Simplified packet format, Debugging bsr/bootstrap – Alcatel Carrier Internetworking Solutions 6648 User Manual

Page 269

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Troubleshooting PIM-SM

BSR Election

OmniSwitch Troubleshooting Guide

September 2005

page 16-7

Simplified Packet Format

IP: ----- IP Header -----

IP: Protocol = 103 (PIM)

IP: Source address = [192.168.11.2]

IP: Destination address = [224.0.0.13]

PIM: ----- PIM Header -----

PIM:

PIM: Version = 2

PIM: Message Type = 4(Bootstrap)

PIM: Reserved = 0

PIM: Checksum = 71af (correct)

PIM: Fragment tag = 0

PIM: Hash mask length = 30

PIM: BSR-priority = 0

Debugging BSR/Bootstrap

Commands to debug received and forwarded bootstrap, the command will return information on BSR
election as well as Bootstrap messages in general.

-> ip pimsm debug-type bootstrap

-> ip pimsm debug-level 100

Debug output on 192.168.11.2:

tPimsm-: pimsmBSRStateTransition - Entering with Event TMR State : CAND
OperStatus DOWN

tPimsm-: Originate msg.State change to ELCTD

Transitioning from status down to up in order to participate to BSR election.

tPimsm-: BSR Available : 192.168.11.2

C-BSR is the address that will be used in the generated Bootstrap messages.

tPimsm-: pimsmBSRStateTransition - Leaving with Event TMR State : ELCTD
Status UP

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