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xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch CLI Reference Guide
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84-2 config ipmc_vlan_replication
Description
This command is used to configure the IP multicast VLAN replication global settings. Generally,
when a multicast packet is forwarded across VLANs, the TTL will be decreased by one. If
no_decrease is specified, the TTL will not be decreased. Similarly, it can be specified to replace a
source MAC address for a packet to be forwarded across VLANs.
Format
config ipmc_vlan_replication {[ttl [decrease | no_decrease] | src_mac [replace |
no_replace]]}(1)
Parameters
ttl - (Optional) Specifies whether to decrease the time to live value of the packet or not.
decrease - Specifies to decrease the time to live value of the packet.
no_decrease - Specifies not to decrease the time to live value of the packet.
src_mac - (Optional) Specifies whether to replace the source MAC address of a packet or not.
replace - Specifies to replace the source MAC address of a packet.
no_replace - Specifies not to replace the source MAC address of a packet.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To configure an IP multicast VLAN replication’s TTL:
DGS-3420-28SC:admin# config ipmc_vlan_replication ttl no_decrease
Command: config ipmc_vlan_replication ttl no_decrease
Success.
DGS-3420-28SC:admin#
84-3 config ipmc_vlan_replication_entry destination
Description
For the traffic that matches an IPMC VLAN replication entry, it will be replicated based on the
destination setting. Multiple destination entries can be defined for an IPMC VLAN replication entry.
Each destination entry specifies the VLAN and the outgoing port on which the traffic will be
replicated. The outgoing port must be a member port of the VLAN. Whether a packet egress to a
port is tagged or untagged will be determined by the VLAN setting.
Format
config ipmc_vlan_replication_entry destination <name 16> [add | delete] [vlan <vlan_name
32> | vlanid <vidlist>] ports <portlist>