Cisco Cisco Expressway
set-CsMediaConfiguration -EncryptionLevel <value>
where
<value>
is one of
RequireEncryption
,
SupportEncryption
,
DoNotSupportEncryption
.
For example:
C:\Users\Administrator.example> set-CsMediaConfiguration -EncryptionLevel SupportEncryption
.
Note:
■
EncryptionLevel
is communicated to Lync clients and changes their operation. Users must sign out of the Lync
client and sign back in.
You may have to wait (up to an hour, depending on complexity) for
EncryptionLevel
to propagate throughout
the pool. Restarting Lync clients too soon may not change their media encryption policy.
■
If the Gateway Expressway has the Microsoft Interoperability option key AND it makes a TLS connection to
Lync Server, then you can use the default setting
Lync Server, then you can use the default setting
–EncryptionLevel RequireEncryption
.
In this case, all video endpoints must support encryption or calls will fail. If some endpoints cannot do media
encryption, you should use
encryption, you should use
-EncryptionLevel SupportEncryption
.
Configure the B2BUA and Search Rules on the Gateway Expressway
■
■
■
Task 5: (If Required) Create Search Rules to Route Calls to Other Domains Supported on Lync, page 32
Task 3: Configure the B2BUA on the Gateway Expressway
The values you enter for Lync signaling destination address and Lync signaling destination port depend on the
structure of the Lync environment:
structure of the Lync environment:
If the Lync environment…
Configure the signaling destination address and
port to be that of the…
port to be that of the…
is fronted by a Hardware Load Balancer in front of Lync
Directors
Directors
Hardware Load Balancer
is fronted by a Lync Director or Director pool
Lync Director (pool)
has no Lync Director but has a Hardware Load Balancer in
front of Front End Servers
front of Front End Servers
Hardware Load Balancer
is a single Lync FE Server or FE Server Pool
The Lync Server or server pool
1.
Go to Applications > B2BUA > Microsoft Lync > Configuration.
30
Cisco Expressway with Microsoft Lync Deployment Guide