Ignore attempts to connect from unknown switches
Ignore attempts to connect from unknown switches

sdn-ixp/iSDX,huxh10/iSDX,sdn-ixp/iSDX,sdn-ixp/iSDX,huxh10/iSDX,sdn-ixp/iSDX,huxh10/iSDX,sdn-ixp/iSDX,sdn-ixp/iSDX,huxh10/iSDX,huxh10/iSDX,sdn-ixp/iSDX,huxh10/iSDX,huxh10/iSDX,huxh10/iSDX,huxh10/iSDX