How to make the default-route advertised out interface TenGigabitEthernet (SECONDARY_CORE) to be less desirable than the default-route advertised out interface TenGigabitEthernet (PRIMARY_CORE)?
interface TenGigabitEthernet0/6
nameif PRIMARY_CORE
security-level 90
ip address 10.100.100.254 255.255.255.0
ospf priority 0
ospf message-digest-key 1 md5 *****
ospf authentication message-digest
!
interface TenGigabitEthernet0/8
nameif SECONDARY_CORE
security-level 90
ip address 192.168.12.254 255.255.255.0
ospf priority 0
ospf message-digest-key 1 md5 *****
ospf authentication message-digest
!
router ospf 100
router-id 10.100.100.254
network 10.100.100.0 255.255.255.0 area 0
network 192.168.12.0 255.255.255.0 area 0
area 0 authentication message-digest
log-adj-changes
default-information originate
