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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/bird.sgml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml index 9bd7df86..af5b7980 100644 --- a/doc/bird.sgml +++ b/doc/bird.sgml @@ -2443,6 +2443,15 @@ these attributes: <tag>int <cf/krt_realm/</tag> (Linux) The realm of the route. Can be used for traffic classification. + + <tag>int <cf/krt_scope/</tag> (Linux IPv4) + The scope of the route. Valid values are 0-254, although Linux kernel + may reject some values depending on route type and nexthop. It is + supposed to represent `indirectness' of the route, where nexthops of + routes are resolved through routes with a higher scope, but in current + kernels anything below <it/link/ (253) is treated as <it/global/ (0). + When not present, global scope is implied for all routes except device + routes, where link scope is used by default. </descrip> <p>In Linux, there is also a plenty of obscure route attributes mostly focused |