
Contents
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Cisco PIX Firewall and VPN Configuration Guide
78-15033-01
SNMP Usage Notes 9-43
SNMP Traps 9-44
Receiving Requests and Sending Syslog Traps 9-44
Compiling Cisco Syslog MIB Files 9-45
Using the Firewall and Memory Pool MIBs 9-46
ipAddrTable Notes 9-46
Viewing Failover Status 9-47
Verifying Memory Usage 9-48
Viewing The Connection Count 9-49
Viewing System Buffer Usage 9-50
CHAPTER
10 Using PIX Firewall Failover 10-1
Failover System Requirements 10-2
Understanding Failover 10-3
Overview 10-3
Network Connections 10-4
Failover and State Links 10-4
Failover Link 10-4
State Link 10-5
Primary and Secondary Vs. Active and Standby 10-6
Configuration Replication 10-6
Failover Triggers 10-7
Failover Configuration Prerequisites 10-8
Configuring Switches to Support Failover 10-8
Preconfiguring the PIX Firewall for Failover 10-9
Configuring Cable-Based Failover 10-9
Configuring LAN-Based Failover 10-11
Configuring the Primary Unit 10-12
Configuring the Secondary Unit 10-15
Verifying the Failover Configuration 10-16
Using the Show Failover Command 10-17
Testing the Failover Functionality 10-19
Forcing Failover 10-20
Disabling Failover 10-20
Monitoring Failover 10-20
Failover Syslog Messages 10-21
SNMP 10-21
Debugging Command 10-21
ACTIVE Light 10-21
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