NR120 5G Router User Manual
47
GRE Tunnel:
enable or disable GRE function
Number
：
Switch on/off GRE tunnel app
Status
：
Switch on/off someone GRE tunnel app
Name
：
GRE tunnel name
Through
：
The GRE packet transmit interface
Peer Wan IP Addr
：
The remote WAN address
Peer Subnet
：
The remote gateway local subnet, eg: 192.168.1.0/24
Peer Tunnel IP
：
The remote tunnel ip address
Local Tunnel IP
：
The local tunnel ip address
Local Netmask
：
Netmask of local network
Keepalive
：
Enable or disable GRE Keepalive function
Retry times
：
GRE keepalive detect fail retries
Interval
：
The time interval of GRE keepalive packet sent
Fail Action
：
The action would be exec after keeping alive failed
Click on “
View GRE tunnels
” keys can view the information of GRE
