wfVinesRtpRtType 1.3.6.1.4.1.18.3.5.8.6.1.11

This indicates the whether this is a VINES 5.50 router or a VINES 4.11 Router/Server. If learnt as part of a 4.11 RTP or thro' a sequenced RTP or by looking at the network flag in the tuple of a sequenced update