Hi Luis,I checked for the limitations for the Metro Ethernet 3400 and found the below limitations:Platform Support •802.1q-tunnel-port mode: Cisco ME 3400E and ME 3400 switches. •Selective Q-in-Q (support for 1-to-2 VLAN mapping, but not 1-to-1 VLAN ...
Hi Bob,The IOS detects for any hardware failures during boot up of the switch. They generally detect for anamolly on the hardware level. If they are failing then they need to be a hardware issue but you can still refer and open up a TAC case to check...
Hi Nadeem,In comparison to normal C4948 switch the Cisco Catalyst 4948E and 4948E-F double uplink capacity to four 10Gb Ethernet uplinks and supports IPv6 in hardware. In addition Cisco Catalyst 4948E and 4948E-F offer front-to-back and back-to-front...
Hi Nadeem,The difference between the 2 switches:WS-C4948-E - Cisco Catalyst 4948, enhanced multilayer software image, one AC power supply, fan trayWS-C4948 - Cisco Catalyst 4948, optional software image, optional power supplies, fan traySeems like yo...