Showing mld snooping groups and source list – LevelOne GTL-2691 User Manual

Page 545

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C

HAPTER

15

| Multicast Filtering

MLD Snooping (Snooping and Query for IPv6)

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Figure 317: Showing Current Interfaces Assigned to an IPv6 Multicast Service

S

HOWING

MLD

S

NOOPING

G

ROUPS

AND

S

OURCE

L

IST

Use the Multicast > MLD Snooping > Group Information page to display

known multicast groups, member ports, the means by which each group

was learned, and the corresponding source list.

CLI R

EFERENCES

"show ipv6 mld snooping group source-list" on page 1225

P

ARAMETERS

These parameters are displayed:

VLAN – VLAN identifier. (Range: 1-4093)

Interface – Port or trunk identifier.

Group Address – The IP address for a specific multicast service.

Type – The means by which each group was learned – MLD Snooping
or Multicast Data.

Filter Mode – The filter mode is used to summarize the total listening

state of a multicast address to a minimum set such that all nodes'

listening states are respected. In Include mode, the router only uses

the request list, indicating that the reception of packets sent to the

specified multicast address is requested only from those IP source

addresses listed in the hosts’ source-list. In Exclude mode, the router

only both the request list and exclude list, indicating that the reception

of packets sent to the given multicast address is requested from all IP

source addresses, except for those listed in the exclude source-list and

for any other sources where the source timer status has expired.

Filter Timer Elapse – The Filter timer is only used when a specific

multicast address is in Exclude mode. It represents the time for the

multicast address filter mode to expire and change to Include mode.

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