EIGRP Query

EIGRP AS 100 is running on  all interfaces of all routers. R4 has a distribution list.

R4#sh access-list 10
Standard IP access list 10
    10 permit 192.168.1.0, wildcard bits 0.0.0.255 (7 matches)
R4(config-router)#do sh run | s eigrp
router eigrp 100
 network 0.0.0.0
 distribute-list 10 out
 no auto-summary

R5 and R6 routing tables:

R5#sh ip route
...
     100.0.0.0/24 is subnetted, 2 subnets
C       100.100.45.0 is directly connected, FastEthernet0/0
C       100.100.56.0 is directly connected, FastEthernet0/1
D    192.168.1.0/24 [90/161280] via 100.100.45.4, 00:00:05, FastEthernet0/0
R5#

R6#sh ip route
... 
    100.0.0.0/24 is subnetted, 2 subnets
D       100.100.45.0 [90/30720] via 100.100.56.5, 01:00:20, FastEthernet0/0
C       100.100.56.0 is directly connected, FastEthernet0/0
D    192.168.1.0/24 [90/163840] via 100.100.56.5, 00:01:11, FastEthernet0/0

When shut the link between R3 and R4, the follow queries are received on R5 and R6:

                                                                               R5:
 

 

 

 

R6