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command disables PIM-DM protocol on the interface.
Parameter: N/A.
Default: PIM-DM protocol is disabled by default.
Command mode: Interface Mode
Usage Guide:
Example: Enable PIM-DM protocol on interface vlan1.
Switch (Config)#interface vlan 1
Switch(Config-If-Vlan1)#ip pim dense-mode
16.3.2.4 ip pim hello-interval
Command: ip pim hello-interval <hello-interval-seconds>
no ip pim hello-interval
Function: Set interval for sending PIM-DM HELLO packets in the interface; the “no ip
pim query-interval” command restores the default setting.
Parameter: < hello-interval-seconds > is the interval for sending PIM-DM HELLO
packets, ranging from 1 to 18724s.
Parameter: The default interval for sending PIM-DM HELLO is 10s.
Command mode: Interface Mode
Usage Guide: The HELLO message enable 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: Configure PIM-DM HELLO interval on interface vlan1.
Switch (Config)#interface vlan1
Switch(Config-If-Vlan1)#ip pim hello-interval 20
16.3.3 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.