doc: Document 'set as-path prepend' and 'set as-path prepend last-as'

(cherry picked from commit 5e4ba81dc212b172e715afa7b6ea668cddd8485d)

diff --git a/doc/bgpd.texi b/doc/bgpd.texi
index dae37797f410346e922da164f3881b391659d463..6894db5a615aa9cdcea65d8f8370be09c366c730 100644 (file)
--- a/doc/bgpd.texi
+++ b/doc/bgpd.texi
@@ -537,6 +537,11 @@ This command defines a new AS path access list.
 @end deffn
 
 @deffn {Route Map} {set as-path prepend @var{as-path}} {}
+Prepend the given string of AS numbers to the AS_PATH.
+@end deffn
+
+@deffn {Route Map} {set as-path prepend last-as @var{num}} {}
+Prepend the existing last AS number (the leftmost ASN) to the AS_PATH.
 @end deffn
 
 @node Private AS Numbers