diff options
| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2020-05-18 22:16:37 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2020-05-19 02:42:22 +0200 |
| commit | b729e731f99aa6ece085597091618ed559a9f656 (patch) | |
| tree | ec8b0d22bc93003c5d38d9b70628f164f107f697 | |
| parent | ec430a7feefd3b32ee39c641a48c44528d0eab25 (diff) | |
RIP: Triggered RIP (demand circuit) documentation
| -rw-r--r-- | doc/bird.sgml | 14 | ||||
| -rw-r--r-- | proto/rip/rip.c | 9 |
2 files changed, 18 insertions, 5 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 786f124b..33f6418f 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -4443,7 +4443,8 @@ you can't use RIP on networks where maximal distance is higher than 15 hosts. <p>BIRD supports RIPv1 (<rfc id="1058">), RIPv2 (<rfc id="2453">), RIPng (<rfc -id="2080">), and RIP cryptographic authentication (<rfc id="4822">). +id="2080">), Triggered RIP for demand circuits (<rfc id="2091">), and RIP +cryptographic authentication (<rfc id="4822">). <p>RIP is a very simple protocol, and it has a lot of shortcomings. Slow convergence, big network load and inability to handle larger networks makes it @@ -4473,6 +4474,7 @@ protocol rip [ng] [<name>] { version 1|2; split horizon <switch>; poison reverse <switch>; + demand circuit <switch>; check zero <switch>; update time <number>; timeout time <number>; @@ -4577,6 +4579,16 @@ protocol rip [ng] [<name>] { used. The poisoned reverse has some advantages in faster convergence, but uses more network traffic. Default: yes. + <tag><label id="rip-iface-demand-circuit">demand circuit <m/switch/</tag> + Regular RIP sends periodic full updates on an interface. There is the + Triggered RIP extension for demand circuits (<rfc id="2091">), which + removes periodic updates and introduces update acknowledgments. When + enabled, there is no RIP communication in steady-state network. Note + that in order to work, it must be enabled on both sides. As there are + no hello packets, it depends on hardware link state to detect neighbor + failures. Also, it is designed for PtP links and it does not work + properly with multiple RIP neighbors on an interface. Default: no. + <tag><label id="rip-iface-check-zero">check zero <m/switch/</tag> Received RIPv1 packets with non-zero values in reserved fields should be discarded. This option specifies whether the check is performed or diff --git a/proto/rip/rip.c b/proto/rip/rip.c index d18ff5ad..f3dc6353 100644 --- a/proto/rip/rip.c +++ b/proto/rip/rip.c @@ -69,10 +69,11 @@ * structure is finally freed. * * Supported standards: - * - RFC 1058 - RIPv1 - * - RFC 2453 - RIPv2 - * - RFC 2080 - RIPng - * - RFC 4822 - RIP cryptographic authentication + * RFC 1058 - RIPv1 + * RFC 2453 - RIPv2 + * RFC 2080 - RIPng + * RFC 2091 - Triggered RIP for demand circuits + * RFC 4822 - RIP cryptographic authentication */ #include <stdlib.h> |