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.
EESkyAsked:
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N-WCommented:
The routes you show aren't summary routes, they're standard EIGRP routes which have a default AD of 90.

Post your topology and configurations if you want assistance configuring the summary routes.
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EESkyAuthor Commented:
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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N-WCommented:
You're not seeing an AD of 5 on R1 because it's not the router advertising the summary route. Summary routes with an AD of 5 are only local to the router advertising the summary.

All neighbours of the router advertising the summary route will have the default AD of 90 for the learned route.
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EESkyAuthor Commented:
In order to see the AD 5 of summary, how can I configure it  ? Thank you.
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N-WCommented:
On R1 issue the following commands:
router eigrp 1
distance eigrp 5 5

Open in new window

Then either reboot R1 or disconnect/reconnect the link between R1 and R2.
0
EESkyAuthor Commented:
The command "distance eigrp 5 5" is manual config. If we need default summary AD 5,
the command would not work.
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N-WCommented:
Yes, the administrative distance is always local to the router. You'll need to configure the administrative distance on each router if you don't want to use the default of 90.
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