Openvpn; Table 11: Ucm630X System SettingsNetwork SettingsOpenvpn - Grandstream Networks UCM630 Series User Manual

ARP GC Threshold when garbage collector becomes more aggressive about purging
Threshold 2 entries. Entries older than 5 seconds will be cleared when over this number. The
default value is 512.
Maximum number of non-PERMANENT neighbor entries allowed. Increase this
ARP GC
when using large numbers of interfaces and when communicating with large
Threshold 3
numbers of directly connected peers. The default value is 1024.
OpenVPN®
OpenVPN® settings allow the users to configure UCM630X to use VPN features, the following table gives details
about the various options in order to configure the UCM as OpenVPN Client.
Table 11: UCM630X System SettingsNetwork SettingsOpenVPN®
OpenVPN®
Enable
Configuration
Method
OpenVPN®
Server Address
OpenVPN®
Server Protocol
OpenVPN®
Device mode
OpenVPN® Use
Compression
Enable Weak
SSL Ciphers
OpenVPN®
Encryption
Algorithm
OpenVPN® CA
Cert
Enable / Disable the OpenVPN® feature.
Select OpenVPN® configuration method.
Manual Configuration: Allows to configure OpenVPN® settings manually.
Upload Configuration File: Allows to upload. ovpn and .conf files to the UCM
and to automatically configure OpenVPN® settings.
Configures the hostname/IP and port of the server. For example: 192.168.1.2:22
Specify the protocol user, user should use the same settings as used on the
server
Use the same setting as used on the server.

Dev TUN: Create a routed IP tunnel.

Dev TAP: Create an Ethernet tunnel.
Compress tunnel packets using the LZO algorithm on the VPN link. Do not
enable this unless it is also enabled in the server config file.
Either to enable the Weak SSL ciphers or not.
Specify the cryptographic cipher. Users should make sure to use the same
setting that they are using on the OpenVPN server.
Upload as SSL/TLS root certificate. This file will be renamed as 'ca.crt'
automatically.
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