Cisco 7604 Configuration Guide - Page 601
Troubleshooting the Firewall Services Module, Testing Your Configuration
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26 C H A P T E R Troubleshooting the Firewall Services Module This chapter describes how to troubleshoot the FWSM, and includes the following sections: • Testing Your Configuration, page 26-1 • Reloading the FWSM, page 26-6 • Performing Password Recovery, page 26-6 • Other Troubleshooting Tools, page 26-7 • Common Problems, page 26-10 Testing Your Configuration This section describes how to test connectivity for the single mode FWSM or for each security context. The following steps describe how to ping the FWSM interfaces, and how to allow hosts on one interface to ping through to hosts on another interface. We recommend that you only enable pinging and debug messages during troubleshooting. When you are done testing the FWSM, follow the steps in the "Disabling the Test Configuration" section on page 26-5. This section includes: • Enabling ICMP Debug Messages and System Log Messages, page 26-1 • Pinging FWSM Interfaces, page 26-2 • Pinging Through the FWSM, page 26-4 • Disabling the Test Configuration, page 26-5 Enabling ICMP Debug Messages and System Log Messages Debug messages and system log messages can help you troubleshoot why your pings are not successful. The FWSM only shows ICMP debug messages for pings to the FWSM interfaces, and not for pings through the FWSM to other hosts. To enable debugging and system log messages, perform the following steps: Step 1 Step 2 To show ICMP packet information for pings to the FWSM interfaces, enter the following command: hostname(config)# debug icmp trace To set system log messages to be sent to Telnet or SSH sessions, enter the following command: hostname(config)# logging monitor debug OL-20748-01 Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM 26-1
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