124
MES1000, MES2000 Ethernet Switches
5.18.3
MLD snooping
—
multicast traffic control protocol for IPv6 networks
MLD snooping is a message multicasting mechanism, that allows to minimize the amount of
multicast traffic in IPv6 networks.
Global configuration mode commands
Command line request in global configuration mode appears as follows:
console(config)#
Table 5.124 —Global configuration mode commands
Command
Value
Action
ipv6 mld snooping
[vlan
vlan_id
]
vlan_id: 1..4094/ disable
Enable MLD snooipng.
no ipv6 mld snooping
[vlan
vlan_id
]
Disable MLD snooping.
ipv6 mld snooping vlan
vlan_id
static
ipv6_address
[interface
{ gigabitethernet
gi_port
|
fastethernet
fa_port
|port-
channel
group
}]
vlan_id: (1-4094)
gi_port: (1..3/0/1..28);
fa_port: (1..3/0/1..24);
group: (1..8)
Register multicast IPv6 address in the multicast addressing
table and statically add/remove group interfaces for the
current VLAN.
- ipv6_address
—multicast IPv6 address
Interface listing should be delimited with '–' and ','.
no ipv6 mld snooping vlan
vlan_id
static
ipv6_address
[interface
{ gigabitethernet
gi_port
|
fastethernet
fa_port
|port-
channel
group
}]
Remove multicast IP address from the table.
ipv6 mld snooping vlan
vlan_id
forbidden mrouter
interface
{gigabitethernet
gi_port
|
fastethernet
fa_port
|port-
channel
group
}
vlan_id: (1..4094);
gi_port: (1..3/0/1..28);
fa_port: (1..3/0/1..24);
group: (1..8)
Add the rule, that denies registration of MLD router ports from
the list.
no ipv6 mld snooping vlan
vlan_id
forbidden mrouter
interface
{gigabitethernet
gi_port
|
fastethernet
fa_port
|port-
channel
group
}
Remove the rule, that denies registration of MLD router ports
from the list.
ipv6 mld snooping vlan
vlan_id
mrouter learn pim-
dvmrp
-/enabled
Learn ports, connected to mrouter with MLD-query packets.
no ipv6 mld snooping vlan
vlan_id
mrouter learn pim-
dvmrp
Do not learn ports, connected to mrouter with MLD-query
packets.
ipv6 mld snooping vlan
vlan_id
mrouter interface {
gigabitethernet
gi_port
|
fastethernet
fa_port
|port-
channel
group
}
vlan_id: (1 .. 4094);
gi_port: (1..3/0/1..28);
fa_port: (1..3/0/1..24);
group: (1..8)
Add the list of mrouter ports.
no ipv6 mld snooping vlan
vlan_id
mrouter interface {
gigabitethernet
gi_port
|
fastethernet
fa_port
|port-
channel
group
}
Remove mrouter ports.
Ipv6 mld snooping vlan
vlan_id
immediate-leave
vlan_id: 1..4094/disable
Enable MLD Snooping Immediate-Leave process for the
current VLAN.