配置文件超过了可用的NVRAM大小时

　　Router1#configure terminal

　　Enter configuration commands, one per line. End with CNTL/Z.

　　Router1(config)#service compress-config

　　Router1(config)#end

　　Router1#

　　注释可以使用show startup-config来验证

　　Router1#show startup-config

　　Using 5068 out of 29688 bytes, uncompressed size = 9969 bytes

　　Uncompressed configuration from 5068 bytes to 9969 bytes