Trying to config ISIS on a 1700 router version 12.3 and 12.4, get error protocol not supported on this image, which version do I need 12.4 ? when I go show ver, on top it shows ver 12.3(4) but at the ROM line says 12.2 please explain

I cannot configure MPLS on a 1700 router. Version 12.4!!I type in IP CEF then go under each interface either s0/0 or e0/0 typetype in MPLS IP it says command unrecognized. What am I doing wrong ? I can't configure it from both Priveledged or global m...

A quick question, I'm trying to run IS-IS over frame relay studying for my CCNP on a Cisco 1750 Ver 12.1, The "Router isis" command doesn't put me in the router config mode, does it mean that ISIS is not supported on this router ?

Question, I have 2 1700 routers connected to 2 switches on each end and computers on each end. When I network OSPF, ping from one computer end to the other works fine, when I try EIGRP or RIP it's not becoming adjacent, all my masks are 255.255.255.0...

I'm trying to ping my Router 1700 Ver 12.1 through switch 2950 from my computer. My computer IP is 192.168.1.101, Switch VLAN 1 IP is 192.168.1.102My Router ip int f0 is 192.168.1.100, all default gateways are point to F 0/0 except router. But I can'...