Reference Guide
Use the show version command to view the currently running software version.
How can I troubleshoot SNMP operation?
Use the show ip traffic command to view IP and ICMP statistics.
Access control lists
How do I setup lters to deny or permit packets from on IPv4 or IPv6 address?
Use the deny or permit commands to create ACL lters.
How do I clear access-list counters?
Use the clear ip access-list counters, clear ipv6 access-list counters, or clear mac access-list
counters commands.
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 access-group and show 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
Troubleshoot OS10
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