code: @Override
    public void _LocalPeer_setVendorId(long vendorId) throws MBeanException {
      // validate vendor-id
      try {
        getMutableConfiguration().setLongValue(OwnVendorID.ordinal(), vendorId);
        if (logger.isInfoEnabled()) {
          logger.info("Local Peer Vendor-Id successfully changed to '" + vendorId + "'. Restart to Diameter stack is needed to apply changes.");
        }
      }
      catch (NumberFormatException nfe) {
        throw new MBeanException(nfe);
      }
    }
docs: /*
  (non-Javadoc)
  @see org.mobicents.diameter.stack.DiameterStackMultiplexerMBean#_LocalPeer_setVendorId(java.lang.String)