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Automatically download switch configuration on-connection via TFTP.

Wham
Level 1
Level 1

As the title says: I'm looking for a way to configure a network where, when a switch is connected it will automatically download a config from a TFTP server (I'm using two catalyst 3750s at the moment, with a windows device running the tftp server)

 

I've heard that it's possible, but I've thought of a few issues when thinking about how this would be implemented.

First thing is how to configure a switch so that it knows to download the config the moment it's connected to the network (is there a way to have the tftp server push the config when it detects a new switch connected?).

 

The other issue I ran into was that, in order to have a switch obtain an address via DHCP (so that it can interact with the tftp server), I've needed to manually configure the interface (in my case VLAN 1) so that it uses DHCP. And at that point, there's not much point in getting it to download the config automatically, since I've got to manually config the dhcp anyway (and one more "copy tftp run" command isn't that much more effort).

 

Any suggestions or good resources that could help?

 

Thanks.

1 Accepted Solution
3 Replies 3

Hello,

 

not sure what you have already tried, but the 3750 supports DHCP-Based Autoconfiguration, you might want to have a look at this:

 

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750/software/release/12-2_52_se/configuration/guide/3750scg/swipaddr.html#wp1184158

That's what I was after. Thanks!