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Hi there
I'm an engineer lives in korea.
I have one question about dhcp. 
The situation that confront me is troubleshooting in case of configuration on two interfaces ( two- lancard).
My network use two networks, one is public IP address, and the other is private IP address. 
For example , the configuration is as follows. :
 
           
              default-lease-time 600 max-lease-time 7200;
              option subnet-mask 255.255.255.0;
              option broadcast-address 192.7.7.255;
              option routers 192.7.7.1;
              option domain-name-servers 192.7.7.1;
              option domain-name "test.co.kr";
           
              subnet 192.7.7.0 netmask 255.255.255.0; {                  (# private ip address)
                 range 192.7.7.10 192.7.7.200;
   	}
    
              subnet 210.100.100.0 netmask 255.255.255.128; {        (# public ip address)
        	     range 210.100.100.1 210.100.100.10;
	}


and then , my clients are assigned with ip address from linux server and use internet. but the problem is they can't use TELNET

please show me the way to solve it as soon as possiblePԔ  zf%v݊.zlכ0Zyhr{Ӯ¢{Zrbٚ׫Xy+