Telegram - ?

2

. , , (domain lookup) . , , Telnet IP , DNS , , , , Cisco IOS, .

3 , .

 Translating
Router>en
Router#wiki.meironet.ru
Translating "wiki.meironet.ru"...domain server (255.255.255.255)
% Unknown command or computer name, or unable to find computer address

1:

, ? :

Router>en
Router#conf t
Router(config)#no ip domain lookup
Router(config)#exit

:

Cisco IOS no ip domain lookup

2: Telnet

, Telnet , , .

Router>en
Router#conf t
Router(config)#ip domain lookup
Router(config)#line con 0
Router(config-line)#transport output none
Router(config-line)#exit
Router(config)#exit

:

Cisco IOS   telnet
3:

, , . , Cisco IOS 30 . 1 2 , . 5 , :

Router>en
Router#conf t
Router(config)# ip tcp synwait-time 5
Setting syn time to 5 seconds
Router(config)#exit

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