Require-Router-Alert (Igmp View); Reset Igmp Group - HP 6125G Command Reference Manual

require-router-alert (IGMP view)

Syntax
require-router-alert
undo require-router-alert
View
IGMP view
Default level
2: System level
Parameters
None
Description
Use require-router-alert to configure the router globally to discard IGMP messages that do not carry the
Router-Alert option.
Use undo require-router-alert to restore the default.
By default, the switch does not check the Router-Alert option but passes all the IGMP messages that it
received to the upper layer protocol for processing.
Related commands: igmp require-router-alert and send-router-alert.
Examples
# Configure the router to discard IGMP messages that do not carry the Router-Alert option globally.
<Sysname> system-view
[Sysname] igmp
[Sysname-igmp] require-router-alert

reset igmp group

Syntax
reset igmp group { all | interface interface-type interface-number { all | group-address [ mask { mask |
mask-length } ] [ source-address [ mask { mask | mask-length } ] ] } }
View
User view
Default level
2: System level
Parameters
all: Specifies all interfaces (the first all) or all IGMP groups (the second all).
interface interface-type interface-number: Specifies an interface by its type and number.
group-address: Multicast group address, in the range of 224.0.0.0 to 239.255.255.255.
source-address: Multicast source address.
mask: Subnet mask of the multicast group address or multicast source address, 255.255.255.255 by
default.
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