# Administration Reference

## NetInfo (server version)

Purpose

Defines interfaces that File Server registers in VLDB and Ubik uses for database server machines

Description

The NetInfo file, if present in the /usr/afs/local directory, defines the following:

- On a file server machine, the local interfaces that the File Server (fileserver process) can register in the Volume Location Database (VLDB) at initialization time

- On a database server machine, the local interfaces that the Ubik database synchronization library uses when communicating with the database server processes running on other database server machines

If the NetInfo file exists when the File Server initializes, the File Server uses its contents as the basis for a list of interfaces to register in the VLDB. Otherwise, it uses the list of network interfaces configured with the operating system. It then removes from the list any addresses that appear in the /usr/vice/etc/NetRestrict file, if it exists. The File Server records the resulting list in the /usr/afs/local/sysid file and registers the interfaces in the VLDB. The database server processes use a similar procedure when initializing, to determine which interfaces to use for communication with the peer processes on other database machines in the cell.

The NetInfo file is in ASCII format. One of the machine's IP addresses appears on each line, in dotted decimal format. The order of the addresses is not significant.

To display the File Server interface addresses registered in the VLDB, use the vos listaddrs command.

Related Information

NetRestrict (server version)

sysid

vldb.DB0 and vldb.DBSYS1

fileserver

vos listaddrs

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