Incident 8

Figure 1-14. Incident 8 Diagram

Users on Sw3 VLAN 37 have reported that they cannot access services hosted on IP address 226.1.1.1 that are hosted on the Sw1 VLAN 14 interface (120.100.14.1). They report that they can no longer even ping this IP address.

Investigate the issue and perform a successful ping from Sw3 to IP address 226.1.1.1 as follows:

Sw3# ping 226.1.1.1
Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 226.1.1.1, timeout is 2 seconds
Reply to request 0 from 120.100.14.1, 8 ms
Users have indicated to you that they believe the RP should be PE router R4 (120.100.14.4) and that MDT is used with a group-address of 232.0.0.11.

5 points