3Com Switch 8800 Advanced Software V5 Configuration Guide

682 CHAPTER 46: IPV6 PIM CONFIGURATION
Configuration
Prerequisites
Before configuring IPv6 PIM-DM, complete the following task:
■ Configure any IPv6 unicast routing protocol so that all devices in the domain
are interoperable at the network layer.
Before configuring IPv6 PIM-DM, prepare the following data:
■ The interval between state refresh messages
■ Minimum time to wait before receiving a new refresh message
■ TTL value of state refresh messages
■ Graft retry period
Enabling IPv6 PIM-DM An IPv6 PIM-DM enabled device sends hello messages periodically to discover IPv6
PIM neighbors and processes messages from IPv6 PIM neighbors. When deploying
an IPv6 PIM-DM domain, you are recommended to enable IPv6 PIM-DM on all
interfaces of non-border devices (border devices are IPv6 PIM routers or IPv6
routing switches located on the boundary of BSR admin-scope regions).
Follow these steps to enable IPv6 PIM-DM:
c
CAUTION:
■ All the interfaces of the same device must work in the same IPv6 PIM mode.
■ After IPv6 PIM-DM is enabled on a VLAN interface, MLD snooping cannot be
enabled in the corresponding VLAN, and vice versa.
Enabling State Refresh An interface without the state refresh capability cannot forward state refresh
messages.
Follow these steps to enable state refresh:
“Configuring IPv6 PIM-DM Graft Retry Period” on page 683 Optional
“Configuring IPv6 PIM Common Information” on page 691 Optional
Task Remarks
To do... Use the command... Remarks
Enter system view system-view -
Enable IPv6 multicast routing multicast ipv6
routing-enable
Required
Disable by default
Enter VLAN interface view interface interface-type
interface-number
-
Enable IPv6 PIM-DM pim ipv6 dm Required
Disabled by default
To do... Use the command... Remarks
Enter system view system-view -
Enter VLAN interface view interface interface-type
interface-number
-