14: Configuring a GRE interface
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© Virtual Access 2018
GW2020 Series User Manual
Issue: 2.1
Page 120 of 423
Web Field/UCI/Package Option
Description
Web: Name of the new interface
UCI: network. .<if name>
Opt: config interface
Assigns a logical name to the GRE tunnel, The network interface
section will be assigned this name <if name>.
Type the name of the new interface.
Allowed characters are A-Z, a-z, 0-9 and _.
Must be less than 11 characters.
Web: Protocol of the new interface
UCI: network.<if name>.proto
Opt: proto
Specifies what protocol the interface will operate on. Select GRE.
Option
Description
Static
Static configuration with fixed address
and netmask.
DHCP Client
Address and netmask are assigned by
DHCP.
Unmanaged
Unspecified
IPv6-in-IPv4
(RFC4213)
Used with tunnel brokers.
IPv6-over-
IPv4
Stateless IPv6 over IPv4 transport.
GRE
Generic Routing Encapsulation protocol
IOT
L2TP
Layer 2 Tunnelling Protocol
PPP
Point-to-Point protocol
PPPoE
PPP over Ethernet
PPPoATM
PPP over ATM
LTE/UMTS/
GPRS/EV-DO
CDMA, UMTS or GPRS connection using
an AT-style 3G modem.
Web: Create a bridge over multiple
interfaces
UCI: network.<if name>
Opt: n/a
Not applicable for GRE.
Web: Cover the following interface
UCI: network.<if name>
Opt:n/a
Not applicable for GRE.
Table 34: Information table for the create new interface page
Click Submit. The Common Configuration page appears. There are three sections in the
Common Configurations page.
Section
Description
General Setup
Configure the basic interface settings such as protocol, IP address, mask length,
local interface, remote IP address, TTL, tunnel key and MTU.
Advanced Settings
'Bring up on boot' and 'monitor interface state' settings.
Firewall settings
Assign a firewall zone to the connection.