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NAME

netconfig

 - network configuration data base

 

SYNOPSIS

DESCRIPTION

Entries have the following format:

network_id semantics flags family protoname device libraries

Entries consist of the following fields:

network_id

The name of the transport described.

semantics

Describes the semantics of the transport. This can be one of:

tpi_clts

Connectionless transport.

tpi_cots

Connection-oriented transport

tpi_cots_ord

Connection-oriented, ordered transport.

tpi_raw

A raw connection.

flags

This field is either blank (specified by ``- '' or contains one or more of the following characters:

b

The network represented by this entry is broadcast capable. This flag is meaningless in Fx .

v

The entry may be returned by the getnetpath(3) function.

family

The protocol family of the transport. This is currently one of:

inet6

The IPv6 (PF_INET6 ) family of protocols.

inet

The IPv4 (PF_INET ) family of protocols.

loopback

The PF_LOCAL protocol family.

protoname

The name of the protocol used for this transport. Can currently be either udp tcp or empty.

device

This field is always empty in Fx .

libraries

This field is always empty in Fx .

The order of entries in this file will determine which transport will be preferred by the RPC library code, given a match on a specified network type. For example, if a sample network config file would look like this:

udp6       tpi_clts      v     inet6    udp     -       -
tcp6       tpi_cots_ord  v     inet6    tcp     -       -
udp        tpi_clts      v     inet     udp     -       -
tcp        tpi_cots_ord  v     inet     tcp     -       -
rawip      tpi_raw       -     inet      -      -       -
local      tpi_cots_ord  -     loopback  -      -       -

then using the network type udp in calls to the RPC library function (see rpc(3)) will make the code first try udp6 and then udp

getnetconfig(3) and associated functions will parse this file and return structures of the following format:

struct netconfig {
    char *nc_netid;              /* Network ID */
    unsigned long nc_semantics;  /* Semantics */
    unsigned long nc_flag;       /* Flags */
    char *nc_protofmly;          /* Protocol family */
    char *nc_proto;              /* Protocol name */
    char *nc_device;             /* Network device pathname (unused) */
    unsigned long nc_nlookups;   /* Number of lookup libs (unused) */
    char **nc_lookups;           /* Names of the libraries (unused) */
    unsigned long nc_unused[9];  /* reserved */
};

FILES

/etc/netconfig

SEE ALSO

Index

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SYNOPSIS

DESCRIPTION

FILES

SEE ALSO

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