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-rw-r--r--plugins/ethercat/packet-ams.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/plugins/ethercat/packet-ams.c b/plugins/ethercat/packet-ams.c
index f142d6df8d..1b40275b08 100644
--- a/plugins/ethercat/packet-ams.c
+++ b/plugins/ethercat/packet-ams.c
@@ -33,6 +33,8 @@
void proto_register_ams(void);
void proto_reg_handoff_ams(void);
+#define AMS_TCP_PORT 48898 /* Not IANA registered */
+
/* Define the ams proto */
int proto_ams = -1;
@@ -1236,7 +1238,7 @@ void proto_reg_handoff_ams(void)
ams_handle = find_dissector("ams");
amstcp_handle = create_dissector_handle( dissect_amstcp, proto_ams );
- dissector_add_uint("tcp.port", 0xbf02, amstcp_handle);
+ dissector_add_uint_with_preference("tcp.port", AMS_TCP_PORT, amstcp_handle);
dissector_add_uint("ecatf.type", 2, ams_handle);
}