162 lines
3.8 KiB
Groff
162 lines
3.8 KiB
Groff
.\" Automatically generated by Pandoc 2.9.2.1
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.\"
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.TH "L2TPNS" "8" "January 31, 2021" "Layer 2 tunneling protocol network server (LNS)" ""
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.hy
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.SH NAME
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.PP
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l2tpns - Layer 2 tunneling protocol network server (LNS)
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.SH SYNOPSIS
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.PP
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\f[B]l2tpns\f[R] [-\f[B]d\f[R]] [-\f[B]v\f[R]] [-\f[B]c\f[R]
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\f[I]file\f[R]] [-\f[B]h\f[R] \f[I]hostname\f[R]]
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.SH DESCRIPTION
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.PP
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\f[B]l2tpns\f[R] is a daemon for terminating layer 2 tunneling protocol
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(L2TP: RFC2661) sessions.
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.PP
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\f[B]l2tpns\f[R] is a complete L2TP implementation.
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It supports the LAC, LNS, PPPOE and DHCPv6 server.
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.PP
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Once running, \f[B]l2tpns\f[R] may be controlled by telnetting to port
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23 on the machine running the daemon and with the \f[B]nsctl\f[R]
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utility.
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.SH OPTIONS
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.PP
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\f[B]-d\f[R] Detach from terminal and fork into the background.
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By default l2tpns will stay in the foreground
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.PP
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\f[B]-v\f[R] Increase verbosity for debugging.
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Can be used multiple times
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.PP
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\f[B]-c\f[R] \f[I]file\f[R] Specify configuration file
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.PP
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\f[B]-h\f[R] \f[I]hostname\f[R] Force hostname to \f[I]hostname\f[R]
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.SH FILES
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.PP
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\f[I]/etc/l2tpns/startup-config\f[R]
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.PD 0
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.P
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.PD
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The default configuration file
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.PP
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\f[I]/etc/l2tpns/ip_pool\f[R]
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.PD 0
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.P
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.PD
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IP address pool configuration
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.PP
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\f[I]/etc/l2tpns/users\f[R]
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.PD 0
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.P
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.PD
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Username/password configuration for access to admin interface
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.SH SIGNALS
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.PP
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\f[B]SIGHUP\f[R]
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.PD 0
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.P
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.PD
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Reload the config from disk and re-open log file
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.PP
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\f[B]SIGTERM\f[R], \f[B]SIGINT\f[R]
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.PD 0
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.P
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.PD
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Stop process.
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Tunnels and sessions are not terminated.
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This signal should be used to stop l2tpns on a cluster node where there
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are other machines to continue handling traffic
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.PP
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\f[B]SIGQUIT\f[R]
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.PD 0
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.P
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.PD
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Shut down tunnels and sessions, exit process when complete
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.SH MANAGED RADIUS ATTRIBUTE
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.PP
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\f[B]Ascend-Client-Primary-DNS\f[R],
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\f[B]Ascend-Client-Secondary-DNS\f[R]
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.PD 0
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.P
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.PD
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Specifies a primary and secondary DNS server address to send to user
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.PP
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\f[B]Delegated-IPv6-Prefix\f[R]
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.PD 0
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.P
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.PD
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Assign a network address IPv6 prefix to a user by DHCPv6
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.PP
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\f[B]Framed-IP-Address\f[R]
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.PD 0
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.P
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.PD
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The address to be configured for the user (IPv4 address of the interface
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ppp)
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.PP
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\f[B]Framed-Route\f[R]
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.PD 0
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.P
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.PD
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provides routing information to be configured for the user
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.PP
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\f[B]Framed-IPv6-Route\f[R]
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.PD 0
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.P
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.PD
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Has the same action as \f[B]Delegated-IPv6-Prefix\f[R].
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\f[B]Delegated-IPv6-Prefix\f[R] is the correct one to use
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.PP
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\f[B]Framed-IPv6-Address\f[R]
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.PD 0
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.P
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.PD
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IPv6 address to be assigned to the user by DHCPv6 (IPv6 address of the
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interface ppp)
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.PP
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\f[B]Idle-Timeout\f[R]
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.PD 0
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.P
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.PD
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disconnects the session if no data for more than \f[B]Idle-Timeout\f[R]
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(in seconds)
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.PP
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\f[B]Session-Timeout\f[R]
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.PD 0
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.P
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.PD
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disconnects the user session when the time \f[B]Session-Timeout\f[R] is
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reached (in seconds)
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.PP
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\f[B]Tunnel-Type\f[R], \f[B]Tunnel-Medium-Type\f[R],
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\f[B]Tunnel-Server-Endpoint\f[R], \f[B]Tunnel-Password\f[R],
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\f[B]Tunnel-Assignment-Id\f[R]
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.PD 0
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.P
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.PD
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attributes returned by the Radius of the remote LNS server (LAC
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functionality)
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.IP
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.nf
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\f[C]
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example, Radius that return the information of 2 remote LNS server with which must be open a L2TP TUNNEL:
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- Tunnel-Type: 1 = L2TP
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- Tunnel-Medium-Type: 1 = IPv4
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- Tunnel-Password: 1 = \[dq]TheSecretL2TP\[dq]
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- Tunnel-Server-Endpoint: 1 = \[dq]88.xx.xx.x1\[dq]
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- Tunnel-Assignment-Id: 1 = \[dq]friendisp_lns1\[dq]
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- Tunnel-Type: 2 = L2TP
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- Tunnel-Medium-Type: 2 = IPv4
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- Tunnel-Password: 2 = \[dq]TheSecretL2TP\[dq]
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- Tunnel-Server-Endpoint: 2 = \[dq]88.xx.xx.x2\[dq]
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- Tunnel-Assignment-Id: 2 = \[dq]friendisp_lns2\[dq]
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\f[R]
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.fi
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.SH SEE ALSO
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.PP
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\f[B]startup-config\f[R](5), \f[B]nsctl\f[R](8)
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.SH AUTHORS
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This manual page was written by Jonathan McDowell <noodles@earth.li> and
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Fernando Alves (<fendo@sameswifi.fr>), for the Debian GNU/Linux system
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(but may be used by others).
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