Enhanced diagnostics
n There is an improved filter mechanism for call and registration status management.
n Search history shows additional information including search start timestamps and durations, and
improved reporting of search failure reasons.
n A Tracepath network utility has been added (to complement the existing traceroute tool).
n The Locate tool now allows you to specify a specific subzone (or zone) as the source of the search request.
n The VCS now supports IETF format messages when sending events to remote syslog servers. Note that
the Logging page is now located under the Maintenance menu.
n When a diagnostic log file is downloaded, the filename now includes the local host name; this helps
distinguish it from diagnostic files downloaded from other cluster peers.
n Core dump mode is now enabled by default. It can be configured on the Incident reporting configuration
page; it can no longer be configured via the CLI.
n System snapshot files now include a list of active alarms.
Other enhancements and usability improvements
n The default Traversal Subzone media port range is now 50000 - 54999 (previously 50000 - 52399), in order
to support the new media encryption policy feature. To reflect this change, system administrators may
need to modify the rules configured in their firewall devices.
n Up to 20 policy services can now be configured (the limit was 5 previously).
n When configuring a DNS zone you can now specify a TLS verify subject name to use when verifying the
destination system server's certificate.
n The %ip% pattern matching variables now apply to all peer addresses if the VCS is part of a cluster; when
used in a replace string the variable is always substituted with the address of the local peer only.
n The Microsoft B2BUA now supports up to 100 simultaneous calls (the limit was 50 previously); however,
calls that use transcoder resources count as 2 calls.
n TURN server now has full IPv6 support (as per RFC 6156). The TURN relays status page displays the
addresses on which the TURN server is listening, and the addresses from which it is allocating relays.
n The VCS now supports early dialog SIP UPDATE messages. Note that the relevant zone must be
configured with SIP UPDATE strip mode set to Off (set via the Custom zone profile).
n Automatic CRL updates can now use HTTPS distribution points.
n DNS queries can now be configured to use the ephemeral port range or to use a customized range.
n The Clustering page displays the name (in addition to the address) of all of the peers.
n The SIP Domains page includes an Index column that corresponds to the numeric elements of the
%localdomain1%,%localdomain2%, . . . %localdomain200% pattern matching variables.
n When upgrading software components, the MD5 and SHA1 hash values of the software image file being
uploaded are displayed for user verification (when upgrading from X7.2 or later).
n There is no longer a need to restart the VCS after uploading a language pack.
Support for some xConfiguration commands removed
The following xConfiguration CLI command sets are no longer supported:
n xConfiguration Administration HTTPS RequireClientCertificate
n xConfiguration Administration MaxConcurrentSessions
n xConfiguration Administration TimeOut
n xConfiguration Authentication Database
Cisco VCS Administrator Guide (X8.1.1) Page 498 of 507
Reference material
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