Polycom V2IU Converged Network Appliance 6400-S - Manual (Page 48)

User Guide V 2 IU 6400-S Converged Network Appliance
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2. On the System page, locate Change Password, and follow this link:
The password of the device can be changed.
3. Enter the New Password. The new password must be between 6 and 20
characters in length. Any combination of alpha and numeric characters is
accepted.
4. Enter the password again in the Confirm Password to ensure that there
were no mistakes in the initial entry.
5. Press Submit.
Specifying user commands
User commands allow you to execute special operations that may be required
for your installation, such as creating user specific firewall or routing rules.
Examples:
ifconfig eth0:20 192.168.20.10 netmask 255.255.255.0
iptables -I POSTROUTING -t nat -s 192.168.20.10 -j ACCEPT
Caution Use caution when adding user commands. The system may become unreachable if
an incorrect command is entered.