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Example of filtering output information
1. Example of using the begin keyword
# Display the configuration from the line containing “user-interface” to the last line in the current
configuration (the output information depends on the current configuration).
<Sysname> display current-configuration | begin user-interface
user-interface aux 0
user-interface vty 0 15
authentication-mode none
user privilege level 3
#
return
2. Example of using the exclude keyword
# Display the non-direct routes in the routing table (the output depends on the current configuration).
<Sysname> display ip routing-table | exclude Direct
Routing Tables: Public
Destination/Mask Proto Pre Cost NextHop Interface
10.1.1.0/24 OSPF 10 2 10.1.1.2 Vlan2
3. Example of using the include keyword
# Display the route entries that contain Vlan in the routing table (the output depends on the current
configuration).
<Sysname> display ip routing-table | include Vlan
Routing Tables: Public
Destination/Mask Proto Pre Cost NextHop Interface
192.168.1.0/24 Direct 0 0 192.168.1.42 Vlan999
Configuring user privilege and command levels
To avoid unauthorized access, the switch defines user privilege levels and command levels. User privilege
levels correspond to command levels. When a user at a specific privilege level logs in, the user can only use
commands at that level, or lower levels.
All commands are categorized into four levels: visit, monitor, system, and manage, and are identified from
low to high, respectively by 0 through 3. Table 2 de
scribes the command levels.
Table 2 Default command levels
Level Privile
e Descri
tion
0 Visit
Involves commands for network diagnosis and accessing an external device.
Configuration of commands at this level cannot survive a device restart. Upon
device restart, the commands at this level are restored to the default settings.
Commands at this level include ping, tracert, telnet and ssh2.
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