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338 CHAPTER 18: MULTICAST PROTOCOL
Displaying and
Debugging PIM-DM
After the above configuration, execute the display command in any view to display
the running of PIM-DM configuration, and to verify the effect of the configuration.
Execute the
debugging command in user view for the debugging of PIM-DM.
PIM-DM Configuration
Example
Networking Requirements
Switch_A has a port carrying Vlan 10 to connect the Multicast Source, a port carrying
Vlan11 to connect Switch_B and a port carrying Vlan12 to connect to Switch_C.
Configure to implement multicast between Multicast Source and Receiver 1 and
Receiver 2.
Networking Diagram
Figure 85 PIM-DM configuration networking
Table 349 Displaying and debugging PIM-DM
Operation Command
Display the PIM multicast
routing table
display pim routing-table [ { { *g [ group_address
[ mask { mask_length | mask } ] ] | **rp [
rp_address [ mask { mask_length | mask } ] ] } | {
group_address [ mask { mask_length | mask } ] |
source_address [ mask { mask_length | mask } ] } *
} | incoming-interface { interface-type
interface_number | null } | { dense-mode |
sparse-mode } ] *
Display the PIM interface
information
display pim interface [ interface-type
interface_number ]
Display the information
about PIM neighboring
routers
display pim neighbor [ interface-type
interface_number ]
Enable the PIM
debugging
debugging pim common { all | event | packet |
timer }
Disable the PIM
debugging
undo debugging pim common { all | event | packet |
timer }
Enable the PIM-DM
debugging
debugging pim dm { alert | all | mbr | mrt | timer
| warning | { recv | send } { all | assert | graft
| graft-ack | join | prune } }
Disable the PIM-DM
debugging
undo debugging pim dm { alert | all | mbr | mrt |
timer | warning | { recv | send } { all | assert |
graft | graft-ack | join | prune } }
Lanswitch3
Lanswitch1
RECEIVER 1
Lanswitch2
VLAN10 VLAN11
VLAN12
Multicast
Sourc e
RECEIVER 2
VLAN20
VLAN30
Lanswitch3
Lanswitch1
RECEIVER 1
Lanswitch2
VLAN10 VLAN11
VLAN12
Multicast
Sourc e
RECEIVER 2
VLAN20
VLAN30
Switch_A
Switch_B
Switch_C