Cisco WS-C2960S-24PD-L Software Guide - Page 273

Chapter 9 Troubleshooting Avoiding Configuration Conflicts Avoiding Configuration Conflicts Certain combinations of port features conflict with one another. For example, if you define a port as the network port for a VLAN, all unknown unicast and multicast traffic is flooded to the port. You could not enable port security on the network port because a secure port limits the traffic allowed on it. In Table 9-5, no means that the two features are incompatible and that both should not be enabled; yes means that both can be enabled at the same time and will not cause an incompatibility conflict. If you try to enable incompatible features by using CMS, CMS issues a warning message that you are configuring a setting that is incompatible with another setting, and the switch does not save the change. Table 9-5 Conflicting Features ATM Port1 Port Group Connect Port SPAN Multi-VLAN Network to Security Port Port Port Cluster? ATM Port Port Group N/A No No - No No No No No Yes No Yes Yes2 Yes Port Security SPAN Port No No No3 No - No No No - No No Yes No Yes Multi-VLAN Port No Network Port No Yes No Yes (source-based only) No No - No Yes Yes Yes - No4 Connect to Cluster Yes Yes Protected Port No Yes Yes Yes Yes Yes Yes5 Yes No - No Yes 1. Catalyst 2900 XL switches only. 2. Cannot be in a destination-based port group. 3. An Asynchronous Transfer Mode (ATM) port cannot be a monitor port but can be monitored. 4. Cannot connect cluster members to the command switch. 5. Switch Port Analyzer (SPAN) can operate only if the monitor port or the port being monitored is not a protected port. Protecte d Port No Yes Yes Yes Yes Yes Yes - 78-6511-08 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 9-7