Cisco Cisco Expressway
TLS can be difficult to configure. For example, when using it with an LDAP server we recommend that you
confirm that your system is working correctly before you attempt to secure the connection with TLS. You are
also recommended to use a third party LDAP browser to verify that your LDAP server is correctly configured
to use TLS.
confirm that your system is working correctly before you attempt to secure the connection with TLS. You are
also recommended to use a third party LDAP browser to verify that your LDAP server is correctly configured
to use TLS.
Note: be careful not to allow your CA certificates or CRLs to expire as this may cause certificates signed by
those CAs to be rejected.
those CAs to be rejected.
To load the trusted CA list, go to
Maintenance > Security certificates > Trusted CA certificate
.
To generate a CSR and/or upload the Expressway's server certificate, go to
Maintenance > Security
certificates > Server certificate
.
Additional server certificate requirements apply when configuring your Expressway system for Unified
Communications. For full information, see
Communications. For full information, see
Task 5: Configuring NTP servers
The NTP server address fields set the IP addresses or Fully Qualified Domain Names (FQDNs) of the NTP
servers to be used to synchronize system time.
servers to be used to synchronize system time.
The Time zone sets the local time zone of the Expressway.
To configure the NTP server address and Time zone:
1. Go to
System > Time
.
2. Configure the fields as follows (on both Expressway-C and Expressway-E):
Expressway-C
Expressway-E
NTP server 1
Enter pool.ntp.org
Enter pool.ntp.org
Time zone
GMT in this example
GMT in this example
3. Click Save.
Cisco Expressway Basic Configuration Deployment Guide
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Expressway system configuration