With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bgp4PathAttrUnknown
bgp4 Path Attribute Unknown
1.3.6.1.2.1.15.6.1.14
One or more path attributes not understood by this BGP4 speaker. Size zero (0) indicates the absence of such attribute(s). Octets beyond the maximum size, if any, are not recorded by this object.
Back to BGP4-MIB MIB page.
IPHost Network monitor allows you to monitor bgp4PathAttrUnknown on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.