How many NAT servers can be configured on an AR

22

AR510: 16
AR120/AR150/AR200/AR1200/AR220X: 256
AR2200: 512
SRU40: 1024
SRU80: 2048
SRU100/SRU200/SRU400/MRU40/MRU80: 4096
The NAT server and static NAT share resources.

Note: These figures also indicate the maximum number of NAT server and static NAT configurations supported by an AR router

Other related questions:
Can outbound NAT and NAT server be configured simultaneously on an AR
On an AR router, outbound NAT and NAT server can be configured simultaneously on an interface. For detailed configurations, see "Internet Access > NAT > Example for Configuring NAT to Enable Users to Access the Internet and Provide the WWW Service Externally" in the Typical Configuration Examples.

What is the command used to delete the NAT server on the AR router
You can use the undo nat server command in the interface view to cancel the mapping table on the Huawei AR router. Run one of the following commands: undo nat server protocol { tcp | udp } global { global-address | current-interface | interface interface-type interface-number [ .subnumber ] } global-port [ global-port2 ] [ vrrp vrrpid ] inside host-address [ host-address2 ] [ host-port ] [ vpn-instance vpn-instance-name ] undo nat server [ protocol { protocol-number | icmp | tcp | udp } ] global { global-address | current-interface | interface interface-type interface-number [ .subnumber ] } [ vrrp vrrpid ] inside host-address [ vpn-instance vpn-instance-name ] Note: The command can be only used on a Layer 3 interface. Loopback and null interfaces are not included.

Can the AR router provide redundancy of the NAT server
The AR router does not provide redundancy of the NAT server.

How to configure port mapping on an AR that acts as a twice NAT server
For details about how to configure port mapping of twice NAT server on an AR, see "Internet Access > NAT > Example for Configuring NAT to Connect Intranet Users to the Internet, Provide the Web Server, and Enable Intranet Users to Access an Internal Web Server Using Domain Names" in the Typical Configuration Examples.

If you have more questions, you can seek help from following ways:
To iKnow To Live Chat
Scroll to top