This section provides background information
and guidance related to features where problems have been reported. With this guidance,
you should be able to avoid many potential problems.
Section contents:
ACL limits issues If you keep within the supported limits of ACL usage as shown in the table below, you are unlikely to run into system limits issues. ACLs should instantiate quickly and correctly.
Avoiding oversubscription Under certain congestion conditions, you may observe incrementing packet drops representing "tail-drops" in the output of the show interface stats brief command.
Licensing When a licensed feature does not work, one likely cause is a license issue.
Load balancing distribution Understanding issues related to load balancing requires some basic knowledge of the criteria used by load balancing algorithms.
Selecting the MTU To avoid incompatible adjacencies among network devices, make sure that the maximum transmission unit (MTU) is identical on all network devices.