Are VLANs supported on Ethernet (10Mbps) ports? If so, I can't get mine to work. I am connecting a Catalyst4006-S2 with a Cisco4500-M running CatOS 7.4.3 and 12.1.21 IP+ respectively. Both of the software versions supposedly support 802.1q trunking.
The switch looks like this:
set vlan 2 name V2
set vlan 21 name V21
set trunk 2/4 nonegotiate dot1q !TRUNK UNCONDITIONALLY
clear trunk 2/4 1 !CLEARS VLAN 1 FROM TRUNK PORT
The router looks like this:
no ip address ip address 10.10.0.1 255.255.255.0
no ip redirects
no ip mroute-cache
encapsulation dot1q 2
ip address 10.10.0.1 255.255.255.0
encapsulation dot1q 21
ip address 10.0.21.1 255.255.255.0
Any help would be greatly appreciated. Thanks, Tim
Trunking is not supported in 10Mbps Ethernet interfaces on the 4000 series routers. You need the NP-1FE interface to do trunking (ISL only). The Cat4000 sup2 system only supports dot1q, so you'll need either a different router or a different switch to trunk with. An alternative if you only have 2 vlans is to use two 10BaseT ports on the router (one for each vlan).
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