@Override
    public OFOxmBsnGlobalVrfAllowed readFrom(ByteBuf bb) throws OFParseError {
      // fixed value property typeLen == 0x30601L
      int typeLen = bb.readInt();
      if (typeLen != 0x30601)
        throw new OFParseError("Wrong typeLen: Expected=0x30601L(0x30601L), got=" + typeLen);
      OFBooleanValue value = OFBooleanValue.of(bb.readByte() != 0);

      OFOxmBsnGlobalVrfAllowedVer12 oxmBsnGlobalVrfAllowedVer12 =
          new OFOxmBsnGlobalVrfAllowedVer12(value);
      if (logger.isTraceEnabled()) logger.trace("readFrom - read={}", oxmBsnGlobalVrfAllowedVer12);
      return oxmBsnGlobalVrfAllowedVer12;
    }