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EES4710BD 10 Slots L2/L3/L4 Chassis Switch
If a pruned downstream node needs to restore to the forwarding state, the node will send a graft
packet to ask the upstream to restore multicast data forwarding.
19.3.2 PIM-DM Configuration 19.3.2.1 PIM-DM Configuration Task Sequence
1. Enable PIM-DM
Basic configuration of PIM-DM routing protocol on ES4710BD series switches is quite simple: just
enable PIM-DM in the appropriate interfaces.
Command Explanation
Interface Mode
ip pim dense-mode
no ip pim dense-mode
Enables PIM-DM protocol; the “no ip pim
dense-mode” command disables PIM-DM
protocol (required)
2. Configure PIM-DM sub-parameters
(1) Configure PIM-DM interface parameters
a. Configure PIM-DM HELLO packet interval
Command Explanation
Interface Mode
ip pim query-interval <query
interval>
no ip pim query-interval
Sets the interval for sending PIM-DM HELLO
packets in the interface; the “no ip pim
query-interval” command restores the default
setting.
3. Disable PIM-DM protocol
Command Explanation
Interface Mode
no ip pim dense-mode Disables PIM-DM protocol
19.3.2.2 PIM-DM Configuration Commands
z ip pim dense-mode
z ip pim query-interval
z show ip pim interface
z show ip pim mroute dm
z show ip pim neighbor
z debug ip pim
19.3.2.3 ip pim dense-mode