how to reset h3c console password

1. install tftpd64.

2. ready to recover

   reboot——ctrl+b——7——0

   dir
   copy startup.cfg startup_bak.cfg
   system-view
   local-user chenshi class manage
   password simple chenshi
   authorization-attribute user-role network-admin network-operator
   service-type telnet http https terminal
   

3. start to recover

   interface vlan 1
   ip address 10.1.1.1 255.255.255.0
   quit
   quit
   tftp 10.1.1.2 put startup.cfg
   dis cu
   tftp 10.1.1.2 get startup.cfg
   reboot