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is complete before checking carrier. If it's there, the device supports carrier. If it's not it doesn't. Add the ``set cd'' command for deciding how soon to check for carrier, and for deciding if carrier is REQUIRED. The default has changed: Pre 2.0 versions of ppp waited for 1 second. Version 2 didn't wait, but this causes problems with some (few?) modems that don't assert carrier immediately on reporting CONNECT. The one second delay is back now and can be removed with ``set cd 0''. Bump the ppp version number in case this needs to be changed again....
79 lines
3.9 KiB
Plaintext
79 lines
3.9 KiB
Plaintext
This file summarises changes made to ppp that effect
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its configuration.
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It does not describe new features, rather it attempts
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to answer any `this used to work, why doesn't it now?'
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questions.
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o The `set debug' command was replaced with `set log'.
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o The `set log LCP' command was split into LCP, IPCP and CCP logs.
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o Syslogd is used for logging. /etc/syslog.conf must be updated.
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o LQR is disabled by default.
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o Openmode is active by default.
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o Users must be a member of group `network' for ppp access. Furthermore,
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they must be `allow'ed to run ppp via the `allow' command in the
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configuration file.
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For a brief period, ppp could only be run as root.
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o No diagnostic socket is created by default. The `set server' command
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must be used.
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o The diagnostic socket password must be specified *only* on the `set
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server' command line.
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o When `set server' is used to re-select a diagnostic port, all existing
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diagnostic connections are dropped.
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o pppd-deflate is now called deflate24.
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o Filter IPs of 0.0.0.0 have a default width of 0, not 32.
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o Errors in `add' and `delete' are logged as warnings rather than being
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written to the TCP/IP log.
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o Any number of diagnostic prompts are allowed, and they are allowed in
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interactive mode.
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o The default `device' is cuaa1, then cuaa0
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o A password of "*" in ppp.secret causes a passwd database lookup in
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pap mode.
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o The value of the CONNECT environment variable is logged in the
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utmp host field in -direct mode.
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o Out-of-sequence FSM packets (IPCP/LCP/CCP) are dropped by default.
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o Reconnect values are used after an LQR timeout.
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o ^C works on the parent in -background mode.
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o The dial/call/open command works asynchronously. As a result, prompts
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do not lose control while dialing.
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o The `display' command has been removed. All information is available
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with the appropriate `show' command.
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o Msext does not need to be enabled/disabled. Setting the NBNS (set nbns)
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will auto enable it. The DNS side may be enabled/disabled, and if
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enabled without a `set dns' (was `set ns') will use values from
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/etc/resolv.conf.
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o Filters are now called `allow', `dial', `in' and `out'. `set
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ifilter ...' becomes `set filter in ...' etc.
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o Authname and Authkey may only be `set' in phase DEAD.
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o Set encrypt is no longer necessary. Ppp will respond to M$CHAP
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servers correctly if it's built with DES.
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o Throughput statistics are enabled by default.
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o `Set stopped' only has two parameters. It's no longer possible to
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have an IPCP stopped timer.
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o `Set timeout' only has one parameter. Use `set lqrperiod' and `set
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{lcp,ccp,ipcp,chap,pap}retry' for the other timers. `show timeout'
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is also now available using the relevant show commands.
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o `set loopback' is now `enable/disable loopback'.
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o `show auto', `show loopback' and `show mtu' are all part of `show bundle'.
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o `show mru' is part of `show lcp'
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o `show msext' and `show vj' are part of `show ipcp'
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o `show reconnect' and `show redial' are part of `show link'
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o A signal 15 (TERM) will now shut down the link gracefully.
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o A signal 2 (HUP) will drop all links immediately.
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o Signal 30 (USR1) is now ignored.
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o Add & delete commands are not necessary in ppp.linkup if they are
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`sticky routes' (ie, contain MYADDR or HISADDR).
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o LINK and CARRIER logging are no longer available.
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o Timer based DEBUG messages are now logged in the new TIMER log.
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o Ppp can use tun devices > tun255.
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o Protocol-compressed packets are accepted even if they were denied
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at LCP negotiation time.
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o Passwords aren't logged when logging the ``set server'' line.
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o Command line options only need enough characters to uniquely identify
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them. -a == -auto, -dd == -ddial etc. -interactive is also allowed.
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o If you don't like seeing additional interface aliases when running in
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-auto -alias mode, add ``iface clear'' to your ppp.linkdown file -
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check the sample file.
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o Ppp waits for 1 second before checking whether the device supports
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carrier. This is controllable with ``set cd''.
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