DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
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Default
By default, this value is 2.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
The command is only available for VLAN interface configuration.
The robustness variable provides fine-tuning to allow for expected packet loss on an interface. The
value of the robustness variable is used in calculating the following MLD message intervals:
Group member interval
- Amount of time that must pass before a multicast router decides
there are no more members of a group on a network. This interval is calculated as follows:
(robustness variable x query interval) + (1 x query response interval).
Other querier present interval
- Amount of time that must pass before a multicast router
decides that there is no longer another multicast router that is the querier. This interval is
calculated as follows: (robustness variable x query interval) + (0.5 x query response interval).
Last listener query count
- The number of group-specific queries sent before the router
assumes there are no local listeners of a group. The default number is the value of the
robustness variable.
User can increase this value if a subnet is expected to be loose.
Example
This example shows how to configure the robustness variable to be 3 on interface VLAN 1000.
Switch# configure terminal
Switch(config)# vlan 1000
Switch(config-vlan)# ipv6 mld snooping robustness-variable 3
Switch(config-vlan)#
47-13
ipv6 mld snooping static-group
This command is used to configure an MLD snooping static group. Use the
no
form of this command
to delete a static group.
ipv6 mld snooping static-group IPV6-ADDRESS interface INTERFACE-ID [,|-]
no ipv6 mld snooping static-group IPV6-ADDRESS [interface INTERFACE-ID [,|-]]
Parameters
IPV6-ADDRESS
Specifies an IPv6 multicast group address.
interface INTERFACE-ID [,|-]
Specifies an interface or an interface list. No space is allowed
before and after the comma. The interface can be a physical
interface or a port-channel.
Default
No static-group is configured.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12.
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