Connectivity Guide
How do I setup lters to automatically assign sequencer numbers for specic addresses?
Use the seq deny or seq permit commands for specic packet ltering.
How do I view access-list and access-group information?
Use the show {ip | mac | ipv6} access-group and show {ip | mac | ipv6} access-list commands.
Quality of service
What are the QoS error messages?
Flow control error messages:
• Error: priority-flow-control mode is on, disable pfc mode to enable LLFC
• % Warning: Make sure all qos-groups are matched in a single class in attached policy-map
Priority ow control mode error message:
% Error: LLFC flowcontrol is on, disable LLFC to enable PFC
PFC shared-buer size error message:
% Error: Hardware update failed.
Pause error message:
% Error: Buffer-size should be greater than Pause threshold and Pause threshold should be
greater than equal to Resume threshold.
PFC cost of service error messages:
• % Error: Not enough buffers are available, to enable system-qos wide pause for all pfc-cos
values in the policymap
• % Error: Not enough buffers are available, to enable system-qos wide pause for the pfc-cos
values in the policymap
• % Error: Not enough buffers are available, to enable pause for all pfc-cos values in the
policymap for this interface
• % Warning: Not enough buffers are available, for lossy traffic. Expect lossy traffic drops,
else reconfigure the pause buffers
Monitoring
How can I check if SupportAssist is enabled?
Use the show support-assist status command to view current conguration information.
How can I view a list of alarms?
Use the show alarms details to view a list of all system alarms.
How do I enable or disable system logging?
Use the logging enable command or the logging disable command.
How do I view system logging messages?
Troubleshoot OS10
1201