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Brocade BigIron RX Series Configuration Guide User Manual

Page 24

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xxiv

BigIron RX Series Configuration Guide

53-1002484-04

Displaying OSPF information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .794

Displaying general OSPF configuration information . . . . . . . .795
Displaying CPU utilization and other OSPF tasks. . . . . . . . . . .796
Displaying OSPF area information . . . . . . . . . . . . . . . . . . . . . .797
Displaying OSPF neighbor information . . . . . . . . . . . . . . . . . . .798
Displaying OSPF interface information. . . . . . . . . . . . . . . . . . .799
Displaying OSPF route information . . . . . . . . . . . . . . . . . . . . . .801
Displaying OSPF external link state Information . . . . . . . . . . .803
Displaying OSPF database link state information . . . . . . . . . .804
Displaying OSPF ABR and ASBR information . . . . . . . . . . . . . .805
Displaying OSPF trap status . . . . . . . . . . . . . . . . . . . . . . . . . . .806
Displaying OSPF virtual neighbor and link information . . . . . .806
OSPF graceful restart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .808

Chapter 27

Configuring BGP4 (IPv4 and IPv6)

Overview of BGP4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .814

Relationship between the BGP4 route table and the IP route table
815
How BGP4 selects a path for a route . . . . . . . . . . . . . . . . . . . .816
BGP4 message types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 817

Brocade implementation of BGP4 . . . . . . . . . . . . . . . . . . . . . . . . . .819

Memory considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .820

Configuring BGP4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .820

When parameter changes take effect . . . . . . . . . . . . . . . . . . .824

Activating and disabling BGP4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .825

Note regarding disabling BGP4. . . . . . . . . . . . . . . . . . . . . . . . .826

Entering and exiting the address family configuration level . . . . .826

Filtering specific IP addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . .827

Defining an AS-path filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .828

Defining a community filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .829

Configuring a switch to allow routes with its own AS number . . . .830

BGP Null0 routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .830

Aggregating routes advertised to BGP4 neighbors. . . . . . . . . . . . .834

Configuring the device to always compare MEDs . . . . . . . . . . . . . .835

Disabling or re-enabling comparison of the
AS-path length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
836

Redistributing IBGP routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .836

Disabling or re-enabling client-to-client route reflection. . . . . . . . .836

Configuring a route reflector. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .837

Enabling or disabling comparison of the router IDs . . . . . . . . . . . .837

Configuring confederations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .837

Configuring route flap dampening . . . . . . . . . . . . . . . . . . . . . . . . . .840

Originating the default route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .841