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Switching Commands
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ProSafe M4100 and M7100 Managed Switches
When you specify a value for <vlanid>, the following additional information appears.
VLAN Admin
Mode
VLAN
Operational
State
VLAN
Operational
Max Response
Time
Querier Election
Participation
Querier VLAN
Address
Operational
Version
Last Querier
Address
Last Querier
Version
When the optional argument detail is used, the command shows the global information
and the information for all Querier-enabled VLANs.
MLD Snooping Commands
This section describes commands used for MLD Snooping. In IPv4, Layer 2 switches can
use IGMP Snooping to limit the flooding of multicast traffic by dynamically configuring Layer 2
interfaces so that multicast traffic is forwarded only to those interfaces associated with IP
multicast addresses. In IPv6, MLD Snooping performs a similar function. With MLD
Snooping, IPv6 multicast data is selectively forwarded to a list of ports that want to receive
the data, instead of being flooded to all ports in a VLAN. This list is constructed by snooping
IPv6 multicast control packets.
set mld
Use this command to enable MLD Snooping on the system (Global Config Mode) or an
Interface (Interface Config Mode). This command also enables MLD Snooping on a particular
VLAN and enables MLD Snooping on all interfaces participating in a VLAN.
If an interface has MLD Snooping enabled and you enable this interface for routing or enlist it
as a member of a port-channel (LAG), MLD Snooping functionality is disabled on that
Field Description
Indicates whether iGMP Snooping Querier is active on the VLAN.
Indicates whether IGMP Snooping Querier is in “Querier” or “Non-Querier” state. When
the switch is in Querier state, it will send out periodic general queries. When in
Non-Querier state, it will wait for moving to Querier state and does not send out any
queries.
Indicates the time to wait before removing a Leave from a host upon receiving a Leave
request.
This value is calculated dynamically from the Queries received from the
network. If the Snooping Switch is in Querier state, then it is equal to the configured
value.
Indicates whether the IGMP Snooping Querier participates in querier election if it
discovers the presence of a querier in the VLAN.
The IP address will be used in the IPv4 header while sending out IGMP queries on this
VLAN. It can be configured using the appropriate command.
The version of IPv4 will be used while sending out IGMP queries on this VLAN.
Indicates the IP address of the most recent Querier from which a Query was received.
Indicates the IGMP version of the most recent Querier from which a Query was received
on this VLAN.