Please help me, I encountered an issue Serial is up line protocol is down (disabled) in R-1 router.
Router 1 config:-
R-1#sh run
Building configuration...
Current configuration : 867 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R-1
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
license udi pid CISCO1941/K9 sn FTX15243I0W-
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0
ip address 10.10.10.1 255.255.255.0
duplex auto
speed auto
!
interface GigabitEthernet0/1
no ip address
duplex auto
speed auto
shutdown
!
interface Serial0/0/0
ip address 2.2.2.1 255.255.255.0
!
interface Serial0/0/1
no ip address
clock rate 2000000
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 172.16.0.0 255.255.255.0 2.2.2.2
ip route 192.168.10.0 255.255.255.0 2.2.2.2
ip route 3.3.3.0 255.255.255.0 2.2.2.2
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
Router 2 Config:-
R-2#sh run
Building configuration...
Current configuration : 860 bytes
!
version 15.1
no service timestamps log datetime msec
no service timestamps debug datetime msec
no service password-encryption
!
hostname R-2
!
!
!
!
!
!
!
!
no ip cef
no ipv6 cef
!
!
!
!
license udi pid CISCO2901/K9 sn FTX1524MON4-
!
!
!
!
!
!
!
!
!
!
!
spanning-tree mode pvst
!
!
!
!
!
!
interface GigabitEthernet0/0
no ip address
duplex auto
speed auto
shutdown
!
interface GigabitEthernet0/1
ip address 172.16.0.1 255.255.255.0
duplex auto
speed auto
!
interface Serial0/0/0
ip address 2.2.2.2 255.255.255.0
no keepalive
clock rate 2000000
!
interface Serial0/0/1
ip address 3.3.3.1 255.255.255.0
!
interface Vlan1
no ip address
shutdown
!
ip classless
ip route 10.10.10.0 255.255.255.0 2.2.2.1
ip route 192.168.10.0 255.255.255.0 3.3.3.2
!
ip flow-export version 9
!
!
!
!
!
!
!
!
line con 0
!
line aux 0
!
line vty 0 4
login
!
!
!
end
