3Com SuperStack 4, Configuration Manual

Page: 166 / 432

178 C
HAPTER
7: M
ULTICAST
P
ROTOCOL
Clearing MFC
Forwarding Entries or
Statistics Information
Use the command in Table 185 to clear the multicast forwarding cache (MFC)
forward entries or statistics information.
Perform the following configuration in User View.
Clearing Route Entries
From The Core Multicast
Routing Table
Use the command in Table 186 to clear route entries from the core multicast
routing table, as well as MFC forwarding entries.
Perform the following configuration in User View.
The forwarding entries in MFC are deleted along with the routing entries in the
multicast kernel routing table.
Displaying and
Debugging Common
Multicast Configuration
Execute
display
command in any view to display the running of the multicast
configuration, and to verify the effect of the configuration.
Execute
debugging
command in User View to debug multicast.
Table 185 Clearing MFC forwarding entries or its statistic information
Operation Command
Clear MFC forwarding
entries or its statistic
information
reset multicast forwarding-table [ statistics ] {
all | {
group_address
[ mask {
group_mask
|
group_mask_length } ] | source_address [ mask {
source_mask | source_mask_length } ] |
incoming-interface
interface_type
interface_number
} * }
Table 186 Clearing routing entries from multicast routing table
Operation Command
Clear routing entries
from multicast routing
table
reset multicast routing-table { all | {
group_address
[ mask {
group_mask
|
group_mask_length
} ] |
source_address
[ mask {
source_mask | source_mask_length } ] | {
incoming-interface interface_type
interface_number
} } * }
Table 187 Displaying and debugging Common Multicast Configuration
Operation Command
Display the multicast routing
table
display multicast routing-table [
group-address [ mask { mask | mask_length } ]
|
source_address
[ mask {
mask
|
mask_length
}
] | incoming-interface {
interface-type
interface_number | register } ]*
Display the multicast
forwarding table
display multicast forwarding-table [
group_address
[ mask {
mask
|
mask_length
} ]
| source_address [ mask { mask | mask_length }
] | incoming-interface register ]*
Enable multicast packet
forwarding debugging
debugging multicast forwarding
Disable multicast packet
forwarding debugging
undo debugging multicast forwarding