tmnxBsxCustProtIpProtocolNum 1.3.6.1.4.1.6527.3.1.2.63.2.17.1.5

The value of tmnxBsxCustProtIpProtocolNum specifies the IP protocol number to match against for the custom protocol. A value of '-1' specifies that no matching is to be done to resolve to a custom protocol.