Cisco – Error opening tftp://

KB ID 0001099 


A friend was rolling out some PC’s for a client and wanted me to give him a network with the same subnet etc so he could build everything on the bench.


I grabbed a router and set it up for DHCP, and to NAT all traffic for him, but annoyingly it kept doing this;

%Error opening tftp:// (timed out)

%SYS-4-CONFIG_RESOLVE_FAILIURE: System config parse from (tftp:// failed


Quite a simple one to fix, whilst connected via console/SSH do the following;

 Petes-Router#configure terminal
 Enter configuration commands, one per line.

Petes-Router(config)#no service config
 Petes-Router#copy running-config startup-config

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Author: Migrated

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