Whether different NEs in adjacent ASON domains can have the same site ID

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NEs in the same ASON domain must have unique site IDs. NEs from different ASON domains can have the same site ID.

Other related questions:
Relationship between the node ID of an ASON NE and an NE ID
Relationship between the node ID of an ASON NE and an NE ID: The node ID of an NE must be different from the IP address of an NE and must be unique on the entire network. The node ID is independent of the NE ID and NE IP address.

The relationship between ASON NE'S NODE ID and ne's id
Ne's NODEID is different to ne's ip address ,and uniqueness in network and so the only.NODEID, ne's id and ne's ip address is independent of each other.

Whether multiple primary NEs can be managed like GNEs in an ASON domain
You can set only one primary NE and one secondary NE in an ASON domain. The NMS only needs to communicate with one NE on an ASON network. This NE is called the communication NE. It is the NE that represents the ASON network to communicate with the NMS. Usually, the communication NE is the primary NE. When the primary NE fails, the secondary NE becomes the communication NE. If both the primary and secondary NEs fail, the system automatically selects an ASON NE as the communication NE.

Whether multiple primary NEs that function similar to gateway NEs can be created in an ASON domain
Only one primary NE and one secondary NE can be created in an ASON domain. The U2000 server needs to establish a connection with either the primary or secondary NE. The NE that establishes a connection with the U2000 is called the gateway NE and implements communication between the ASON network and the U2000 server. In normal cases, you are advised to configure the primary NE as the communication NE. When the primary NE fails, the secondary NE becomes the communication NE. If both the primary and secondary NEs fail, the system automatically selects an ASON NE as the communication NE.

Whether subracks at different locations can be grouped into the same NE
When multiple subracks need to be used to set up one NE, the master/slave subrack mode must be used for uniform management of these subracks. Standard GE ports are used to connect master and slave subracks. The distance between the master and slave subrack depends on the type and quality of the network cables.

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