Symptom
IOS-XE router does not install OSPF route that came from area 0 ABR router. router is in any normal (non-backbone) area. Corresponding Type 3 LSA though presented in LSDB. Route is not installed into the RIB. Example:
ce1#sh ip ospf database summary 10.10.10.10
OSPF Router with ID (192.168.60.214) (Process ID 2)
Summary Net Link States (Area 1)
LS age: 906
Options: (No TOS-capability, DC, Upward)
LS Type: Summary Links(Network)
Link State ID: 10.10.10.10 (summary Network Number)
Advertising Router: 192.168.41.11
LS Seq Number: 80000001
Checksum: 0x2F7D
Length: 28
Network Mask: /32
MTID: 0 Metric: 2
ce1#sh ip route 10.10.10.10 255.255.255.255
% Network not in table
Conditions
IOS-XE router is running in controller mode
ce1#show romvar | i MODE
DEVICE_MANAGED_MODE = controller
Topology:
cedge1 --- (area 1) --- ABR --- (area 0) --- cedge2 -- loopback 10.10.10.10/32
Both cEdges are connected to SD-WAN overlay.
Workaround
configure "capability vrf-lite" (available from 17.4 IOS-XE)
