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EES4710BD 10 Slots L2/L3/L4 Chassis Switch
Command: ip pim dense-mode
no ip pim dense-mode
Function: Enables PIM-DM protocol on the interface; the “no ip pim dense-mode” command
disables PIM-DM protocol on the interface.
Parameters: N/A.
Default: PIM-DM protocol is disabled by default.
Command mode: Interface Mode
Usage Guide:
Example: Enabling PIM-DM protocol on interface vlan1.
Switch (Config)#interface vlan 1
Switch(Config-If-Vlan1)#ip pim dense-mode
19.3.2.4 ip pim query-interval
Command: ip pim query-interval <query interval>
no ip pim query-interval
Function: Sets interval for sending PIM-DM HELLO packets in the interface; the “no ip pim
query-interval” command restores the default setting.
Parameters: <query interval> is the interval for sending PIM-DM HELLO packets, ranging from
1 to 18724s.
Default: The default interval for sending PIM-DM HELLO is 10 seconds.econds.
Command mode: Interface Mode
Usage Guide: The HELLO message enables PIM-DM switches to locate each other and establish
the neighborhood. PIM-DM switches claim their existence by sending HELLO
message to their neighbors. If no HELLO message from a neighbor is received in a
specified period, that neighbor is considered to be lost. This time must be no greater
than the neighbor timeout time.
Example: Configuring PIM-DM HELLO interval on interface vlan1.
Switch (Config)#interface vlan1
Switch(Config-If-Vlan1)#ip pim query-interval 20
19.3.3 Typical PIM-DM Scenario
As shown in the figure below, the Ethernet interfaces of SwitchA and SwitchB are added to the
appropriate vlan, and PIM-DM protocol is enabled on each vlan interface.