Alcatel-Lucent 7750 SR OS Interface Configuration Manual page 446

Configuration Commands
authentication-key
Syntax authentication-key [authentication-key | hash-key] [hash | hash2]
no authentication-key
Context config>redundancy>multi-chassis>peer
Description This command configures the authentication key used between this node and the multi-chassis peer.
The authentication key can be any combination of letters or numbers.
Parameters
authentication-key — Specifies the authentication key. Allowed values are any string up to 20
hash-key — The hash key. The key can be any combination of ASCII characters up to 33 (hash1-key)
hash — Specifies the key is entered in an encrypted form. If the hash or hash2 parameter is not used,
hash2 — Specifies the key is entered in a more complex encrypted form that involves more
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characters long composed of printable, 7-bit ASCII characters. If the string contains special
characters (#, $, spaces, etc.), the entire string must be enclosed within double quotes.
or 55 (hash2-key) characters in length (encrypted). If spaces are used in the string, enclose the
entire string in quotation marks (" ").
the key is assumed to be in a non-encrypted, clear text form. For security, all keys are stored in
encrypted form in the configuration file with the hash or hash2 parameter specified.
variables then the key value alone, this means that hash2 encrypted variable cannot be copied
and pasted. If the hash or hash2 parameter is not used, the key is assumed to be in a non-
encrypted, clear text form. For security, all keys are stored in encrypted form in the configuration
file with the hash or hash2 parameter specified.
7750 SR OS Interface Configuration Guide