User guide

Contents
xiv OmniSwitch 6600 Family Network Configuration Guide April 2005
Chapter 18 Configuring VRRP .....................................................................................................18-1
In This Chapter ..............................................................................................................18-1
VRRP Specifications .....................................................................................................18-2
VRRP Defaults ..............................................................................................................18-2
Quick Steps for Creating a Virtual Router ....................................................................18-3
VRRP Overview ............................................................................................................18-4
Why Use VRRP? ....................................................................................................18-5
Definition of a Virtual Router ................................................................................18-5
VRRP MAC Addresses ..........................................................................................18-6
ARP Requests ..................................................................................................18-6
ICMP Redirects ...............................................................................................18-6
VRRP Startup Delay ..............................................................................................18-6
VRRP Tracking ......................................................................................................18-7
Interaction With Other Features ....................................................................................18-7
Configuration Overview ................................................................................................18-8
Basic Virtual Router Configuration .......................................................................18-8
Creating a Virtual Router .......................................................................................18-8
Specifying an IP Address for a Virtual Router ......................................................18-9
Configuring the Advertisement Interval ..............................................................18-10
Configuring Virtual Router Priority .....................................................................18-10
Setting Preemption for Virtual Routers ................................................................18-11
Enabling/Disabling a Virtual Router ....................................................................18-11
Setting VRRP Traps .............................................................................................18-12
Setting VRRP Startup Delay ................................................................................18-12
Creating Tracking Policies ...................................................................................18-13
Associating a Tracking Policy With a Virtual Router ..........................................18-13
Verifying the VRRP Configuration ............................................................................18-14
VRRP Application Example .......................................................................................18-15
VRRP Tracking Example .....................................................................................18-17
Chapter 19 Managing Authentication Servers ......................................................................19-1
In This Chapter ..............................................................................................................19-1
Authentication Server Specifications ............................................................................19-2
Server Defaults ..............................................................................................................19-3
RADIUS Authentication Servers ...........................................................................19-3
LDAP Authentication Servers ................................................................................19-3
Quick Steps For Configuring Authentication Servers ..................................................19-4
Server Overview ............................................................................................................19-5
Backup Authentication Servers ..............................................................................19-5
Authenticated Switch Access .................................................................................19-5
Authenticated VLANs ............................................................................................19-6
Port-Based Network Access Control (802.1X) ......................................................19-7
ACE/Server ...................................................................................................................19-8
Clearing an ACE/Server Secret ..............................................................................19-8