cisco3560配置时报错

badeyglly

hysls-327#copy tftp: startup-config
Address or name of remote host [10.3.53.24]?
Source filename [hysls-327-confg.bin]?
Destination filename [startup-config]?
Accessing tftp://10.3.53.24/hysls-327-confg.bin...
%Error opening tftp://10.3.53.24/hysls-327-confg.bin (Socket error)
hysls-327#
这个哪里错误了