DGS-3610 Series Configuration Guide Chapter 35 IP Multicast Routing Configuration
DGS-3610# debug ip igmp fsm
Turn on IGMP debug final-state-machine switch
Turn on IGMP debug tree switch.
DGS-3610# debug ip igmp warnning
Turn on IGMP debug warning switch.
You can use no debug ip igmp to disable the degugging information swith of IGMP.
35.6.21 Configuring PIM-DM
35.6.21.1 Enabling PIM-DM
PIM-DM should be enabled on each interface. After the device enables PIM-DM on the
interface, it can only exchange the PIM-DM control message with other devices, maintain
and update the multicast route table and forward the multicast message.
To configure PIM-DM on the interface, execute the following command in the interface
mode:
DGS-3610(config-if)# ip pim
dense-mode
Enable the PIM-DM protocol on the interface.
DGS-3610(config-if)# no ip pim
dense-mode
Disable the PIM-DM protocol on the interface.
In general, the PIM-DM protocol should be enabled on all interfaces of the devices.
The enabling of PIM-DM on the interface will take effect only when the
multicast routing is enabled in the global configuration mode.
When this command is configured, if the ―Failed to enable PIM-DM on
<interface name>, resource temporarily unavailable, please try again‖
occurs, retry to configure this command.
When this command is configured, if the ―PIM-DM Configure failed! VIF limit
exceeded in NSM!!!‖ occurs, it indicates current allowed interface
configuration exceeds the upper limit of the multicast interfaces. Please
remove some unnecessary PIM-SM or DVMRP interface.
35.6.21.2 Set the Hello message sending interval
After the interface enables the PIM-DM, it will send the Hello message to neighbor device
interface periodically. You can set the interval of sending Hello messages according to the
network condition.
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