x11a1 is not configured

0x0a39 is not configured

PC_TYPE    PORT    LTL      RES_ID       LTL_FLAG      CB_FLAG      MEMB_CNT

------------------------------------------------------------------------------

MCT       Po501     0x0a38    0x160001f4   0x00000000    0x00000002   2 PC_TYPE    PORT    LTL      RES_ID       LTL_FLAG      CB_FLAG      MEMB_CNT
------------------------------------------------------------------------------
MCT       Po501     0x0a38    0x160001f4   0x00000000    0x00000002   2

Right - can be SW defect.

Nik

HTH,
Niko

I think you're right. I've got an SR open on it right now and the BU is setting up a lab to try and duplicate because this is causing packet loss in our environment.

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