Cisco IOS: Service Config

ciscocisco-ios

For Cisco routers/switches, I use the no service conifg in production.

What's the impact for the production system if I use the service config command when I have the configuration already loaded in my devices?

%Error opening tftp://255.255.255.255/cisconet.cfg (Timed out)
%Error opening tftp://255.255.255.255/cbrvbc01-tgobc02-confg (Timed out)
%Error opening tftp://255.255.255.255/cbrvbc01.cfg (Timed out)
%Error opening tftp://255.255.255.255/network-confg (Timed out)
%Error opening tftp://255.255.255.255/cisconet.cfg (Timed out)

Security? Network traffic? Others?

Best Answer

The service config command is used to load configuration files on boot. It should have no impact to your current configuration unless you reboot.

It's worth noting that even Cisco considers configuration autoloading an unneeded vulnerability. It's default is off, and probably for good reason.

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