How to check the work mode of a card on an AR router

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Run the display workmode command in any view to check the work mode of cards installed in all slots or specified slots.

Other related questions:
Firewall working mode of an AR router
To improve networking flexibility of the firewall, a working mode is defined for different interfaces, instead of an entire router. The working mode of interfaces is defined as routing mode. If a router is located between an internal network and an external network, the firewall configures IP addresses of different segments for the interfaces connecting to the internal network and the external network, respectively, and re-plans the original topological structure. Example: PC (internal network: trust) - AR (with embedded firewall) - (external network: untrust) PC Two security zones are planned: trust zone and untrust zone. The interface of the trust zone is connected to the internal network, and the interface of the untrust zone is connected to the external network. It should be noted that the interfaces of the trust zone and untrust zone are located on two different subnets, separately. When packets are forwarded between interfaces of the Layer 3 zone, the router queries the routing table based on IP addresses of the packets. Unlike other router devices, the AR router further processes the IP packets. It queries the session table or the ACL to determine whether to release the packets. Besides, the firewall needs to complete other attack defense check.

How to check the interface duplex mode of an AR router
Duplex modes: - Half-duplex: An interface can either receive or send data at one time. The maximum transmission distance is also limited. - Full duplex: An interface can receive and send data simultaneously. The maximum throughput can be twice of the interface rate. In addition, the transmission distance is not limited. You can run the display interface ethernet brief command to check the brief information about the Ethernet interface of a router, including the physical state, auto-negotiation method, duplex mode, rate, and average bandwidth utilization rate in the receiving and sending directions in the recent period of the interface. In the displayed information, the Duplex column indicates the duplex mode of the interface, which can be one of the following modes: ? full: Indicates that the interface works in full-duplex mode. ? half: Indicates that the interface works in half-duplex mode. ? In auto-negotiation mode, you can run the auto duplex command to configure the duplex mode of an interface. ? In non-auto negotiation mode, you can run the duplex command to configure the duplex mode of an interface.

How to view the work mode of the U1900?
To view the work mode of the U1900, run the show system stationtype command. Four work modes are available: normal, localgw, primary, and standby. The corresponding site types are normal node, local gateway, active node in the two-node cluster, and standby node in the two-node cluster respectively.

How to check the up-time of a card on an AR router
Run the display version command. The following message is displayed before the version information about each card: LPU X : uptime is X week, X day, X hour, X minutes, which indicates the up-time of each card after the card has been registered. For example, if the following message is displayed after the display version command is run on a device: LPU 2 : uptime is 0 week, 0 day, 6 hours, 1 minute, the up-time of card 2 after the card has been registered is 6 hours and 1 minute.

How to check the software version of the fan card on an AR router
You can check the software version of the fan card on an AR router as follows: Run the display version slot fan command to check the software version of the fan card. In the output information displayed after the command is run, the value of the Software Version field is the software version of the fan card.

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