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Example:
$ get bridge mcast forwarding vlanid 1 macaddr 00:30:4F:00:08:01
Output:
Vlan Index : 1 Mac Address : 00:30:4F:00:08:01
Egress ports : 1 2
Group Learnt : 1
Output Fields:
Field Description
VLAN Index
The VLAN id for this VLAN. In devices supporting "Shared Vlan for
multicast" capability, the information for a multicast MAC address is
shared across VLANS. Hence, vlanid is not required and is passed
as zero. In devices supporting "Independent Vlan for multicast"
capability. Each vlan can have its own information for a multicast
MAC address. Hence, VLAN id is a mandatory parameter and a
valid value of vlanid must be passed. For No Vlan case VLAN id is
not required. When Vlan transparency feature is supported, the
valid range for vlanid also includes 4097. In case of "Shared Vlan
Multicast also there shall always be a seperate entry for 4097 if the
VLAN with that VLAN Id is created. VLAN here means the 802.1q
Vlan in case of Native Vlan mode and Virtual Vlan in case of
Stacked Vlan Mode.
Mac Address
The destination Group MAC address in a frame, to which this
entry's filtering information applies
Egress ports
The complete set of bridge ports, in this VLAN, to which frames
destined for this Group MAC address are currently being explicitly
forwarded. This does not include ports for which this address is
only implicitly forwarded, in the dot1qForwardAllPorts list.
Group Learnt
The subset of bridge ports in EgressPorts, which were learned by
GMRP or some other dynamic mechanism, in this Filtering
database.
References:
z bridge static multicast