How do I check IP addresses for Internet access on the AR router

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1. Run the display nat outbound command to check the outbound NAT configuration and determine the ACL referenced by outbound NAT.
2. Run the display acl { | name | all } command to check the source address in the ACL.
The source address is the address segment for Internet access.

Other related questions:
How to prevent Internet access from modified IP addresses on an AR router
Users can configure the IPSG function to enable the AR router to match IP addresses in received packets with a list to prevent network attacks that are initiated based on source IP address spoofing. For details about the function and its configuration procedure, choose Configuration Guide (via Command Line)> Security> IPSG Configuration through the URL: Product documentation.

How to control Internet access on an AR router
The AR router provides the URL filter function, which enables the AR router to control URLs and forbid/allow users to access specific web page resources so as to regulate Internet access behavior. For details about the configuration procedure, choose Configuration Guide (via Command Line)> Security> Deep Security Defense Configuration> URL Filtering Configuration through the URL: Product documentation.

An AR router cannot access the Internet
1. Confirm whether the line provided by the vendor works properly. 2. Check the following configurations of the AR router: - Whether NAT is configured. - Whether valid routes are configured. - Whether DNS address resolution is configured. - Whether Internet access control is performed.

How do I check the IP address lease on an AR
On the AR, you can run the following command to check the IP address lease. - If IP addresses are assigned based on the interface address pool, run the display ip pool interface interface-pool-name [ start-ip-address [ end-ip-address ] ] command. - If IP addresses are assigned based on the global address pool, run the display ip pool [ name ip-pool-name [ start-ip-address [ end-ip-address ] ] ] command. The value of the Lease fiels is the lease of the address.

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