04-17-2014 03:40 AM - edited 03-07-2019 07:08 PM
Div1 (DW1, DW2), Div2 (DW3, DW4), Div3 (DW5, DW6)
I configured EIGRP as the routing protocol between core and distribution switches. there are static routes configured in core switches. I redistributed static routes in EIGRP.
In each distribution switch, I configured vlans and HSRP.
When I show ip route in DW1, it does not show static routes redistributed from core-1. And in DW2, it does not show static routes redistributed from core-2.
below is output from DW1:
show ip route
Gateway of last resort is 10.111.207.85 to network 0.0.0.0
D*EX 0.0.0.0/0 [170/3072] via 10.111.207.85, 6w2d, GigabitEthernet1/1/2
10.0.0.0/8 is variably subnetted, 36 subnets, 7 masks
D EX 10.0.0.0/8 [170/28416] via 10.111.207.85, 6w2d, GigabitEthernet1/1/2
C 10.111.200.0/24 is directly connected, Vlan200
L 10.111.200.2/32 is directly connected, Vlan200
C 10.111.201.0/24 is directly connected, Vlan210
L 10.111.201.2/32 is directly connected, Vlan210
D 10.111.202.0/24
[90/3328] via 10.111.207.85, 6w2d, GigabitEthernet1/1/2
[90/3328] via 10.111.207.81, 6w2d, GigabitEthernet1/1/1
D 10.111.203.0/24
[90/3328] via 10.111.207.85, 6w2d, GigabitEthernet1/1/2
[90/3328] via 10.111.207.81, 6w2d, GigabitEthernet1/1/1
.............................
sh ip eigrp topology 10.0.0.0/8
EIGRP-IPv4 Topology Entry for AS(100)/ID(192.168.50.2) for 10.0.0.0/8
State is Passive, Query origin flag is 1, 1 Successor(s), FD is 28416
Descriptor Blocks:
10.111.207.85 (GigabitEthernet1/1/2), from 10.111.207.85, Send flag is 0x0
Composite metric is (28416/28160), route is External
Vector metric:
Minimum bandwidth is 100000 Kbit
Total delay is 110 microseconds
Reliability is 255/255
Load is 1/255
Minimum MTU is 1500
Hop count is 1
External data:
Originating router is 192.168.50.3
AS number of route is 0
External protocol is Static, external metric is 0
Administrator tag is 0 (0x00000000)
My question is why static routes redistributed from core switches are not all appeared in DW1 or DW2? In other distribution switches, all static routes are advertised, but Originating router either 192.168.50.2 or 192.168.50.3 which are the vlan interface ip address of DW1 and DW2.
Please help me.
Solved! Go to Solution.
04-21-2014 08:54 AM
Yes, I can see both core switches.
DSW1
sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(100)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
6 192.168.50.3 Vl50 10 4d18h 27 200 0 937
4 192.168.203.3 Vl1203 13 4d18h 27 200 0 938
3 10.111.206.3 Vl260 14 4d18h 37 222 0 936
1 10.111.201.3 Vl210 14 4d18h 33 200 0 939
0 10.111.200.3 Vl200 14 4d18h 29 200 0 940
5 10.111.207.81 Gi1/1/1 10 6w6d 577 3462 0 1234
2 10.111.207.85 Gi1/1/2 14 6w6d 302 1812 0 1136
DSW3
sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(100)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
1 10.111.203.3 Vl230 14 14w2d 5 200 0 490
3 10.111.206.131 Vl261 13 15w6d 5 200 0 492
2 10.111.202.3 Vl220 11 15w6d 25 200 0 489
0 10.111.204.3 Vl240 14 15w6d 4 200 0 491
5 10.111.207.65 Gi1/1/1 13 16w5d 12 200 0 1232
4 10.111.207.69 Gi1/1/2 12 16w5d 1 200 0 1134
Paul
04-21-2014 12:31 PM
Paul
What else are the DS2 switches peering with ?
Just to clarify, you have configured the static routes on each core switch and are redistributing into static on both switches ?
Is you EIGRP configuration the same on both switches ?
Jon
04-22-2014 05:49 AM
DSW2 peering is also about the same as DSW1 as below.
sh ip eigrp neighbors
EIGRP-IPv4 Neighbors for AS(100)
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 10.111.207.89 Gi1/1/1 13 5d14h 21 200 0 1236
6 192.168.50.2 Vl50 14 5d14h 17 200 0 1156
5 192.168.203.2 Vl1203 10 5d14h 17 200 0 1157
4 10.111.206.2 Vl260 11 5d14h 24 200 0 1155
3 10.111.207.93 Gi1/1/2 10 5d14h 13 200 0 1138
2 10.111.201.2 Vl210 14 5d14h 19 200 0 1158
1 10.111.200.2 Vl200 13 5d14h 18 200 0 1159
The EIGRP configuration is he same on both DSW1 and 2.
attached is full configuration for all core and distribution switches. You can read them in any text editor.
Thank you
Paul
04-22-2014 08:53 AM
What's the reason for multiple EIGRP AS?
04-22-2014 09:37 AM
for the EIGRP AS 200, it is for another router for the voice gateway.
04-22-2014 09:47 AM
You typically shouldn't have the same interface in 2 different AS. It can cause issues in the topology table. Several of your network statements overlap between the 2 AS numbers.
04-22-2014 09:32 AM
Can you passive-interface vlan 50 and vlan 1203 on DS1 and DS2? I will typically set passive interface as the default and only do no passive on the interfaces where I want EIGRP neighbor relationships to form. You don't need neighbors on every vlan interface.
Have you done any debugs? I think DS1 and DS2 might be sending summary routes for 10.0.0.0/8 to each other through these vlan interfaces. These summary routes will then be advertised to the upstream core switches. If you remove the vlan neighbor relationships, they won't summarize anything to each other since there's no network boundary to cross.
04-22-2014 09:36 AM
I will try it later since it is a production network.
04-22-2014 10:10 AM
I made all vlan int to passive-interface. and it worked. thank you for your help.
04-21-2014 01:46 PM
When you say the DS configs are mostly the same, does that mean that all DS pairs are EIGRP stub?
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