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M
ULTICAST
F
ILTERING
3-215
CLI
– This example displays all the known multicast services supported
on VLAN 1, along with the ports propagating the corresponding services.
The Type field shows if this entry was learned dynamically or was statically
configured.
Assigning Ports to Multicast Services
Multicast filtering can be dynamically configured using IGMP Snooping
and IGMP Query messages as described in “Configuring IGMP Snooping
and Query Parameters” on page 3-207. For certain applications that
require tighter control, you may need to statically configure a multicast
service on the switch. First add all the ports attached to participating hosts
to a common VLAN, and then assign the multicast service to that VLAN
group.
Command Usage
•
Static multicast addresses are never aged out.
•
When a multicast address is assigned to an interface in a specific
VLAN, the corresponding traffic can only be forwarded to ports
within that VLAN.
Command Attribute
•
Interface
– Activates the Port or Trunk scroll down list.
•
VLAN ID
– Selects the VLAN to propagate all multicast traffic
coming from the attached multicast router/switch.
•
Multicast IP
– The IP address for a specific multicast service.
•
Port
or
Trunk
– Specifies the interface attached to a multicast router/
switch.
Console#show bridge 1 multicast vlan 1
4-234
VLAN M'cast IP addr. Member ports Type
---- --------------- ------------ -------
1 224.1.1.12 Eth1/12 USER
1 224.1.2.3 Eth1/12 IGMP
Console#
Содержание 6128L2
Страница 2: ......
Страница 21: ...CONTENTS xvii Glossary Index ...
Страница 22: ...CONTENTS xviii ...
Страница 26: ...TABLES xxii ...
Страница 40: ...INTRODUCTION 1 10 ...
Страница 54: ...INITIAL CONFIGURATION 2 14 ...
Страница 193: ...PORT CONFIGURATION 3 139 Figure 3 61 Displaying Etherlike and RMON Statistics ...
Страница 257: ...QUALITY OF SERVICE 3 203 Figure 3 90 Configuring Policy Maps ...
Страница 313: ...COMMAND GROUPS 4 13 PE Privileged Exec VC VLAN Database Configuration ...
Страница 592: ...TROUBLESHOOTING B 4 ...
Страница 605: ......