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Tracing a multicast path – H3C Technologies H3C S7500E Series Switches User Manual

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Configuring a static multicast MAC address entry in interface view

Table 4-2 Configure static multicast MAC address entries in interface view

To do...

Use the command...

Remarks

Enter system view

system-view

interface interface-type

interface-number

Enter Ethernet port/Layer 2

aggregate interface view or port

group view

port-group manual

port-group-name

Required

Configurations performed in

Ethernet port view or Layer 2

aggregate interface view take

effect for only the current

interface; while that performed

in port group view take effect for

all ports in the port group.

Configure a static multicast

MAC address entry

mac-address multicast

mac-address vlan vlan-id

Required

No static multicast MAC address

entries exist by default.

z

When configuring a static multicast MAC address entry in system view, the configuration is

effective for the specified interface. When configuring a static multicast MAC address entry

in interface view or port group view, the configuration is effective only for the current

interface or interfaces in the current port group.

z

Any legal multicast MAC address except 0100-5Exx-xxxx (with x representing a

hexadecimal number from 0 to F) can be manually added to the multicast MAC address

table.

Tracing a Multicast Path

You can run the mtracert command to trace the path down which the multicast traffic flows from

a given first-hop router to the last-hop router.

To do…

Use the command…

Remarks

Trace a multicast path

mtracert source-address

[ [ last-hop-router-address ]

group-address ]

Required

Available in any view