diff --git a/confluent_server/confluent/networking/lldp.py b/confluent_server/confluent/networking/lldp.py
index 29b94ede..e1fd8d4e 100644
--- a/confluent_server/confluent/networking/lldp.py
+++ b/confluent_server/confluent/networking/lldp.py
@@ -239,22 +239,30 @@ def _extract_neighbor_data_b(args):
         idxtoifname[idx] = _lldpdesc_to_ifname(sid, idx, str(oidindex[1]))
     for remotedesc in conn.walk('1.0.8802.1.1.2.1.4.1.1.10'):
         iname = idxtoifname.get(remotedesc[0][-2],
-                                idxtoportid[remotedesc[0][-2]])
+                                idxtoportid.get(remotedesc[0][-2], None))
+        if iname is None:
+            continue
         _init_lldp(lldpdata, iname, remotedesc[0][-2], idxtoportid, switch)
         _extract_extended_desc(lldpdata[iname], remotedesc[1], user)
     for remotename in conn.walk('1.0.8802.1.1.2.1.4.1.1.9'):
         iname = idxtoifname.get(remotename[0][-2],
-                                idxtoportid[remotename[0][-2]])
+                                idxtoportid.get(remotename[0][-2], None))
+        if iname is None:
+            continue
         _init_lldp(lldpdata, iname, remotename[0][-2], idxtoportid, switch)
         lldpdata[iname]['peername'] = str(remotename[1])
     for remotename in conn.walk('1.0.8802.1.1.2.1.4.1.1.7'):
         iname = idxtoifname.get(remotename[0][-2],
-                                idxtoportid[remotename[0][-2]])
+                                idxtoportid.get(remotename[0][-2], None))
+        if iname is None:
+            continue
         _init_lldp(lldpdata, iname, remotename[0][-2], idxtoportid, switch)
         lldpdata[iname]['peerportid'] = sanitize(remotename[1])
     for remoteid in conn.walk('1.0.8802.1.1.2.1.4.1.1.5'):
         iname = idxtoifname.get(remoteid[0][-2],
-                                idxtoportid[remoteid[0][-2]])
+                                idxtoportid.get(remoteid[0][-2], None))
+        if iname is None:
+            continue
         _init_lldp(lldpdata, iname, remoteid[0][-2], idxtoportid, switch)
         lldpdata[iname]['peerchassisid'] = sanitize(remoteid[1])
     for entry in lldpdata: