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T5971: Added PPP options documentation

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Added PPP options documentation

(cherry picked from commit dd3537443d71b8a5481ad0e8fb1a8e4edd0ecb71)
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aapostoliuk 2024-01-25 16:13:49 +02:00 committed by Mergify
parent 5e13cabcbc
commit 97dc32e5cd
2 changed files with 68 additions and 5 deletions
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2
docs/configuration/vpn/l2tp.rst
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@ -98,7 +98,7 @@ Below is an example to configure a LNS:
set vpn l2tp remote-access client-ip-pool L2TP-POOL range 192.168.255.2-192.168.255.254
set vpn l2tp remote-access default-pool 'L2TP-POOL'
set vpn l2tp remote-access lns shared-secret 'secret'
set vpn l2tp remote-access ccp-disable
set vpn l2tp remote-access ppp-options disable-ccp
set vpn l2tp remote-access authentication mode local
set vpn l2tp remote-access authentication local-users username test password 'test'

71
docs/configuration/vpn/sstp.rst
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@ -179,35 +179,98 @@ SSL Certificates
PPP Settings
------------
.. cfgcmd:: set vpn sstp ppp-options disable-ccp
Disable Compression Control Protocol (CCP).
CCP is enabled by default.
.. cfgcmd:: set vpn sstp ppp-options interface-cache <number>
Specifies number of interfaces to keep in cache. It means that don’t
destroy interface after corresponding session is destroyed, instead
place it to cache and use it later for new sessions repeatedly.
This should reduce kernel-level interface creation/deletion rate lack.
Default value is **0**.
.. cfgcmd:: set vpn sstp ppp-options ipv4 <require | prefer | allow | deny>
Specifies IPv4 negotiation preference.
* **require** - Require IPv4 negotiation
* **prefer** - Ask client for IPv4 negotiation, do not fail if it rejects
* **allow** - Negotiate IPv4 only if client requests (Default value)
* **deny** - Do not negotiate IPv4
.. cfgcmd:: set vpn sstp ppp-options ipv6 <require | prefer | allow | deny>
Specifies IPv6 negotiation preference.
* **require** - Require IPv6 negotiation
* **prefer** - Ask client for IPv6 negotiation, do not fail if it rejects
* **allow** - Negotiate IPv6 only if client requests
* **deny** - Do not negotiate IPv6 (default value)
.. cfgcmd:: set vpn sstp ppp-options ipv6-accept-peer-interface-id
Accept peer interface identifier. By default is not defined.
.. cfgcmd:: set vpn sstp ppp-options ipv6-interface-id <random | x:x:x:x>
Specifies fixed or random interface identifier for IPv6.
By default is fixed.
* **random** - Random interface identifier for IPv6
* **x:x:x:x** - Specify interface identifier for IPv6
.. cfgcmd:: set vpn sstp ppp-options ipv6-interface-id <random | x:x:x:x>
Specifies peer interface identifier for IPv6. By default is fixed.
* **random** - Random interface identifier for IPv6
* **x:x:x:x** - Specify interface identifier for IPv6
* **ipv4-addr** - Calculate interface identifier from IPv4 address.
* **calling-sid** - Calculate interface identifier from calling-station-id.
.. cfgcmd:: set vpn sstp ppp-options lcp-echo-failure <number>
Defines the maximum `<number>` of unanswered echo requests. Upon reaching the
value `<number>`, the session will be reset.
value `<number>`, the session will be reset. Default value is **3**.
.. cfgcmd:: set vpn sstp ppp-options lcp-echo-interval <interval>
If this option is specified and is greater than 0, then the PPP module will
send LCP pings of the echo request every `<interval>` seconds.
Default value is **30**.
.. cfgcmd:: set vpn sstp ppp-options lcp-echo-timeout
Specifies timeout in seconds to wait for any peer activity. If this option
specified it turns on adaptive lcp echo functionality and "lcp-echo-failure"
is not used.
is not used. Default value is **0**.
.. cfgcmd:: set vpn sstp ppp-options min-mtu <number>
Defines minimum acceptable MTU. If client will try to negotiate less then
specified MTU then it will be NAKed or disconnected if rejects greater MTU.
Default value is **100**.
.. cfgcmd:: set vpn sstp ppp-options mppe <require | prefer | deny>
Specifies :abbr:`MPPE (Microsoft Point-to-Point Encryption)` negotioation
Specifies :abbr:`MPPE (Microsoft Point-to-Point Encryption)` negotiation
preference.
* **require** - ask client for mppe, if it rejects drop connection
* **prefer** - ask client for mppe, if it rejects don't fail
* **prefer** - ask client for mppe, if it rejects don't fail. (Default value)
* **deny** - deny mppe
Default behavior - don't ask client for mppe, but allow it if client wants.
Please note that RADIUS may override this option by MS-MPPE-Encryption-Policy
attribute.
.. cfgcmd:: set vpn sstp ppp-options mru <number>
Defines preferred MRU. By default is not defined.
RADIUS
------