From 18853a82c6195dd22b5b01b2d2cb3cd2c75d4f0c Mon Sep 17 00:00:00 2001
From: Simon Marsh <simon@burble.com>
Date: Sat, 27 Mar 2021 14:29:55 +0000
Subject: [PATCH] Reset Extendend Length flag when encoding BGP attributes

---
 proto/bgp/attrs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/proto/bgp/attrs.c b/proto/bgp/attrs.c
index 6752cb7f..5c7b4fdd 100644
--- a/proto/bgp/attrs.c
+++ b/proto/bgp/attrs.c
@@ -118,7 +118,7 @@ bgp_set_attr(ea_list **attrs, struct linpool *pool, uint code, uint flags, uintp
 static inline int
 bgp_put_attr_hdr3(byte *buf, uint code, uint flags, uint len)
 {
-  *buf++ = flags;
+  *buf++ = flags & ~BAF_EXT_LEN;
   *buf++ = code;
   *buf++ = len;
   return 3;