I have a v240 and when telneting to the machine it takes server minutes to come back and as for the username. A person had fixed this before by editing a file but I have searched for info on this and have not found anything.
1) try putting the ip address of your localhost in the /etc/hosts file of the remote machine and the remote host ip in the /etc/hosts on your local machine.
2) DNS could be causing the issue. You could try editing your /etc/nsswitch.conf file and edit line:
Putting my machine in the host file worked and it was much quicker. Do you know the process it goes through when it has an incoming telnet session? The only reason I ask is some of our machines work fine and others do not. I want to see what could be the difference. I assume it must have something to do with DNS. I will check into this.
Off the top of my head I really can't tell you. You could try running running truss telnet <hostname> and see what is going on. You will need to control c out when it has completed. Also RARP (reverse address resolution protocol) has something to do with it. Yes I would check out your resolv.conf file and make sure it is setup correctly. If you have one system that works well I would check that systems file and compare to the system which is not responding well.
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