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3Com Switch 7750 Series
Command Reference Guide – Routing Protocol Chapter 4 Integrated IS-IS Configuration Commands
4-17
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Interface view
Parameter
simple: Specifies to send the password in plain text.
md5: Specifies to send the password in ciphertext.
password: Specifies a password. For simple authentication mode, the password
must be plain text. For md5 authentication mode, the password can be either plain
text or ciphertext, and the result depends on the input. A plain password can be a
string no longer than 16 bytes, such as user918. A cipher password must be a
ciphertext of 24 bytes, such as _(TT8F]Y\5SQ=^Q`MAF4<1!!.
level-1: Specifies to set a password for L1.
level-2: Specifies to set a password for L2.
ip: Specifies the system to check the configuration for the corresponding field of IP in
LSP.
osi: Specifies the system to check the configuration for the corresponding field of OSI
in LSP.
Whether a password should use the ip keyword or the osi keyword is not affected by
the actual network environment.
Description
Use the isis authentication-mode command to authenticate the IS-IS hello packets
of the specified level using the specified authentication mode and password on the
IS-IS interface.
Use the undo isis authentication-mode command to disable the authentication and
remove the password.
There is no password or authentication by default.
If there is no other parameter but the password, then only level-1 and osi are
available.
Related command: area-authentication-mode, and domain authentication-mode.
Example
# Set the plain password as tangshi for Level-1 adjacency on Vlan-interface 10.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] interface Vlan-interface 10
[3Com-Vlan-interface10] isis authentication-mode simple tangshi level-1