Thursday, July 16, 2015

Ticket 14 – EIGRP Passive Interface

the neighborship between R4 and DSW1 wasn’t establised. Client 1 can’t ping R4
Configuration on R4:
router eigrp 10
  passive-interface default
  redistribute ospf 1 route-map OSPF->EIGRP
  default-metric 10000 100 255 1 10000
  no auto-summary
Answer 1) R4
Answer 2) IPv4 EIGRP Routing
Answer 3)  enter no passive interface for interfaces connected to DSW1 under EIGRP process (or in Interface f0/1 and f0/0, something like this)
Note: There is a loopback interface on this device which has an IP address of so we have to include the “network″ command.

* Just for your information, in fact Clients 1 & 2 in this ticket CANNOT receive IP addresses from DHCP Server because DSW1 cannot reach (an loopback interface on R4) because of the “passive-interface default” command. But in the exam you will see that Clients 1 & 2 can still get their IP addresses! It is a bug in the exam.


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