OID value: 1.3.6.1.4.1.1466.101.120.6
OID description:
The values of this attribute are URLs of other servers which may be
contacted when this server becomes unavailable. If the server does
not know of any other servers which could be used this attribute will
be absent. Clients may cache this information in case their preferred
LDAP server later becomes unavailable.
( 1.3.6.1.4.1.1466.101.120.6 NAME 'altServer' SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 USAGE dSAOperation )
URL for further info: http://src.doc.ic.ac.uk/computing/internet/rfc/rfc2252.txt
See also the OID Repository website reference for 1.3.6.1.4.1.1466.101.120.6