Cisco TelePresence Administrator's Manual page 443

Reference material
Command reference — xConfiguration
Registration RestrictionPolicy Service TLS Verify Mode: <On/Off>
Controls X.509 certificate checking and mutual authentication between this VCS and the policy service. When enabled, the server's
FQDN or IP address, as specified in the address field, must be contained within the server's X.509 certificate (in either the Subject
Common Name or the Subject Alternative Name attributes). Default: On.
Example: xConfiguration Registration RestrictionPolicy Service TLS Verify Mode: On
Registration RestrictionPolicy Service UserName: <S: 0,30>
Specifies the user name used by the VCS to log in and query the remote service.
Example: xConfiguration Registration RestrictionPolicy Service UserName: "user123"
Remote Syslog [1..4] Address: <S: 0..128>
The IP address or Fully Qualified Domain Name (FQDN) of up to 4 remote syslog servers to which the log is written. These servers
must support the BSD or IETF syslog protocols.
Example: xConfiguration Remote Syslog 1 Address: "remote_server.example.com"
Remote Syslog [1..4] Crlcheck: <On/Off>
Controls whether the certificate supplied by the syslog server is checked against the certificate revocation list (CRL). Default: Off.
Example: xConfiguration Remote Syslog 1 Crlcheck: Off
Remote Syslog [1..4] Format: <bsd/ietf>
The format in which remote syslog messages are written. Default: bsd.
Example: xConfiguration Remote Syslog 1 Format: bsd
Remote Syslog [1..4] Mode: <bsd/ietf/ietf_secure/user_defined>
Select the syslog protocol to use when sending messages to the syslog server, or choose user_defined to configure individually the
transport type, port and format. Default: bsd.
Example: xConfiguration Remote Syslog 1 Mode: bsd
Remote Syslog [1..4] Port: <1..65535>
The UDP/TCP destination port to use. Suggested ports: UDP=514 TCP/TLS=6514. Default : 514.
Example: xConfiguration Remote Syslog 1 Port: 514
Remote Syslog [1..4] Transport: <udp/tcp/tls>
The transport protocol to use when communicating with the syslog server. If you use TLS encryption, you must upload a suitable CA
certificate file. Default: UDP.
Example: xConfiguration Remote Syslog 1 Transport: udp
ResourceUsage Warning Activation Level: <0..100>
Controls if and when the VCS will warn that it is approaching its maximum licensed capacity for calls or registrations. The number
represents the percentage of the maximum that, when reached, will trigger a warning. 0: Warnings will never appear. Default: 90.
Example: xConfiguration ResourceUsage Warning Activation Level: 90
SIP Authentication Digest Nonce ExpireDelta: <30..3600>
Specifies the maximum time (in seconds) that a nonce may be re-used for. Default: 300.
Example: xConfiguration SIP Authentication Digest Nonce ExpireDelta: 300
SIP Authentication Digest Nonce Length: <32..512>
Length of nonce or cnonce to generate for use in SIP Digest authentication. Default: 60.
Example: xConfiguration SIP Authentication Digest Nonce Length: 60
SIP Authentication Digest Nonce Limit: <1..65535>
Maximum limit on the number of nonces to store. Default: 10000.
Example: xConfiguration SIP Authentication Digest Nonce Limit: 10000
Cisco VCS Administrator Guide (X8.1.1) Page 443 of 507