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Polycom CMA System Operations Guide
418 Polycom, Inc.
Port Specifies the port that the CMA system uses for
general SNMP messages. By default, the CMA
system uses port 161.
Community For SNMPv2c, specifies the context for the
information, which is the SNMP group to which the
devices and management stations running SNMP
belong.
The CMA system has only one valid context—by
default,
public
—which is identified by this
Community name. The CMA system will not
respond to requests from management systems that
do not belong to its community.
V3 Context Name For SNMPv3, specifies the context for the
information. The CMA system has only one valid
context, which is identified by
contextName
(in our
case—an empty string) and
contextEngineID
.
V3 Local Engine Id For SNMPv3, displays the CMA system
contextEngineID
for SNMPv3.
Security User For SNMPv3, specifies the security name required to
access a monitored MIB object.
Auth Type For SNMPv3, specifies the authentication protocol.
These protocols are used to create unique
fixed-sized message digests of a variable length
message.
The CMA system implements communication with
authentication and privacy (the
authPriv
security
level as defined in the USM MIB).
Possible values for authentication protocol are:
• MD5—Creates a digest of 128 bits (16 bytes).
• SHA—Creates a digest of 160 bits (20 bytes).
Both methods include the authentication key with the
SNMPv3 packet and then generate a digest of the
entire SNMPv3 packet.
Auth Password For SNMPv3, specifies the authentication password
that is appended to the authentication key before it is
computed into the MD5 or SHA message digest.
Setting Description