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LevelOne GTL-2691 User Manual

Page 1280

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C

HAPTER

42

| Multicast Filtering Commands

MLD (Layer 3)

– 1280 –

command, and multicast routing must be enabled globally on the system

using the

ip multicast-routing

command.

E

XAMPLE

The following shows options for displaying MLD group information.

Console#show ipv6 mld groups

Group Address Interface VLAN Uptime Expire

--------------------------------------- --------------- -------- --------

FFEE::101 1 0:1:59 Never

Console#show ipv6 mld groups detail

Interface : VLAN 1

Group : FFEE::101

Uptime : 0h:2m:7s

Group Mode : Include

Last Reporter : FE80::0101

Group Source List:

Source Address Uptime Expire Fwd

--------------------------------------- ----------- ----------- ---

FFEE::0101 0h:0m:12s 0h:0m:0s Yes

Console#

II

Table 165: show ipv6 mld groups - display description

Field

Description

Group Address

IP multicast group address with subscribers directly attached or

downstream from the switch.

Interface VLAN

The interface on the switch that has received traffic directed to the

multicast group address.

Uptime

The time elapsed since this entry was created.

Expire

The time remaining before this entry will be aged out. (The default

is 260 seconds.)
This field displays “stopped” if the Group Mode is INCLUDE.

Group Mode

In Include mode, reception of packets sent to the specified

multicast address is requested only from those IP source

addresses listed in the source-list parameter. In Exclude mode,

reception of packets sent to the given multicast address is

requested from all IP source addresses except for those listed in

the source-list parameter, and where the source timer status has

expired. Note that Exclude mode does not apply to SSM

addresses.

Last Reporter

The IP address of the source of the last membership report

received for this multicast group address on this interface.

Group Source List

A list of zero or more IP unicast addresses from which multicast

reception is desired or not desired, depending on the filter mode.

Source Address

The address of one of the multicast servers transmitting traffic to

the specified group.

Fwd

Indicates whether or not traffic will be forwarded from the

multicast source.