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Change 'graceful down' command to 'graceful restart' and update docs

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The command initiating planned graceful restart including bird shutdown
should be called 'graceful restart' instead of 'graceful down', as the
later should be reserved for graceful shutdown in style of RFC 8326.
This commit is contained in:
Ondrej Zajicek (work) 2019-07-31 19:45:29 +02:00
parent 8c703ecf73
commit 96e4d0960c
2 changed files with 16 additions and 3 deletions
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16
doc/bird.sgml
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@ -403,6 +403,14 @@ configured for all relevant protocols and requires protocol-specific support
(currently implemented for Kernel and BGP protocols), it is activated for
particular boot by option <cf/-R/.
<p>Some protocols (e.g. BGP) could be restarted gracefully after both
intentional outage and crash, while others (e.g. OSPF) after intentional outage
only. For planned graceful restart, BIRD must be shut down by
<ref id="cli-graceful-restart" name="graceful restart"> command instead of
regular <ref id="cli-down" name="down"> command. In this way routing neighbors
are notified about planned graceful restart and routes are kept in kernel table
after shutdown.
<chapt>Configuration
<label id="config">
@ -1116,6 +1124,10 @@ This argument can be omitted if there exists only a single instance.
<tag><label id="cli-down">down</tag>
Shut BIRD down.
<tag><label id="cli-graceful-restart">graceful restart</tag>
Shut BIRD down for graceful restart. See <ref id="graceful-restart"
name="graceful restart"> section for details.
<tag><label id="cli-debug">debug <m/protocol/|<m/pattern/|all all|off|{ states|routes|filters|events|packets [, <m/.../] }</tag>
Control protocol debugging.
@ -2216,7 +2228,7 @@ using the following configuration parameters:
Define neighboring router this instance will be talking to and what AS
it is located in. In case the neighbor is in the same AS as we are, we
automatically switch to IBGP. Alternatively, it is possible to specify
just <cf/internal/ or </cf/external/ instead of AS number, in that case
just <cf/internal/ or <cf/external/ instead of AS number, in that case
either local AS number, or any external AS number is accepted.
Optionally, the remote port may also be specified. Like <cf/local/
parameter, this parameter may also be used multiple times with different
@ -2266,7 +2278,7 @@ using the following configuration parameters:
dynamic BGP behavior is active. Actual names also contain numeric
index to distinguish individual instances. Default: "dynbgp".
<tag><label id="bgp-dynamic-name">dynamic name digits <m/number/</tag>
<tag><label id="bgp-dynamic-name-digits">dynamic name digits <m/number/</tag>
Define minimum number of digits for index in names of spawned dynamic
BGP instances. E.g., if set to 2, then the first name would be
"dynbgp01". Default: 0.

3
sysdep/unix/config.Y
View File

@ -19,6 +19,7 @@ CF_DECLS
CF_KEYWORDS(LOG, SYSLOG, ALL, DEBUG, TRACE, INFO, REMOTE, WARNING, ERROR, AUTH, FATAL, BUG, STDERR, SOFT)
CF_KEYWORDS(NAME, CONFIRM, UNDO, CHECK, TIMEOUT, DEBUG, LATENCY, LIMIT, WATCHDOG, WARNING, STATUS)
CF_KEYWORDS(GRACEFUL, RESTART)
%type <i> log_mask log_mask_list log_cat cfg_timeout
%type <t> cfg_name
@ -133,7 +134,7 @@ CF_CLI(CONFIGURE CHECK, cfg_name, [\"<file>\"], [[Parse configuration and check
CF_CLI(DOWN,,, [[Shut the daemon down]])
{ cmd_shutdown(); } ;
CF_CLI(GRACEFUL DOWN,,, [[Shut the daemon down for graceful restart]])
CF_CLI(GRACEFUL RESTART,,, [[Shut the daemon down for graceful restart]])
{ cmd_graceful_restart(); } ;