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-rw-r--r--doc/bird.sgml19
1 files changed, 13 insertions, 6 deletions
diff --git a/doc/bird.sgml b/doc/bird.sgml
index 449a69de..09da89df 100644
--- a/doc/bird.sgml
+++ b/doc/bird.sgml
@@ -2799,13 +2799,20 @@ using the following configuration parameters:
changes its import filter, or if there is suspicion of inconsistency) it
is necessary to do a new complete route exchange. BGP protocol extension
Route Refresh (<rfc id="2918">) allows BGP speaker to request
- re-advertisement of all routes from its neighbor. BGP protocol
- extension Enhanced Route Refresh (<rfc id="7313">) specifies explicit
- begin and end for such exchanges, therefore the receiver can remove
- stale routes that were not advertised during the exchange. This option
- specifies whether BIRD advertises these capabilities and supports
+ re-advertisement of all routes from its neighbor. This option
+ specifies whether BIRD advertises this capability and supports
related procedures. Note that even when disabled, BIRD can send route
- refresh requests. Default: on.
+ refresh requests. Disabling Route Refresh also disables Enhanced Route Refresh.
+ Default: on.
+
+ <tag><label id="bgp-enable-enhanced-route-refresh">enable enhanced route refresh <m/switch/</tag>
+ BGP protocol extension Enhanced Route Refresh (<rfc id="7313">) specifies explicit
+ begin and end for Route Refresh (see previous option),
+ therefore the receiver can remove
+ stale routes that were not advertised during the exchange. This option
+ specifies whether BIRD advertises this capability and supports
+ related procedures.
+ Default: on.
<tag><label id="bgp-graceful-restart">graceful restart <m/switch/|aware</tag>
When a BGP speaker restarts or crashes, neighbors will discard all