D-Link DXS-3400 Emulator - Page 662

ignore-vlan, forward-unmatched

Page 662 highlights

DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch CLI Reference Guide ignore-vlan packet will be forwarded or dropped based on this setting. By default, the packet will be dropped. Specifies the setting for tagged IGMP or MLD control packets. If enabled, then the packet's VLAN is ignored and taken to match the profile to find its multicast VLAN. When this option is enabled, the switch will ignore the VLAN of the receiving IGMP or MLD control packet and try to find a match profile. Default Forward-unmatched is disabled. Ignore VLAN is disabled. Command Mode Global Configuration Mode. Command Default Level Level: 12. Usage Guideline If the untagged IGMP/MLD report/leave/done packets are received by the receiver port, the packets will be matched against the group profile defined for the multicast VLANs that the receiver port belongs to and classified to the matched multicast VLAN. If the packet is matched, then the port will be taken into subsequent group learning process with the matched multicast VLAN. If there is no match against all multicast VLANs and if the VLAN associated with the packet happens to be a multicast VLAN, the IGMP/MLD packet can be either dropped or flooded to VLAN member ports depending on the setting of this command. If forward-unmatched is disabled, then the packet is dropped. If forward-unmatched is enabled, then the packet is flooded. If there are no matches against all multicast VLANs and the packet's VLAN is not configured as the multicast VLAN, then the IGMP/MLD packet will not be handled by multicast VLAN. If the IGMP/MLD report/leave/done packet received by the receiver port is tagged, then the handling is different based on setting of the ignore-vlan parameters. If packet VLAN is a multicast VLAN and the packet matches the group profile of the VLAN, then the packet will be taken into the subsequent group learning process. If there is no match, then the packet will be handled based on forward-unmatched setting. If packet VLAN is not a multicast VLAN, then the packet will not be handled by the multicast VLAN. If the packet's VLAN is IGMP/MLD snooping enabled, the packet will be processed by IGMP/MLD snooping, or else the packet's VLAN is ignored and taken to match the group profile of multicast VLANs associated with the receive port. If there is a match, then the packet will be taken into the subsequent group learning process with the matched multicast VLAN. If there is no match but the packet's VLAN is a multicast VLAN, then the packet will be handled based on the forward-unmatched setting. If the packet VLAN is not a multicast VLAN, then the packet will not be handled by multicast VLAN. Example This example shows how to enable the forward unmatched and ignore VLAN setting. Switch# configure terminal Switch(config)# mvlan forward-unmatched Switch(config)# mvlan ignore-vlan Switch(config)# 658

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DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch CLI Reference Guide
658
packet will be forwarded or dropped based on this setting. By default, the packet
will be dropped.
ignore-vlan
Specifies the setting for tagged IGMP or MLD control packets. If enabled, then the
packet’s VLAN is ignored and taken to match the profile to find its multicast VLAN.
When this option is enabled, the switch will ignore the VLAN of the receiving IGMP
or MLD control packet and try to find a match profile.
Default
Forward-unmatched is disabled.
Ignore VLAN is disabled.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
If the untagged IGMP/MLD report/leave/done packets are received by the receiver port, the packets will be
matched against the group profile defined for the multicast VLANs that the receiver port belongs to and classified
to the matched multicast VLAN. If the packet is matched, then the port will be taken into subsequent group learning
process with the matched multicast VLAN.
If there is no match against all multicast VLANs and if the VLAN associated with the packet happens to be a
multicast VLAN, the IGMP/MLD packet can be either dropped or flooded to VLAN member ports depending on the
setting of this command. If
forward-unmatched
is disabled, then the packet is dropped. If
forward-unmatched
is
enabled, then the packet is flooded.
If there are no matches against all multicast VLANs and the packet’s VLAN is not configured as the multicast VLAN,
then the IGMP/MLD packet will not be handled by multicast VLAN.
If the IGMP/MLD report/leave/done packet received by the receiver port is tagged, then the handling is different
based on setting of the
ignore-vlan
parameters.
If packet VLAN is a multicast VLAN and the packet matches the group profile of the VLAN, then the packet will be
taken into the subsequent group learning process. If there is no match, then the packet will be handled based on
forward-unmatched
setting. If packet VLAN is not a multicast VLAN, then the packet will not be handled by the
multicast VLAN.
If the packet’s VLAN is IGMP/MLD snooping enabled, the packet will be processed by IGMP/MLD snooping, or
else the packet’s VLAN is ignored and taken to match the group profile of multicast VLANs associated with the
receive port. If there is a match, then the packet will be taken into the subsequent group learning process with the
matched multicast VLAN. If there is no match but the packet’s VLAN is a multicast VLAN, then the packet will be
handled based on the
forward-unmatched
setting. If the packet VLAN is not a multicast VLAN, then the packet
will not be handled by multicast VLAN.
Example
This example shows how to enable the forward unmatched and ignore VLAN setting.
Switch# configure terminal
Switch(config)# mvlan forward-unmatched
Switch(config)# mvlan ignore-vlan
Switch(config)#