diff --git a/doc/configuration.txt b/doc/configuration.txt
index c430a4796..ed0573165 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -18850,6 +18850,15 @@ hash-key <key>
                  better only use values comprised between 1 and this value to
                  avoid overlap.
 
+      id32       The node keys will be derived from the server's numeric
+                 identifier as set from "id" or which defaults to its position
+                 in the server list, but the full 32 bits of the ID will be
+                 used so that there is no collision. This one is not scaled
+                 like "id" is, so it is recommended to either always use it
+                 with a hash function (see "hash-key") or with explicitly
+                 assigned ID values that are evenly distributed over the 32-bit
+                 space.
+
       addr       The node keys will be derived from the server's address, when
                  available, or else fall back on "id".
 
diff --git a/include/haproxy/server-t.h b/include/haproxy/server-t.h
index 69265cb06..bbc548081 100644
--- a/include/haproxy/server-t.h
+++ b/include/haproxy/server-t.h
@@ -249,7 +249,8 @@ struct pid_list {
 
 /* srv methods of computing chash keys */
 enum srv_hash_key {
-	SRV_HASH_KEY_ID = 0,         /* derived from server puid */
+	SRV_HASH_KEY_ID = 0,         /* derived from server puid, 28 LSB used */
+	SRV_HASH_KEY_ID32,           /* derived from server puid, 32 bits used */
 	SRV_HASH_KEY_ADDR,           /* derived from server address */
 	SRV_HASH_KEY_ADDR_PORT       /* derived from server address and port */
 };
diff --git a/src/lb_chash.c b/src/lb_chash.c
index 362299d25..cf34370bf 100644
--- a/src/lb_chash.c
+++ b/src/lb_chash.c
@@ -121,6 +121,10 @@ static inline u32 chash_compute_server_key(struct server *s)
 		}
 		break;
 
+	case SRV_HASH_KEY_ID32:
+		key = full_hash(htonl(s->puid));
+		break;
+
 	case SRV_HASH_KEY_ID:
 	default:
 		key = s->puid * SRV_EWGHT_RANGE;
diff --git a/src/server.c b/src/server.c
index 819e1c05a..4594e1a11 100644
--- a/src/server.c
+++ b/src/server.c
@@ -1015,13 +1015,16 @@ static int srv_parse_hash_key(char **args, int *cur_arg,
 			      struct proxy *curproxy, struct server *newsrv, char **err)
 {
 	if (!args[*cur_arg + 1]) {
-		memprintf(err, "'%s expects 'id', 'addr', or 'addr-port' value", args[*cur_arg]);
+		memprintf(err, "'%s expects 'id', 'id32', 'addr', or 'addr-port' value", args[*cur_arg]);
 		return ERR_ALERT | ERR_FATAL;
 	}
 
 	if (strcmp(args[*cur_arg + 1], "id") == 0) {
 		newsrv->hash_key = SRV_HASH_KEY_ID;
 	}
+	else if (strcmp(args[*cur_arg + 1], "id32") == 0) {
+		newsrv->hash_key = SRV_HASH_KEY_ID32;
+	}
 	else if (strcmp(args[*cur_arg + 1], "addr") == 0) {
 		newsrv->hash_key = SRV_HASH_KEY_ADDR;
 	}
@@ -1029,7 +1032,7 @@ static int srv_parse_hash_key(char **args, int *cur_arg,
 		newsrv->hash_key = SRV_HASH_KEY_ADDR_PORT;
 	}
 	else {
-		memprintf(err, "'%s' has to be 'id', 'addr', or 'addr-port'", args[*cur_arg]);
+		memprintf(err, "'%s' has to be 'id', 'id32', 'addr', or 'addr-port'", args[*cur_arg]);
 		return ERR_ALERT | ERR_FATAL;
 	}