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(-)nos-tun.8 (-5 / +25 lines)
Lines 24-29 Link Here
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.Ar destination
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.Ar destination
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.Fl p
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.Fl p
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.Ar protocol_number
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.Ar protocol_number
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.Fl r
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.Ar retry_count
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.Fl w
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.Ar retry_delay
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.Ar target
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.Ar target
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.Sh DESCRIPTION
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.Sh DESCRIPTION
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.Nm Nos-tun
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.Nm Nos-tun
Lines 46-65 Link Here
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and
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and
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.Ar destination
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.Ar destination
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are the addresses used on the tunnel device.
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are the addresses used on the tunnel device.
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If you configure the tunnel against a cisco router, use a netmask of
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If you configure the tunnel against a Cisco router, use a netmask of
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.Dq 255.255.255.252
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.Dq 255.255.255.252
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on the cisco.  This is because the tunnel is a point-to-point interface
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on the Cisco router.  This is because the tunnel is a point-to-point interface
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in the
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in the
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.Bx Free
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.Bx Free
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end, a concept cisco doesn't really implement.
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end, a concept Cisco doesn't really implement.  Destination may be
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a hostname.
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.Pp
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.Pp
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.Ar Protocol number
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.Ar Protocol number
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sets tunnel mode. Original KA9Q NOS uses 94 but many peoples use 4
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sets tunnel mode. Original KA9Q NOS uses 94 but many peoples use 4
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in worldwide backbone of ampr.org.
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in worldwide backbone of ampr.org.
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.Pp
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.Pp
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.Ar Retry count
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if provided, limits the number of times
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.Nm nos-tun
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will attempt to re-establish a tunnel when a connection fails.  Use 0
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for infinite retries.  The default is 10.  When performing a retry, the
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tunnel is shut down and rebuilt, performing name lookups again if
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applicable.  This allows for building tunnels with static addresses
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across links with dynamic addresses.
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.Pp
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.Ar Retry delay
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Number of seconds to sleep before trying to re-establish a tunnel.
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The default is 60 seconds.
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.Pp
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.Ar Target
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.Ar Target
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is the address of the remote tunnel device, this must match the source
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is the address of the remote tunnel device, this must match the source
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address set on the remote end.
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address set on the remote end.  Target may be a hostname.
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.Sh EXAMPLES
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.Sh EXAMPLES
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This end, a
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This end, a
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.Bx Free
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.Bx Free
Lines 68-74 Link Here
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nos-tun -t /dev/tun0 -s 192.168.61.1 -d 192.168.61.2 192.168.56.45
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nos-tun -t /dev/tun0 -s 192.168.61.1 -d 192.168.61.2 192.168.56.45
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.Ed
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.Ed
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.Pp
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.Pp
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Remote cisco on address 192.168.56.45:
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Remote Cisco router on address 192.168.56.45:
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.Bd -literal -offset indent 4m
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.Bd -literal -offset indent 4m
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interface tunnel 0
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interface tunnel 0
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ip address 192.168.61.2 255.255.255.252
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ip address 192.168.61.2 255.255.255.252
Lines 85-87 Link Here
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wrote the man-page.
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wrote the man-page.
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.An Isao SEKI Aq iseki@gongon.com
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.An Isao SEKI Aq iseki@gongon.com
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added a new flag, IP protocol number.
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added a new flag, IP protocol number.
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.An Nick Johnson
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added retries, -r and -w flags.

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