3Com S7902E Command Reference Manual - page 1152
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mask-length
: Subnet mask length of the multicast group address, in the range of 4 to 32.
source-address
: Specifies a multicast source by its IP address.
all
: Removes all IGMP SSM mappings.
Description
Use the
ssm-mapping
command to configure an IGMP SSM mapping.
Use the
undo ssm-mapping
command to remove one or all IGMP SSM mappings.
By default, no IGMP SSM mappings are configured.
Related commands:
igmp ssm-mapping enable
,
display igmp ssm-mapping
.
Examples
# Configure an IGMP SSM mapping in the public instance for multicast groups in the range of
225.1.1.0/24 and multicast source 125.1.1.1.
[Sysname] igmp
[Sysname-igmp] ssm-mapping 225.1.1.0 24 125.1.1.1
startup-query-count (IGMP view)
Syntax
startup-query-count
value
undo startup-query-count
View
Public instance IGMP view, VPN instance IGMP view
Default Level
2: System level
Parameters
value
: Startup query count, namely, the number of queries the IGMP querier sends on startup, with an
effective range of 2 to 5.
Description
Use the
startup-query-count
command to configure the startup query count globally.
Use the
undo startup-query-count
command to restore the system default.
By default, the startup query count is set to the IGMP querier robustness variable.
By default, the IGMP querier robustness variable is 2, so the startup query count is also 2.
Related commands:
igmp startup-query-count
,
robust-count
.