Проект OpenNet: MAN nos-tun (8) Команды системного администрирования (FreeBSD и Linux)

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nos-tun (8)

>> nos-tun (8) ( FreeBSD man: Команды системного администрирования )

BSD mandoc

NAME



nos-tun

 - implement ``nos'' or ``ka9q'' style IP over IP tunnel

SYNOPSIS

-t tunnel -s source -d destination -p protocol_number [source ] target

DESCRIPTION

The utility is used to establish an nos style tunnel, (also known as ka9q or IP-IP tunnel) using a tun(4) kernel interface.

Tunnel is the name of the tunnel device /dev/tun0 for example.

Source and destination are the addresses used on the tunnel device. If you configure the tunnel against a cisco router, use a netmask of ``255.255.255.252'' on the cisco. This is because the tunnel is a point-to-point interface in the Fx end, a concept cisco does not really implement.

Protocol number sets tunnel mode. Original KA9Q NOS uses 94 but many people use 4 on the worldwide backbone of ampr.org.

Target is the address of the remote tunnel device, this must match the source address set on the remote end.

EXAMPLES

This end, a Fx box on address 192.168.59.34:

nos-tun -t /dev/tun0 -s 192.168.61.1 -d 192.168.61.2 192.168.56.45

Remote cisco on address 192.168.56.45:

interface tunnel 0
ip address 192.168.61.2 255.255.255.252
tunnel mode nos
tunnel destination 192.168.59.34
tunnel source 192.168.56.45

AUTHORS

An -nosplit An Nickolay N. Dudorov Aq nnd@itfs.nsk.su wrote the program, An Poul-Henning Kamp Aq phk@FreeBSD.org wrote the man-page. An Isao SEKI Aq iseki@gongon.com added a new flag, IP protocol number.

BUGS

We do not allow for setting our source address for multihomed machines.

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Created 1996-2024 by Maxim Chirkov
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