IP Multicast Traceroute Facility (Mtrace)

Created

  • 2018-07-31

Last Updated

  • 2018-10-30

Available Formats


Mtrace2 Forwarding Codes

Registration Procedure(s)

  • Specification Required

Expert(s)

  • Unassigned

Reference

  • RFC 8487: Mtrace Version 2: Traceroute Facility for IP Multicast

Available Formats

Value Name Description Reference
0x00 NO_ERROR No error RFC 8487
0x01 WRONG_IF Mtrace2 Request arrived on an interface to which this router would not forward for the specified group towards the source or RP. RFC 8487
0x02 PRUNE_SENT This router has sent a prune upstream which applies to the source and group in the Mtrace2 Request. RFC 8487
0x03 PRUNE_RCVD This router has stopped forwarding for this source and group in response to a request from the downstream router. RFC 8487
0x04 SCOPED The group is subject to administrative scoping at this router. RFC 8487
0x05 NO_ROUTE This router has no route for the source or group and no way to determine a potential route. RFC 8487
0x06 WRONG_LAST_HOP This router is not the proper LHR. RFC 8487
0x07 NOT_FORWARDING This router is not forwarding this source and group out the outgoing interface for an unspecified reason. RFC 8487
0x08 REACHED_RP Reached the Rendezvous Point. RFC 8487
0x09 RPF_IF Mtrace2 Request arrived on the expected RPF interface for this source and group. RFC 8487
0x0A NO_MULTICAST Mtrace2 Request arrived on an interface which is not enabled for multicast. RFC 8487
0x0B INFO_HIDDEN One or more hops have been hidden from this trace. RFC 8487
0x0C REACHED_GW Mtrace2 Request arrived on a gateway (e.g., a NAT or firewall) that hides the information between this router and the Mtrace2 client. RFC 8487
0x0D UNKNOWN_QUERY A non-transitive Extended Query Type was received by a router which does not support the type. RFC 8487
0x0E-0x7F Unassigned
0x80 FATAL_ERROR A fatal error is one where the router may know the upstream router but cannot forward the message to it. RFC 8487
0x81 NO_SPACE There was not enough room to insert another Standard Response Block in the packet. RFC 8487
0x82 ADMIN_PROHIB Mtrace2 is administratively prohibited. RFC 8487
0x83-0xFF Unassigned

Mtrace2 TLV Types

Registration Procedure(s)

  • Specification Required

Expert(s)

  • Unassigned

Reference

  • RFC 8487: Mtrace Version 2: Traceroute Facility for IP Multicast

Available Formats

Code Type Reference
0x00 Reserved RFC 8487
0x01 Mtrace2 Query RFC 8487
0x02 Mtrace2 Request RFC 8487
0x03 Mtrace2 Reply RFC 8487
0x04 Mtrace2 Standard Response Block RFC 8487
0x05 Mtrace2 Augmented Response Block RFC 8487
0x06 Mtrace2 Extended Query Block RFC 8487
0x07-0xFF Unassigned