Router User Manual

Nortel Secure Router 8000 Series
Troubleshooting - VAS Contents
Issue 01.01 (30 March 2009) Nortel Networks Inc. i
Contents
3 Firewall troubleshooting ..........................................................................................................3-1
3.1 Firewall .........................................................................................................................................................3-2
3.2 Troubleshooting the firewall .........................................................................................................................3-2
3.2.1 Networking environment .....................................................................................................................3-3
3.2.2 Configuration notes..............................................................................................................................3-3
3.2.3 Diagnostic flowchart............................................................................................................................3-3
3.2.4 Troubleshooting procedures.................................................................................................................3-5
3.3 FAQs .............................................................................................................................................................3-6
3.4 Diagnostic tools.............................................................................................................................................3-6