Router1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router1(config)#service config
Router1(config)#boot network tftp Network-auto 172.25.1.1
Router1(config)#boot host tftp Router8-auto 172.25.1.1
Router1(config)#end
Router1#
注释 service config缺省是关闭的,如果打开后缺省会去查找的文件名为network-config, cisconet.cfg, router1-confg, router1.cfg 等