Cisco Cisco Expressway
To configure the set of addresses to which HTTP access will be allowed:
1. On Expressway-C, go to
Configuration > Unified Communications > Configuration
.
2. Click HTTP server allow list.
3. Configure the hostnames or IP addresses of an HTTP server that a Jabber client located outside of the
enterprise is allowed to access.
Access is granted if the server portion of the client-supplied URI matches one of the names entered here,
or if it resolves via DNS lookup to a specified IP address.
Access is granted if the server portion of the client-supplied URI matches one of the names entered here,
or if it resolves via DNS lookup to a specified IP address.
The IP addresses of all discovered Unified CM nodes (that are running the CallManager or TFTP service) and
IM&P nodes are added automatically to the allow list and cannot be deleted. These addresses are displayed
in the
IM&P nodes are added automatically to the allow list and cannot be deleted. These addresses are displayed
in the
Auto-configured allow list
section of the
HTTP server allow list
page.
Setting up the Expressway-E
This section describes the configuration steps required on the Expressway-E.
Configuring DNS and NTP settings
Check and configure the basic system settings on Expressway:
1. Ensure that System host name and Domain name are specified (
System > DNS
).
Note that <System host name>.<Domain name> is the FQDN of this Expressway-E. Ensure that this
FQDN is resolvable in public DNS.
FQDN is resolvable in public DNS.
2. Ensure that public DNS servers are specified (
System > DNS
).
3. Ensure that all Expressway systems are synchronized to a reliable NTP service (
System > Time
). Use
an Authentication method in accordance with your local policy.
If you have a cluster of Expressways you must do this for every peer.
Enabling the Expressway-E for mobile and remote access
To enable mobile and remote access functionality:
1. Go to
Configuration > Unified Communications > Configuration
.
2. Set Unified Communications mode to Mobile and remote access.
3. Click Save.
Ensuring that TURN services are disabled on Expressway-E
You must ensure that TURN services are disabled on the Expressway-E used for mobile and remote access.
1. Go to
Configuration > Traversal > TURN
.
2. Ensure that TURN services are Off.
Unified Communications Mobile and Remote Access via Cisco Expressway Deployment Guide (X8.2)
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Configuring mobile and remote access on Expressway