04-27-2022 05:41 AM
Dear Sir,
i have one cisco 4300 router. router interface details: GE 0/0/0 , GE 0/0/1 , GE 0/0/2.
SP1:117.197.102.219 255.255.255.248 172.24.159.241
ISP2:202.142.74.74 255.255.255.248 202.142.74.73
My current configuration with one ISP only (i want STATIC NAT FAIL-OVER OVER TWO DIFFERENT ISP. )
I
Router#
Building configuration...
Current configuration : 1904 bytes
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! Last configuration change at 10:38:59 UTC Wed Apr 27 2022
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version 16.6
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
no service dhcp
platform qfp utilization monitor load 80
no platform punt-keepalive disable-kernel-core
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hostname Router
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boot-start-marker
boot-end-marker
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vrf definition Mgmt-intf
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address-family ipv4
exit-address-family
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address-family ipv6
exit-address-family
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no aaa new-model
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subscriber templating
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multilink bundle-name authenticated
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license udi pid ISR4331/K9 sn FDO2444109U
diagnostic bootup level minimal
spanning-tree extend system-id
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redundancy
mode none
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interface Loopback0
ip address 117.197.102.219 255.255.255.248
ip nat inside
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interface GigabitEthernet0/0/0
ip address 192.168.14.1 255.255.255.0
ip nat inside
negotiation auto
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interface GigabitEthernet0/0/1
ip address 172.24.159.241 255.255.255.252
ip nat outside
negotiation auto
!
interface GigabitEthernet0/0/2
no ip address
shutdown
negotiation auto
!
interface GigabitEthernet0
vrf forwarding Mgmt-intf
no ip address
shutdown
negotiation auto
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ip nat inside source list 99 interface Loopback0 overload
ip nat inside source list 102 interface Loopback0 overload
ip forward-protocol nd
no ip http server
ip http authentication local
no ip http secure-server
ip tftp source-interface GigabitEthernet0
ip route 0.0.0.0 0.0.0.0 172.24.159.242
ip route 192.168.14.0 255.255.255.0 172.24.159.242
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access-list 99 permit 192.168.14.0 0.0.0.255
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control-plane
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line con 0
transport input none
stopbits 1
line aux 0
stopbits 1
line vty 0 4
login
transport input none
line vty 5 15
login
transport input none
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wsma agent exec
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wsma agent config
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wsma agent filesys
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wsma agent notify
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end
Router#
05-01-2022 12:12 PM
Hey, Jag
My first thought was to implement 2 individual static routes to each of your ISPs PE router. From what I found that is the basic idea for your situation. Here is what I found:
Source:
Well done on being multi-homed btw!
Hope this helps!
larissa
05-01-2022 01:09 PM
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