you will either get PIM Multicast disabled or none no route when pim is not acitve
R1---------12.0.0.0/24--------R2-----------23.0.0.0/24-----------R3----34.0.0.0/24--------R4 R2 interface facing R3 , does not have pim............ R4#mtrace 12.0.0.1 Type escape sequence to abort. Mtrace from 12.0.0.1 to 34.0.0.4 via RPF >From source (?) to destination (?) Querying full reverse path... 0 34.0.0.4 -1 34.0.0.4 PIM [12.0.0.0/24] -2 34.0.0.3 PIM [12.0.0.0/24] -3* 23.0.0.2 PIM Multicast disabled [12.0.0.0/24]* When R2 interface facing R1 does nto have pim enabled .. R4#mtrace 12.0.0.1 Type escape sequence to abort. Mtrace from 12.0.0.1 to 34.0.0.4 via RPF >From source (?) to destination (?) Querying full reverse path... 0 34.0.0.4 -1 34.0.0.4 PIM [12.0.0.0/24] -2 34.0.0.3 PIM [12.0.0.0/24] -3 * 23.0.0.2 None No route * ** * * ** On Sun, Mar 31, 2013 at 7:38 AM, Imran Ali <[email protected]> wrote: > i "think" without pim the process did not prceeds and stops right > their.. i will lab up and check it . > > > On Sun, Mar 31, 2013 at 3:40 AM, Tony Singh <[email protected]> wrote: > >> I would guess and say the interfaces are not configured with pim but >> run show ip mroute right the way through & check the flags whilst you >> have a long ping running from the source to the receiver, could be rpf >> failing most common i.e i'll only accept a multicast packet if it's >> received on an interface that is the outgoing interface of the unicast >> source... >> >> good debugs commands are >> >> debug ip mpacket (need to turn off mfib cef where pim is configured) >> debug ip pim >> >> >> BR >> >> Tony >> >> >> On 31 March 2013 00:01, Max Kamali <[email protected]> wrote: >> > Hi, >> > >> > What dose the "None" indicate in the following output from mtrace. I >> have >> > pim sparse-dense mode enabled across all needed interfaces and the pim >> > neighbors are up. the static rp address is 50.0.0.1 >> > >> > thank you, >> > max >> > >> > >> > router_a#mtrace 50.0.0.1 >> > Type escape sequence to abort. >> > Mtrace from 50.0.0.1 to 10.10.10.2 via RPF >> > From source (?) to destination (?) >> > Querying full reverse path... >> > 0 10.10.10.2 >> > -1 10.10.10.2 None [50.0.0.1/32] >> > -2 10.10.10.1 None [50.0.0.1/32] >> > -3 192.168.100.1 None [50.0.0.1/32] >> > -4 192.168.200.2 PIM [50.0.0.1/32] >> > -5 50.0.0.1 >> > _______________________________________________ >> > For more information regarding industry leading CCIE Lab training, >> please >> > visit www.ipexpert.com >> > >> > Are you a CCNP or CCIE and looking for a job? Check out >> > www.PlatinumPlacement.com >> > >> > http://onlinestudylist.com/mailman/listinfo/ccie_rs >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> > > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
