HI All,
we are configuring the IP SLA on Cisco Router,
we have two Internet links and one router.
I am able to reachable the internet from my PC via 2nd ISP, when I unplug the 2nd ISP cables, now the Primary static route is not showing, and the primary ISP internet from PC is not working..
!
track 1 ip sla 1 reachability
!
track 2 ip sla 2 reachability
!
interface FastEthernet0/0
description Inside Interface - LAN
ip address 10.213.57.20 255.255.255.0
ip nat inside
duplex full
!
interface FastEthernet1/0
no ip address
shutdown
duplex full
!
interface FastEthernet2/0
no ip address
shutdown
duplex full
!
interface FastEthernet3/0
no ip address
shutdown
duplex full
!
interface FastEthernet4/0
description PTCL
ip address 117.20.18.82 255.255.255.248
ip nat outside
shutdown
duplex full
!
interface FastEthernet5/0
no ip address
duplex full
!
interface FastEthernet6/0
description MPLS
ip address 182.176.4.92 255.255.255.248
ip nat outside
duplex full
!
ip nat pool BACKUP 182.176.4.89 182.176.4.94 netmask 255.255.255.248
ip nat pool PRIMARY 117.20.18.81 117.20.18.86 netmask 255.255.255.248
ip nat inside source route-map BACKUP interface FastEthernet6/0 overload
ip nat inside source route-map PRIMARY interface FastEthernet4/0 overload
ip forward-protocol nd
!
!
no ip http server
no ip http secure-server
ip route 0.0.0.0 0.0.0.0 117.20.18.81 track 1
ip route 0.0.0.0 0.0.0.0 182.176.4.89 track 2
!
ip access-list extended NAT_BACKUP
permit ip 10.213.57.0 0.0.0.255 any
ip access-list extended NAT_PRIMARY
permit ip 10.213.57.0 0.0.0.255 any
!
ip sla 1
icmp-echo 117.20.18.81 source-interface FastEthernet4/0
threshold 2
timeout 1000
frequency 3
ip sla schedule 1 life forever start-time now
ip sla 2
icmp-echo 182.176.4.89 source-interface FastEthernet6/0
threshold 1000
timeout 1000
frequency 5
ip sla schedule 2 life forever start-time now
!
route-map BACKUP permit 20
match ip address NAT_BACKUP
!
route-map PRIMARY permit 10
match ip address NAT_PRIMARY
!
!
!
control-plane
!
!
line con 0
stopbits 1
line aux 0
stopbits 1
line vty 0 4
login
!
!
end
Router(config-if)#
Router(config-if)#
Router(config-if)#
Router(config-if)#end
Router#
Router#
Router#sh ip nat
*Feb 15 20:29:03.763: %SYS-5-CONFIG_I: Configured from console by console tr
Router#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
icmp 182.176.4.92:1024 10.213.57.21:6004 8.8.8.8:6004 8.8.8.8:1024
icmp 182.176.4.92:1025 10.213.57.21:6260 8.8.8.8:6260 8.8.8.8:1025
Router#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
icmp 182.176.4.92:1024 10.213.57.21:6004 8.8.8.8:6004 8.8.8.8:1024
icmp 182.176.4.92:1025 10.213.57.21:6260 8.8.8.8:6260 8.8.8.8:1025
icmp 182.176.4.92:1026 10.213.57.21:6516 8.8.8.8:6516 8.8.8.8:1026
icmp 182.176.4.92:1027 10.213.57.21:6772 8.8.8.8:6772 8.8.8.8:1027
Router#sh ip nat translations
Pro Inside global Inside local Outside local Outside global
icmp 182.176.4.92:1024 10.213.57.21:6004 8.8.8.8:6004 8.8.8.8:1024
icmp 182.176.4.92:1025 10.213.57.21:6260 8.8.8.8:6260 8.8.8.8:1025
icmp 182.176.4.92:1026 10.213.57.21:6516 8.8.8.8:6516 8.8.8.8:1026
icmp 182.176.4.92:1027 10.213.57.21:6772 8.8.8.8:6772 8.8.8.8:1027
