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Description:
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swL2IGMPPortMap OBJECT-TYPE
SYNTAX PortList
MAX-ACCESS read-only
STATUS current
DESCRIPTION
"This object indicates which ports belong to the same
multicast group, on a per-VLAN basis. Each multicast group has an
octet string to indicate the port map. The most significant
bit represents the lowest numbered port, and the least
significant bit represents the highest numbered port. Thus, each
port of the switch is represented by a single bit within the
value of this object. If that bit has a value of '1' then that
port is included in the set of ports; the port is not included
if its bit has a value of '0' (Note that the setting of the bit
corresponding to the port from which a frame is received is
irrelevant). The 4 octets represent one unit port according
to its logic port. If the unit is less than 32 ports, the other port will just fill this value with zeros."
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