if (peerPort != null && peerPort instanceof RouterPort) {
RouterPort checkPort = (RouterPort)peerPort;
if (checkPort.getType().equals("ExteriorRouter")) {
checkPort.vifId(null).update();
} else if (checkPort.getType().equals("InteriorRouter")) {
checkPort.unlink();
}
checkPort.delete();
} else if (peerPort != null && peerPort instanceof BridgePort) {
BridgePort checkPort = (BridgePort)peerPort;
if (checkPort.getType().equals("ExteriorBridge")) {