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-rw-r--r--doc/bird.sgml9
1 files changed, 9 insertions, 0 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 07e75588..fa4c777f 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -2291,6 +2291,7 @@ protocol ospf <name> {
stub router <switch>;
tick <num>;
ecmp <switch> [limit <num>];
+ merge external <switch>;
area <id> {
stub;
nssa;
@@ -2396,6 +2397,14 @@ protocol ospf <name> {
nexthops in one route. By default, ECMP is disabled. If enabled,
default value of the limit is 16.
+ <tag>merge external <M>switch</M></tag>
+ This option specifies whether OSPF should merge external routes from
+ different routers/LSAs for the same destination. When enabled together
+ with <cf/ecmp/, equal-cost external routes will be combined to multipath
+ routes in the same way as regular routes. When disabled, external routes
+ from different LSAs are treated as separate even if they represents the
+ same destination. Default value is no.
+
<tag>area <M>id</M></tag>
This defines an OSPF area with given area ID (an integer or an IPv4
address, similarly to a router ID). The most important area is the