3com 5500-SI Manual Do Utilizador

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Common Multicast Configuration 325
Multicast Source Deny
Configuration
The purpose of the multicast source deny feature is to filter out multicast packets on 
an unauthorized multicast source port to prevent the user connected to the port from 
setting up a multicast server without permission.
Enabling Multicast Source Deny
Clearing MFC
Forwarding Entries or
Statistics Information
Use the command in Table 325 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 326 to clear route entries from the core multicast routing 
table, as well as MFC forwarding entries.
Perform the following configuration in User View.
Table 324   Enable multicast source deny
Operation
Command
Description
Enter system view
system-view
Enable multicast source 
deny in system view
multicast-source-deny [ 
interface 
interface-list ]
Required
Executing this command without 
specifying the interface-list argument 
will enable the feature globally (that 
is, on all the ports of the switch).
Executing this command with the 
interface-list argument specified will 
enable the feature on the specified 
port.
By default, this feature is disabled 
globally.
Enter Ethernet port view
interface interface_type 
interface_num
interface_type and interface_num are 
the type and number of a port.
Enable multicast source 
deny in Ethernet port view
multicast-source-deny
Optional
By default, this feature is disabled on 
all the ports of the switch.
Table 325   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 326   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 } 
} * }