after instaling ladvd, in ifconfig i've got description from lldp this is so cool ...
# ifconfig ix ix0: flags=28b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST,NOINET6> mtu 1500 lladdr 90:e2:ba:19:29:a8 description: connected to Srce1 (1:14) priority: 0 trunk: trunkdev trunk0 media: Ethernet autoselect (10GbaseSR full-duplex) status: active ix1: flags=28b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST,NOINET6> mtu 1500 lladdr 90:e2:ba:19:29:a8 description: connected to Srce2 (1:14) priority: 0 trunk: trunkdev trunk0 media: Ethernet autoselect (10GbaseSR full-duplex) status: active