When Different Types of SRUs Are Installed on AR2204-27GE, AR2204-27GE-P, AR2204-51GE-P, AR2204E, AR2240C, or AR3260, Must Different System Software Versions Be Used to Match these SRUs

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You do not need to use different system software versions to match different SRUs. The same system software is used on AR2204-27GE, AR2204-27GE-P, AR2204-51GE-P, AR2204E, AR2240C, no matter which type of SRU is installed. This is true for AR3260.

Other related questions:
How can I check the fan software on the AR2204-27GE, AR2204-27GE-P, AR2204-51GE-P, AR2204E, AR2240C, AR3670, and AR3260
Run the display version slot fan command to view the fan software. The Software Version field indicates the software version.
NOTE:

The AR3600 (SRUX5) series routers are released from V200R006C10.


Must the system software match the type of the SRU installed on an AR2240 subrack or an AR3260 subrack
In scenarios where different SRUs may be installed on the AR2240 subrack or the AR3260 subrack, the system software does not need to match the type of the SRU. On an AR2240 subrack, the system software of AR2240 is used no matter what type of SRU is installed on the subrack. On an AR3260 subrack, the system software of AR3260 is used no matter what type of SRU is installed on the subrack.

How do I configure PPPoE authentication users
[Huawei] aaa //Enter the AAA view. [Huawei-aaa] local-user user1@system password //Create a local user and configure the login password of the local user. By default, the login password of the local user is admin@huawei.com. The configured user name and password must be the same as those configured on the PPPoE client. [Huawei-aaa] local-user user1@system service-type ppp //Set the service type to PPP. Determine whether to run the domain command to configure a domain as needed. By default, the default domain exists in the system and the default domain contains the default authentication scheme. If the user name of a user does not contain the domain name, the user is added to the default domain and local authentication is performed for the user by default.

How to configure an AR router which cannot be logged in to over Telnet
If an AR router cannot be logged in to over Telnet, log in to the device over the Console interface for service configuration and configure Telnet. Alternatively, log in to the device by using the web NMS for service configuration and configure Telnet.

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