Release Notes

491 | ipv6 mld Dell Networking W-Series ArubaOS 6.4.x| Reference Guide
ipv6 mld
ipv6 mld
query-interval
query-response-interval
robustness-variable
ssm-range
Description
This command configures the IPv6 MLD (Multi-listener discovery) parameters.
Syntax
Parameter Description
query-interval
Specify the time interval in seconds (1-65535) between general queries sent
by the querier. The default value is 125 seconds.
By varying this value, you can tune the number of MLD messages on the link;
larger values cause MLD queries to be sent less often.
query-response-interval
Specify the maximum response delay in deciseconds (1/10 seconds) that can
be inserted into the periodic general queries. The default value is 100
deciseconds.
By varying this value, you can tune the burstiness of MLD messages on the
link; larger values make the traffic less bursty, as node responses are spread
out over a larger interval.
NOTE: The number of seconds represented by this value must be less than
the query interval.
robustness-variable
Specify a value between 2 to 10. The default value is 2. The robustness
variable allows you to tune for the expected packet loss on a link. If a link is
expected to be lossy, you can increase this value.
NOTE: You must not configure the robustness variable as 0 or 1.
ssm-range
Specify the source specific multicast IPv6 range. This variable allows you to
configure a valid multicast IPv6 address range for which SSM semantics needs
to be applied.The default IPv6 SSMaddress range is FF3X::4000:1 –
FF3X::FFFF:FFFF.
Usage Guidelines
You can modify the default values of the MLD parameters for IPv6 MLD snooping. You must enable IPv6 MLD
snooping for these values to take effect. For more information on enabling IPv6 MLD snooping, see interface
vlan on page 424.
Example
The following command configures the query interval of 200 seconds for IPv6 MLD snooping:
(host) (config) #ipv6 mld
(host) (config-mld) # query-interval 200