To show what routes your cisco router currently has loaded type the following command (from the enable prompt) ;
show ip route
To add any new static routes you need to use the following command (from the config terminal prompt) ;
ip route 10.10.20.0 255.255.255.0 192.168.100.1
the syntax as above is ip route network netmask gateway
Telnet to your cisco router, enable then go into config t. Passwords may be required depending on how it has been configured…
en
config t
Ensure that ip routing has been enabled…
ip routing
To create the VLAN adapter you’ll need to run the following commands to create a “router on a stick”… Note: the .2 after the interface name creates a virtual adapter on the interface.
interface FastEthernet1/1.2
description “VM Host Network”
encapsulation dot1Q 2
ip address 172.25.2.1 255.255.255.0
The following is another example of a VLAN (110) on a router. This one has the ip helper-address (DHCP server) specified for this range.
interface FastEthernet1/1.110
description “Ak IDN”
encapsulation dot1Q 110
ip address 172.25.20.1 255.255.255.0
ip helper-address 172.25.20.15
That is the router side of things setup. Remember to save your changes via…
copy run start
Now you’ll need to add the VLAN to your switches. If you have VTP in your environment its as simple as adding the extra vlan onto your “server” vtp switch. Telnet (or null cable) to your “server” switch and go into “enable” mode, then go into the vlan database and add the required vlans as per above…
en
vlan database
vlan 2 name “VM Host Network”
vlan 110 name “Ak IDN”
VTP will propagate the vlans out to your client switches. Done.
This is quite a handy app for creating small virtual routers. See the website for more detail… The commandline is similar to cisco – so its good for practice if you are going for your CCNA.
http://www.vyatta.com/products/virtualized.php
Oh – its open source and free!
I’m a bit lazy in most cases and just add a few virtual nics into my VM’s and do the routing though them. But some people may find this handy for a single point to manage networking.