In order to putty into a Diginet router (Cisco) you need to open three Putty Sessions.
1st Session
Step1: Log into Vibe Headend - vibe6.euphoria.co.za port 22
Step 2: Navigate to tunnels and add 8081 followed by 10.0.3.238:80 and 22 in the forwarded ports section.
2nd Session
Step 1: Log into primary connection - 127.0.0.1 8082
Step 2: Navigate to tunnels and add 8083 followed by Diginet router (Cisco) IP (in this case it is 192.168.0.1) port 23 in the forwarded ports section.
3rd Session
Step 1: Log into primary connection - 127.0.0.1 8083
Telnet
The overall result should look like this: