Router User Manual

3 Firewall troubleshooting
Nortel Secure Router 8000 Series
Troubleshooting - VAS
3-6 Nortel Networks Inc. Issue 01.01 (30 March 2009)
Checking that the traffic behavior is correct
Run the display traffic behavior user-defined command in any view to check whether the
traffic behavior and the proper firewall action are configured.
Checking that the traffic policy is correct
Run the display traffic policy command in any view to check whether the correct action is
specified in the traffic classification.
Checking that the correct policy is applied on the interface
Run the display this command in the interface view to check that the correct traffic policy is
configured.
If you cannot resolve the problem, contact Nortel technical support.
3.3 FAQs
Q: Where can I apply the firewall?
A: The firewall can be applied to the HIC and the FIC, as well as the ingress and the egress.
3.4 Diagnostic tools
Command Description
display this
Displays the interface settings.
Used in the related interface view.
display this interface
Displays the detailed information about the
interface.
Used in the related interface view.
display traffic policy user-defined
[ policy-name [ classifier class-name ] ]
Displays the policy.
display traffic behavior user-defined
[ behavior-name ]
Displays the action.
display traffic classifier user-defined
[ class-name ]
Displays the class.
display acl
Displays the ACL.
display traffic policy interface
[ interface-type interface-number ]
[ inbound | outbound | pvc pvc-name ]
Displays all policies applied on the interface.
display traffic policy interface
[ interface-type interface-number ]
[ inbound | outbound | pvc pvc-name ]
Displays all policies applied on the ATM
interface.