Troubleshooting Pim - H3C S5600 Series Operation Manual

Operation Manual – Multicast
H3C S5600 Series Ethernet Switches

4.7 Troubleshooting PIM

Symptom: The router cannot set up multicast routing tables correctly.
Solution: You can troubleshoot PIM according to the following procedure.
Make sure that the unicast routing is correct before troubleshooting PIM.
Because PIM-SM needs the support of RP and BSR, you must execute the
display pim bsr-info command to see whether BSR information exists. If not, you
must check whether there is any unicast route to the BSR. Then, use the display
pim rp-info command to check whether the RP information is correct. If RP
information does not exist, you must check whether there is any unicast route to
RP.
Use the display pim neighbor command to check whether the neighboring
relationship is correctly established.
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Chapter 4 PIM Configuration