Contents
December 2005 © Foundry Networks, Inc. xv
ENABLE ROUTE REDISTRIBUTION ......................................................................................................20-27
D
ISABLE OR RE-ENABLE LOAD SHARING ...........................................................................................20-29
C
ONFIGURE EXTERNAL ROUTE SUMMARIZATION ...............................................................................20-30
C
ONFIGURE DEFAULT ROUTE ORIGINATION .......................................................................................20-31
M
ODIFY SPF TIMERS .......................................................................................................................20-32
M
ODIFY REDISTRIBUTION METRIC TYPE ............................................................................................20-32
M
ODIFY ADMINISTRATIVE DISTANCE ..................................................................................................20-32
C
ONFIGURE OSPF GROUP LINK STATE ADVERTISEMENT (LSA) PACING ...........................................20-33
M
ODIFY OSPF TRAPS GENERATED ..................................................................................................20-34
M
ODIFY OSPF STANDARD COMPLIANCE SETTING .............................................................................20-35
M
ODIFY EXIT OVERFLOW INTERVAL ..................................................................................................20-35
C
ONFIGURING AN OSPF POINT-TO-POINT LINK .................................................................................20-35
S
PECIFY TYPES OF OSPF SYSLOG MESSAGES TO LOG ....................................................................20-36
D
ISPLAYING OSPF INFORMATION ............................................................................................................20-36
D
ISPLAYING GENERAL OSPF CONFIGURATION INFORMATION ............................................................20-37
D
ISPLAYING CPU UTILIZATION STATISTICS ........................................................................................20-37
D
ISPLAYING OSPF AREA INFORMATION ............................................................................................20-39
D
ISPLAYING OSPF NEIGHBOR INFORMATION ....................................................................................20-39
D
ISPLAYING OSPF INTERFACE INFORMATION ....................................................................................20-42
D
ISPLAYING OSPF ROUTE INFORMATION ..........................................................................................20-43
D
ISPLAYING OSPF EXTERNAL LINK STATE INFORMATION ..................................................................20-45
D
ISPLAYING OSPF LINK STATE INFORMATION ...................................................................................20-46
D
ISPLAYING THE DATA IN AN LSA .....................................................................................................20-47
D
ISPLAYING OSPF VIRTUAL NEIGHBOR INFORMATION .......................................................................20-47
D
ISPLAYING OSPF VIRTUAL LINK INFORMATION ................................................................................20-48
D
ISPLAYING OSPF ABR AND ASBR INFORMATION ...........................................................................20-48
D
ISPLAYING OSPF TRAP STATUS .....................................................................................................20-48
CHAPTER 21
C
ONFIGURING BGP4 ................................................................................ 21-1
OVERVIEW OF BGP4 ................................................................................................................................21-2
R
ELATIONSHIP BETWEEN THE BGP4 ROUTE TABLE AND THE IP ROUTE TABLE ....................................21-3
H
OW BGP4 SELECTS A PATH FOR A ROUTE .......................................................................................21-4
BGP4 M
ESSAGE TYPES .....................................................................................................................21-5
B
ASIC CONFIGURATION AND ACTIVATION FOR BGP4 .................................................................................21-6
N
OTE REGARDING DISABLING BGP4 ..................................................................................................21-7
BGP4 P
ARAMETERS .................................................................................................................................21-7
W
HEN PARAMETER CHANGES TAKE EFFECT .......................................................................................21-8
M
EMORY CONSIDERATIONS .......................................................................................................................21-9
M
EMORY CONFIGURATION OPTIONS OBSOLETED BY DYNAMIC MEMORY ............................................21-10
B
ASIC CONFIGURATION TASKS ................................................................................................................21-10
E
NABLING BGP4 ON THE ROUTER ....................................................................................................21-10
C
HANGING THE ROUTER ID ..............................................................................................................21-11
S
ETTING THE LOCAL AS NUMBER .....................................................................................................21-11
A
DDING A LOOPBACK INTERFACE ......................................................................................................21-11
A
DDING BGP4 NEIGHBORS ..............................................................................................................21-12