80 Disable Domain Name Lookup Cisco Router New

Problem in privilege exec mode if you type in something other than a cisco ios command the router assumes that you typed a domain name and it tries to resolve what ever you type. This is good but the real reason why you get the message translating wrong command domain server 255 255 255 255 is because the preferred transport is set by default to telnet when you type something at the prompt it tries to resolve to telnet that name. Router1 config no ip domain lookup router1 config end router1 you can also prevent the router from trying to resolve typing errors on routers that use dns by changing the default exec behavior for.

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They just want to eliminate the.

Disable domain name lookup cisco router. This course on cisco routers could give you the knowledge you need to become a professional in the field. Router config no ip domain lookup. So it looks like this.

Although this feature is can be useful in some situations for most of the time this is a pain especially if you. But if we look a bit more deeply the original post is indicating that they need the name resolution. How to disable dns lookup in cisco.

Dns domain name system simply a system which is used to translate a domain to a particular ip address. R7 config no ip domain lookup. When a cisco router is initially configured the router s dns lookup function is enabled by default.

By default dns lookup is enabled on the cisco platform which causes delays in traceroutes and in a few other cases. Quite frankly it does not make much sense to have both ip name server and no ip domain lookup configured. September 17 2010 at 6 22 pm reply.

Having a dns server configured is then a useless thing because it is not going to be used anyway. Problem in privilege exec mode if you type in something other than a cisco ios command the router assumes that you typed a domain name and it tries to resolve what ever you type. 3 responses to disable dns lookup in cisco routers and switches pablo says.

So whenever someone types the wrong command in cisco devices console then that command by default starting looking for an ip address of that command. Disable dns lookup on cisco routers and switches. If you wish to enable the dns lookup again you will use the same command sans no.