Default Mldv2 Snooping Configuration; Mldv2 Snooping Configuration Guidelines And Restrictions - Cisco 7604 Configuration Manual
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Default MLDv2 Snooping Configuration
Default MLDv2 Snooping Configuration
Table 29-3
Table 29-3 MLDv2 Snooping Default Configuration
Feature
MLDv2 snooping querier
MLDv2 snooping
Multicast routers
MLDv2 report suppression
MLDv2 snooping router learning
method
Fast-Leave Processing
MLDv2 Explicit Host Tracking
MLDv2 Snooping Configuration Guidelines and Restrictions
When configuring MLDv2 snooping, follow these guidelines and restrictions:
•
•
•
•
•
•
•
MLDv2 Snooping Querier Configuration Guidelines and
Restrictions
When configuring the MLDv2 snooping querier, follow these guidelines and restrictions:
•
•
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
29-8
shows the default MLDv2 snooping configuration.
MLDv2 is derived from Internet Group Management Protocol version 3 (IGMPv3). MLDv2
protocol operations and state transitions, host and router behavior, query and report message
processing, message forwarding rules, and timer operations are exactly same as IGMPv3. See
draft-vida-mld-v2.02.txt for detailed information on MLDv2 protocol.
MLDv2 protocol messages are Internet Control Message Protocol version 6 (ICMPv6) messages.
MLDv2 message formats are almost identical to IGMPv3 messages.
IPv6 multicast for Cisco IOS software uses MLD version 2. This version of MLD is fully
backward-compatible with MLD version 1 (described in RFC 2710). Hosts that support only MLD
version 1 interoperate with a router running MLD version 2. Mixed LANs with both MLD version
1 and MLD version 2 hosts are supported.
MLDv2 snooping supports private VLANs. Private VLANs do not impose any restrictions on
MLDv2 snooping.
MLDv2 snooping constrains traffic in MAC multicast groups 0100.5e00.0001 to 0100.5eff.ffff.
MLDv2 snooping does not constrain Layer 2 multicasts generated by routing protocols.
Configure the VLAN in global configuration mode (see
Configure an IPv6 address on the VLAN interface (see
Interfaces"). When enabled, the MLDv2 snooping querier uses the IPv6 address as the query source
address.
Chapter 29
Configuring MLDv2 Snooping for IPv6 Multicast Traffic
Default Values
Disabled
Enabled
None configured
Enabled
Learned automatically through PIM or MLDv2 packets
Enabled
Enabled
Chapter 14, "Configuring
Chapter 22, "Configuring Layer 3
VLANs").
OL-4266-08
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