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Why summary EIGRP AD is still 90 ?

Hi, Expert,

EIGRP summary AD is 5, why did i get AD 90? Please see below

2.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 2.0.0.0/8 [90/409600] via 1.1.12.2, 00:19:35, Ethernet1/0
D 2.2.2.0/30 [90/409600] via 1.1.12.2, 00:19:35, Ethernet1/0

"2.0.0.0" and "2.2.2.0" are summary from its neighbor.

Thank you.

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EESky

ASKER

Thank you for your fast reply. here is relative configs. R1 and R2 are connected to each other by its interface e1/0

R1

interface Ethernet1/0
ip address 1.1.12.1 255.255.255.0

router eigrp 1
network 1.0.0.0

R2

!
interface Loopback0
ip address 2.2.2.2 255.255.255.255
!
!
interface Ethernet1/0
ip address 1.1.12.2 255.255.255.0
ip summary-address eigrp 1 2.2.2.0 255.255.255.252

!
router eigrp 1
network 1.0.0.0
network 2.0.0.0

R1#sh ip route

Gateway of last resort is not set

1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 1.1.12.0/24 is directly connected, Ethernet1/0
L 1.1.12.1/32 is directly connected, Ethernet1/0
2.0.0.0/30 is subnetted, 1 subnets
D 2.2.2.0 [90/409600] via 1.1.12.2, 00:03:12, Ethernet1/0

R2(config-if)#do sh ip route

Gateway of last resort is not set

1.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 1.1.12.0/24 is directly connected, Ethernet1/0
L 1.1.12.2/32 is directly connected, Ethernet1/0
2.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
D 2.2.2.0/30 is a summary, 00:00:51, Null0
C 2.2.2.2/32 is directly connected, Loopback0

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EESky

ASKER

In order to see the AD 5 of summary, how can I configure it ? Thank you.

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