Symptom
* EIGRP adjacency between border leaves do not stay up (adjacency flapping every ~5 seconds)
* Example of Adjacency Flapping Seen on Border Leaves
```
leaf1# show ip eigrp neighbors vrf TENANT:VRF
EIGRP neighbors for process 1 VRF TENANT:VRF
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 192.168.98.1 vlan25 14 00:10:48 1 50 0 12
1 192.168.98.3 vlan25 0 00:00:01 1 3000 1 0
leaf1# show ip eigrp neighbors vrf TENANT:VRF
EIGRP neighbors for process 1 VRF TENANT:VRF
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 192.168.98.1 vlan25 12 00:10:49 1 50 0 12
1 192.168.98.3 vlan25 0 00:00:03 1 3000 1 0
leaf1# show ip eigrp neighbors vrf TENANT:VRF
EIGRP neighbors for process 1 VRF TENANT:VRF
H Address Interface Hold Uptime SRTT RTO Q Seq
(sec) (ms) Cnt Num
0 192.168.98.1 vlan25 15 00:10:50 1 50 0 12
```
Conditions
* EIGRP configured on L3Out
* >= 3 border leaves configured with an SVI with the same VLAN encapsulation
* Border leaves processing EIGRP init packets destined for other border leaves
Workaround
* Upgrade to patched firmware release (e.g. 2.1(3))
Further Problem Description