User guide

IGMP Snooping command reference IGMP snooping
3-31
iMG/RG Software Reference Manual (IGMP)
Example --> igmp set queryresponseintvl 20
See also IGMP SET QUERYINTVL
3.1.5.1.27 IGMP SET ROBUSTNESS
Syntax IGMP SET ROBUSTNESS < robustness >
Description This command sets the value for the network robustness, allowing tuning based upon
expected packet loss on the network. This robustness value will modify the time, in
proxy mode only, between the leave on the LAN facing network and the leave being sent
on the WAN facing network will be robustness times the lastmemberqueryintvl.
Options The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Example --> igmp set robustness 3
3.1.5.1.28 IGMP SET UPSTREAMINTERFACE
Syntax IGMP SET UPSTREAMINTERFACE < ip_interface|none >
Description This command enables the router’s IGMP Proxy, and sets one of the router’s existing IP
interfaces as teh upstream interface; all other router interfaces are designated down-
stream interfaces. The upstream interface implements the Host portion of the IGMP pro-
tocol, and the downstream interfaces implement the Router portion of the IGMP
protocol. The IGMP Proxy may be disabled by setting the upstream interface to none.
Options The following table gives the range of values for each option that can be specified with
this command and a default value (if applicable).
Option Description Default value
queryresponseintvl The query response interval value in seconds.
Query response interval cannot be greater than or
equal to the query interval. Valid range is 1 to 254.
10
Option Description Default value
robustness The the robustness variable value is a retry count
for IGMP packet transmissions. Valid range is 2 to
255.
2