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Figure 2: strategy, Local subnet only – Grandstream UCM6100 Security Manual User Manual

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UCM6100 Security Manual Page 8 of 23

other. The network administrator would like to allow only devices in 192.168.40.x network to register to

this UCM6100.

2.

Under UCM6100 web UI extension dialog, configure “Local Subnet Only” for “Strategy” option and
192.168.40.0 for “Local Subnet”.

Figure 2: Strategy

– Local Subnet Only

3. Save and Apply changes.

Now if the SIP end device is in subnet other than 192.168.40.x, e.g., 172.18.31.x subnet, the UCM6100

will not allow registration using this extension. The following figure shows the SIP device IP address is

172.18.31.17. The UCM6100 on IP 192.168.40.171 replies 404 Not Found for the registration request.

See also other documents in the category Grandstream Communication: