Configuring ipv6 – Dell POWEREDGE M1000E User Manual

Page 1010

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39-10

Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide

OL-13270-03

Chapter 39 Configuring IPv6 Unicast Routing

Configuring IPv6

These are the functions of IPv6 stack master and members:

•

Stack master:

–

runs IPv6 routing protocols

–

generates routing tables

–

distributes CEFv6 routing tables to stack members that use dCEFv6

–

runs IPv6 host functionality and IPv6 applications

•

Stack member (must be running the IP services feature set):

–

receives CEFv6 routing tables from the stack master

–

programs the routes into hardware

Note

IPv6 packets are routed in hardware across the stack if the packet does not have exceptions
(IPv6Options) and the switches in the stack have not run out of hardware resources.

–

flushes the CEFv6 tables on master re-election

With IPv4 unicast routing, if the stack detects that the stack master is down and elects one of the stack
members the new stack master, except for a momentary interruption, the hardware continues to forward
packets with no active protocols. With IPv6, the switch does not continue forwarding packets. On
election of a new stack master, the stack might need up to 60 seconds to recover all routes and resume
forwarding traffic.

IPv6 host functionality is supported on the stack master, and all IPv6 applications run on the stack
master.

Configuring IPv6

These sections contain this IPv6 forwarding configuration information:

•

Default IPv6 Configuration, page 39-11

•

Configuring IPv6 Addressing and Enabling IPv6 Host Functions or Routing, page 39-11

•

Configuring Default Router Preference, page 39-13

•

Configuring IPv4 and IPv6 Protocol Stacks, page 39-14

•