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Changes static route targets drop/reject to blackhole/unreachable.

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To be consistent with rest of BIRD and Linux. Old names are also
allowed for compatibility.
This commit is contained in:
Ondrej Zajicek 2012-11-27 02:08:04 +01:00
parent b31774eeb0
commit 80a9cadc76
4 changed files with 19 additions and 15 deletions
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10
bird.conf
View file

@ -25,14 +25,14 @@ protocol kernel {
protocol static { protocol static {
# disabled; # disabled;
route fec0:2::/64 reject; route fec0:2::/64 blackhole;
route fec0:3::/64 reject; route fec0:3::/64 unreachable;
route fec0:4::/64 reject; route fec0:4::/64 prohibit;
# route 0.0.0.0/0 via 195.113.31.113; # route 0.0.0.0/0 via 195.113.31.113;
# route 62.168.0.0/25 reject; # route 62.168.0.0/25 unreachable;
# route 1.2.3.4/32 via 195.113.31.124; # route 1.2.3.4/32 via 195.113.31.124;
# route 10.0.0.0/8 reject; # route 10.0.0.0/8 unreachable;
# route 10.1.1.0:255.255.255.0 via 62.168.0.3; # route 10.1.1.0:255.255.255.0 via 62.168.0.3;
# route 10.1.2.0:255.255.255.0 via 62.168.0.3; # route 10.1.2.0:255.255.255.0 via 62.168.0.3;
# route 10.1.3.0:255.255.255.0 via 62.168.0.4; # route 10.1.3.0:255.255.255.0 via 62.168.0.4;

4
doc/bird.conf.example
View file

@ -67,8 +67,8 @@ protocol static {
# debug { states, routes, filters, interfaces, events, packets }; # debug { states, routes, filters, interfaces, events, packets };
# debug all; # debug all;
# route 0.0.0.0/0 via 198.51.100.13; # route 0.0.0.0/0 via 198.51.100.13;
# route 198.51.100.0/25 reject; # route 198.51.100.0/25 unreachable;
# route 10.0.0.0/8 reject; # route 10.0.0.0/8 unreachable;
# route 10.1.1.0:255.255.255.0 via 198.51.100.3; # route 10.1.1.0:255.255.255.0 via 198.51.100.3;
# route 10.1.2.0:255.255.255.0 via 198.51.100.3; # route 10.1.2.0:255.255.255.0 via 198.51.100.3;
# route 10.1.3.0:255.255.255.0 via 198.51.100.4; # route 10.1.3.0:255.255.255.0 via 198.51.100.4;

9
doc/bird.sgml
View file

@ -2733,9 +2733,10 @@ definition of the protocol contains mainly a list of static routes:
route through an interface to hosts on a directly connected network. route through an interface to hosts on a directly connected network.
<tag>route <m/prefix/ recursive <m/ip/</tag> Static recursive route, <tag>route <m/prefix/ recursive <m/ip/</tag> Static recursive route,
its nexthop depends on a route table lookup for given IP address. its nexthop depends on a route table lookup for given IP address.
<tag>route <m/prefix/ drop|reject|prohibit</tag> Special routes <tag>route <m/prefix/ blackhole|unreachable|prohibit</tag> Special routes
specifying to drop the packet, return it as unreachable or return specifying to silently drop the packet, return it as unreachable or return
it as administratively prohibited. it as administratively prohibited. First two targets are also known
as <cf/drop/ and <cf/reject/.
<tag>check link <m/switch/</tag> <tag>check link <m/switch/</tag>
If set, hardware link states of network interfaces are taken If set, hardware link states of network interfaces are taken
@ -2761,7 +2762,7 @@ protocol static {
via 198.51.100.10 weight 2 via 198.51.100.10 weight 2
via 198.51.100.20 via 198.51.100.20
via 192.0.2.1; via 192.0.2.1;
route 203.0.113.0/24 reject; # Sink route route 203.0.113.0/24 unreachable; # Sink route
route 10.2.0.0/24 via "arc0"; # Secondary network route 10.2.0.0/24 via "arc0"; # Secondary network
} }
</code> </code>

11
proto/static/config.Y
View file

@ -18,7 +18,7 @@ static struct static_route *this_srt, *this_srt_nh, *last_srt_nh;
CF_DECLS CF_DECLS
CF_KEYWORDS(STATIC, ROUTE, VIA, DROP, REJECT, PROHIBIT, PREFERENCE, CHECK, LINK) CF_KEYWORDS(STATIC, ROUTE, VIA, DROP, REJECT, PROHIBIT, PREFERENCE, CHECK, LINK)
CF_KEYWORDS(MULTIPATH, WEIGHT, RECURSIVE, IGP, TABLE) CF_KEYWORDS(MULTIPATH, WEIGHT, RECURSIVE, IGP, TABLE, BLACKHOLE, UNREACHABLE)
CF_GRAMMAR CF_GRAMMAR
@ -86,9 +86,12 @@ stat_route:
this_srt->dest = RTDX_RECURSIVE; this_srt->dest = RTDX_RECURSIVE;
this_srt->via = $3; this_srt->via = $3;
} }
| stat_route0 DROP { this_srt->dest = RTD_BLACKHOLE; }
| stat_route0 REJECT { this_srt->dest = RTD_UNREACHABLE; } | stat_route0 DROP { this_srt->dest = RTD_BLACKHOLE; }
| stat_route0 PROHIBIT { this_srt->dest = RTD_PROHIBIT; } | stat_route0 REJECT { this_srt->dest = RTD_UNREACHABLE; }
| stat_route0 BLACKHOLE { this_srt->dest = RTD_BLACKHOLE; }
| stat_route0 UNREACHABLE { this_srt->dest = RTD_UNREACHABLE; }
| stat_route0 PROHIBIT { this_srt->dest = RTD_PROHIBIT; }
; ;
CF_CLI(SHOW STATIC, optsym, [<name>], [[Show details of static protocol]]) CF_CLI(SHOW STATIC, optsym, [<name>], [[Show details of static protocol]])