HP 6125XLG R2306-HP 6125XLG Blade Switch IP Multicast Command Reference - Page 111

Default, Views, Predefined user roles, Parameters, Usage guidelines, Examples, Related commands

Page 111 highlights

Default No global IPv6 multicast group filter is configured. A host can join any valid IPv6 multicast group. Views MLD-snooping view Predefined user roles network-admin Parameters acl6-number: Specifies a basic or advanced IPv6 ACL by its number, in the range of 2000 to 3999. A host can join only IPv6 multicast groups that match the permit statement in the specified ACL. The source addresses in the basic IPv6 rule are the IPv6 multicast group addresses specified in MLD reports. The source and destination addresses in the advanced IPv6 ACL rule are IPv6 multicast source addresses and multicast group addresses specified in MLD reports, respectively. The system assumes that 0::0 is the multicast source address of an MLDv1 report or an MLDv2 IS_EX and TO_EX report that does not carry an IPv6 multicast source address. The source address or address range specified in the advanced ACL rule matches the IPv6 multicast source addresses specified in the MLD reports, rather than the source address in the IPv6 packets. The system assumes that the source address of an MLDv1 report or an MLDv2 IS_EX or TO_EX report that does not carry a multicast source address is 0::0. vlan vlan-list: Specifies a space-separated list of up to ten VLAN items. Each item specifies a VLAN by its ID or a range of VLANs in the form of start-vlan-id to end-vlan-id. The VLAN ID is in the range of 1 to 4094. If this option is not specified, this command takes effect for all VLANs. Usage guidelines If the specified ACL does not exist or the ACL rule is null, all IPv6 multicast groups are filtered out. You can configure different ACL rules on a port in different VLANs. However, for a given VLAN, a newly configured ACL rule overrides the existing one. This configuration is effective on the IPv6 multicast groups that the port dynamically joins. If you configure the port as a static member port for an IPv6 multicast group, this configuration is not effective on the IPv6 multicast group. The global configuration is effective on all ports, but has a lower priority than the configuration made on a specific port. Examples # Apply ACL 2000 as an IPv6 multicast group filter for VLAN 2 so that the hosts in this VLAN can join only the multicast group FF03::101. system-view [Sysname] acl ipv6 number 2000 [Sysname-acl6-basic-2000] rule permit source ff03::101 128 [Sysname-acl6-basic-2000] quit [Sysname] mld-snooping [Sysname-mld-snooping] group-policy 2000 vlan 2 Related commands mld-snooping group-policy 105

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105
Default
No global IPv6 multicast group filter is configured. A host can join any valid IPv6 multicast group.
Views
MLD-snooping view
Predefined user roles
network-admin
Parameters
acl6-number
: Specifies a basic or advanced IPv6 ACL by its number, in the range of 2000 to 3999. A
host can join only IPv6 multicast groups that match the
permit
statement in the specified ACL. The source
addresses in the basic IPv6 rule are the IPv6 multicast group addresses specified in MLD reports. The
source and destination addresses in the advanced IPv6 ACL rule are IPv6 multicast source addresses and
multicast group addresses specified in MLD reports, respectively. The system assumes that 0::0 is the
multicast source address of an MLDv1 report or an MLDv2 IS_EX and TO_EX report that does not carry
an IPv6 multicast source address.
The source address or address range specified in the advanced ACL rule matches the IPv6 multicast
source addresses specified in the MLD reports, rather than the source address in the IPv6 packets. The
system assumes that the source address of an MLDv1 report or an MLDv2 IS_EX or TO_EX report that
does not carry a multicast source address is 0::0.
vlan
vlan-list
: Specifies a space-separated list of up to ten VLAN items. Each item specifies a VLAN by
its ID or a range of VLANs in the form of
start-vlan-id
to
end-vlan-id
. The VLAN ID is in the range of 1 to
4094. If this option is not specified, this command takes effect for all VLANs.
Usage guidelines
If the specified ACL does not exist or the ACL rule is null, all IPv6 multicast groups are filtered out.
You can configure different ACL rules on a port in different VLANs. However, for a given VLAN, a newly
configured ACL rule overrides the existing one.
This configuration is effective on the IPv6 multicast groups that the port dynamically joins. If you configure
the port as a static member port for an IPv6 multicast group, this configuration is not effective on the IPv6
multicast group.
The global configuration is effective on all ports, but has a lower priority than the configuration made on
a specific port.
Examples
# Apply ACL 2000 as an IPv6 multicast group filter for VLAN 2 so that the hosts in this VLAN can join
only the multicast group FF03::101.
<Sysname> system-view
[Sysname] acl ipv6 number 2000
[Sysname-acl6-basic-2000] rule permit source ff03::101 128
[Sysname-acl6-basic-2000] quit
[Sysname] mld-snooping
[Sysname-mld-snooping] group-policy 2000 vlan 2
Related commands
mld-snooping group-policy