Alcatel Carrier Internetworking Solutions 6648 - Manual (Page 9)

OmniSwitch Troubleshooting Guide September 2005 ix
Dshell Troubleshooting .................................................................................................14-9
Chapter 15 Troubleshooting DVMRP ........................................................................................15-1
In This Chapter ..............................................................................................................15-1
Introduction ...................................................................................................................15-2
DVMRP Troubleshooting .............................................................................................15-2
DVMRP Global and Interface Commands .............................................................15-2
DVMRP Debug Commands ...................................................................................15-4
Chapter 16 Troubleshooting PIM-SM ........................................................................................16-1
In This Chapter ..............................................................................................................16-1
Introduction ...................................................................................................................16-2
Definition of Terms .......................................................................................................16-2
Protocol Overview ........................................................................................................16-3
DR Election ............................................................................................................16-3
Simplified Hello Message Format ...................................................................16-3
Debugging Hello Messages .............................................................................16-4
Related CLI Command ....................................................................................16-5
BSR Election .................................................................................................................16-6
Simplified Packet Format .......................................................................................16-7
Debugging BSR/Bootstrap .....................................................................................16-7
Election of a New BSR ....................................................................................16-8
Related CLI Command ....................................................................................16-9
C-RP Advertisements ..................................................................................................16-10
Simplified RP-Advertisement Packet Format ......................................................16-10
Debugging C-RP-Adv ..........................................................................................16-11
Related CLI Command ..................................................................................16-12
RP-SET .......................................................................................................................16-13
Simplified Bootstrap RP-SET Packet Taken on a 192.168.12/24 Network .........16-14
Debugging RP-SET ..............................................................................................16-16
On Non BSR You Should See .......................................................................16-16
Related CLI Command ..................................................................................16-17
Join/Prune ....................................................................................................................16-18
Simplified Join Packet ..........................................................................................16-18
Simplified PRUNE Packet ...................................................................................16-20
Debugging JOIN/PRUNE Event ..........................................................................16-20
Register .......................................................................................................................16-21
Simplified REGISTER Packet Format .................................................................16-22
Shared Tree .................................................................................................................16-23
Related CLI Command ..................................................................................16-24
Source-Based Tree ......................................................................................................16-25
Related CLI Command ..................................................................................16-26
Troubleshooting Examples: Limitations .....................................................................16-27
Incorrect BSR ID ..................................................................................................16-27