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Problem in Dual ISP on cisco 1941.

rajan.engineer
Level 1
Level 1

Hello, 

i have cisco 1941 router. i configured as below even i can able to ping my WAN ip which is on gig0/0 ( ISP1) but can not able to ping my  gig0/1 ip address (ISP 2).

 

from client site whoever on ISP one there is no problem everybody can go on internet. 

but ISP configured they can not able to surf website. 

i can able to ping google dns using isp 2 source as below. 

ping 8.8.8.8 source vlan 89
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
Packet sent with a source address of 20.20.20.2
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/18/20 ms

 

please provide solution. 

configured as below. 

interface GigabitEthernet0/0
 description $$ FACING INTERFACE TO ISP 1 $$
 ip address 1.1.1.1 255.255.255.248
 ip nat outside
 ip virtual-reassembly in
 duplex full
 speed 100
!
interface GigabitEthernet0/1
 description $$ facing internet to Oneconnect $$
 ip address 2.3.4.5 255.255.255.252
 ip nat outside
 ip virtual-reassembly in
 duplex auto
 speed auto
!
interface GigabitEthernet0/1/0
 description -vlan-10-50
 switchport mode trunk
 no ip address
!
interface GigabitEthernet0/1/1
 description -Accounts
 switchport access vlan 89
 no ip address
!
interface GigabitEthernet0/1/2
 no ip address
!
interface GigabitEthernet0/1/3
 switchport mode trunk
 no ip address
!
interface Vlan1
 ip address 192.168.0.2 255.255.255.0
 ip flow ingress
 ip nat inside
 ip nat enable
 ip virtual-reassembly in
 ip policy route-map PBR
!
interface Vlan10
 no ip address
!
interface Vlan30
 description -Voice
 ip address 10.233.30.2 255.255.255.0
 ip policy route-map PBR
!
interface Vlan40
 description -Wifi
 ip address 10.233.40.2 255.255.248.0
 ip flow ingress
 ip nat inside
 ip virtual-reassembly in
 ip policy route-map PBR
!
interface Vlan89
 description -Account-Data
 ip address 20.20.20.2 255.255.255.0
 ip flow ingress
 ip nat inside
 ip virtual-reassembly in
 ip policy route-map PBR
!
interface Vlan99
 description -Account-Wifi
 ip address 30.30.30.2 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
!
ip forward-protocol nd
!
no ip http server
ip http secure-server
ip flow-capture ip-id
ip flow-aggregation cache protocol-port
 cache entries 2048
 cache timeout inactive 600
 cache timeout active 60
 enabled
!
ip flow-aggregation cache source-prefix
 cache entries 2048
 cache timeout inactive 600
 cache timeout active 60
 mask source minimum 32
 enabled
!
ip flow-aggregation cache destination-prefix
 cache entries 2048
 cache timeout inactive 600
 cache timeout active 60
 mask destination minimum 24
 enabled
!
ip flow-aggregation cache prefix-port
 cache entries 2048
 cache timeout inactive 600
 cache timeout active 60
 mask destination minimum 32
 enabled
!
ip flow-top-talkers
 top 20
 sort-by packets
 cache-timeout 10000
 match protocol udp
!
ip nat inside source list 100 interface GigabitEthernet0/0 overload
ip nat inside source list 101 interface GigabitEthernet0/1 overload
ip nat inside source static tcp 192.168.0.18 132 209.29.232.35 132 extendable
ip route 0.0.0.0 0.0.0.0 1.1.1.2 name ftc
ip route 0.0.0.0 0.0.0.0 2.2.2.1 name Oneconnect
!
access-list 100 permit ip 192.168.0.0 0.0.0.255 any
access-list 100 permit ip 10.233.40.0 0.0.7.255 any
access-list 101 permit ip 20.20.20.0 0.0.0.255 any
access-list 101 permit ip 30.30.30.0 0.0.0.255 any
!
route-map PBR permit 100
 match ip address 100
 set ip next-hop 209.29.232.33
!
route-map PBR permit 101
 match ip address 101
 set ip next-hop 68.232.69.213
!

 

1 Reply 1

Mark Malone
VIP Alumni
VIP Alumni

you can only have 1 active default route in a router at 1 time , your telling traffic from any source to any destination thats not known go to 2 different directions , only 1 of those defaults will be in your show ip route table , you need to be more granular with the static routes