This field contains a forwarding information/error code.
noError(1): No error
wrongIf(2): Traceroute request arrived on an interface to
which this router would not forward for this
source,group,destination.
pruneSent(3): This router has sent a prune upstream which
applies to the source and group in the tracer-
oute request.
pruneRCVD(4): This router has stopped forwarding for this
source and group in response to a request from
the next hop router.
scoped(5): The group is subject to administrative scoping
at this hop.
noRoute(6): This router has no route for the source or
group and no way to determine a potential
route.
wrongLastHop(7): This router is not the proper last-hop router.
notForwarding(8):This router is not forwarding this
source,group out the outgoing interface for an
unspecified reason.
reachedRP(9): Reached Rendez-vous Point or Core
rpfIf(10): Traceroute request arrived on the expected RPF
interface for this source,group.
noMulticast(11): Traceroute request arrived on an interface
which is not enabled for multicast.
infoHidden(12): One or more hops have been hidden from this
trace.
noSpace(13): There was not enough room to insert another
response data block in the packet.
oldRouter(14): The previous hop router does not understand
traceroute requests.
adminProhib(15): Traceroute is administratively prohibited.