I. Problems
GRE channel is used between r3 and r1. All router interfaces are configured as sparse-mode, and the R4 ip address is 1.1.4.4). However, R1 cannot ping multicast sources.
Ii. below
Multicast source ----- R5------R3-------R223----R1 -- e0
........................................ .... |
........................................ .... |
........................................ .... R4
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3. The original configuration is as follows:
R1 # mtrace 1.1.15.1 150.100.2.1 239.20.8.8
Type escape sequence to abort.
Mtrace from 1.1.15.1 to 150.100.2.1 via group 239.20.8.8
From source (?) To destination (?)
Querying full reverse path...
0 150.100.2.1
-1 1.1.12.5 PIM [default]
-2 1.1.12.3 PIM [default]
-3 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-4 1.1.16.3 PIM [default]
-5 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-6 1.1.16.3 PIM [default]
-7 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-8 1.1.16.3 PIM [default]
-9 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-10 1.1.16.3 PIM [default]
-11 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-12 1.1.16.3 PIM [default]
-13 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-14 1.1.16.3 PIM [default]
-15 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-16 1.1.16.3 PIM [default]
-17 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-18 1.1.16.3 PIM [default]
-19 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-20 1.1.16.3 PIM [default]
-21 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-22 1.1.16.3 PIM [default]
-23 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-24 1.1.16.3 PIM [default]
-25 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-26 1.1.16.3 PIM [default]
-27 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-28 1.1.16.3 PIM [default]
-29 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-30 1.1.16.3 PIM [default]
-31 1.1.16.4 PIM Reached RP/Core [1.1.15.0/24]
-32 1.1.16.3 PIM [default]