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02-10-2018 07:49 PM - edited 03-08-2019 01:47 PM
I have set up multiple vlans which all communicate with each other using a layer 3 switch, the PCs / servers can ping to the router, both the inside and outside port, though for the life of me I can't get it past this point.
I have tried setting up NAT to change the IPs, though I dont think this is the problem.
Fake Company public IP Address: 47.10.21.1 – 47.10.21.14 (Used for NAT i think)
Web server IP address: 77.10.18.50/24
ISP router (fa0/0): 77.10.18.1/24
Any help on this would be appreciated, so I can learn what I am doing wrong, I've followed countess YouTube videos and read through my Cisco command guide so much.
Bare in mind i'm a newbie to all this :) thanks in advance.
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02-10-2018 08:53 PM
HI,
Your NAT was configured wrong.
below are the correct configuration:
interface FastEthernet0/0
ip address 7.7.10.14 255.255.255.252
ip nat outside
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 10.0.0.1 255.0.0.0
ip nat inside
duplex auto
speed auto
!
!
ip nat inside source list 1 interface fastEthernet 0/0 overload
Your Fast Ethernet 0/0 is Connects the interface to the outside network.
Don't forget to mark helpful, if it will helpful for you.
Regards,
Deepak Kumar
Deepak Kumar,
Don't forget to vote and accept the solution if this comment will help you!
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02-11-2018 03:39 AM
Please check your NAT ACL also.
In the Access-list 1, there is only one subnet is allowed as 10.0.0.0/24 but you must allow all subnets which are configured in your LAN or allow all. as
access-list 1 permit any
Regards,
Deepak Kumar
Deepak Kumar,
Don't forget to vote and accept the solution if this comment will help you!
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02-10-2018 08:53 PM
HI,
Your NAT was configured wrong.
below are the correct configuration:
interface FastEthernet0/0
ip address 7.7.10.14 255.255.255.252
ip nat outside
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 10.0.0.1 255.0.0.0
ip nat inside
duplex auto
speed auto
!
!
ip nat inside source list 1 interface fastEthernet 0/0 overload
Your Fast Ethernet 0/0 is Connects the interface to the outside network.
Don't forget to mark helpful, if it will helpful for you.
Regards,
Deepak Kumar
Deepak Kumar,
Don't forget to vote and accept the solution if this comment will help you!
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02-11-2018 03:27 AM - edited 02-11-2018 03:28 AM
Hi,
thank you for the reply, I was able to ping from the router to the ISP, though still unable to ping from the PC to the ISP?
I've updated the file on Google Drive.
Any ideas?
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02-11-2018 03:39 AM
Please check your NAT ACL also.
In the Access-list 1, there is only one subnet is allowed as 10.0.0.0/24 but you must allow all subnets which are configured in your LAN or allow all. as
access-list 1 permit any
Regards,
Deepak Kumar
Deepak Kumar,
Don't forget to vote and accept the solution if this comment will help you!
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02-11-2018 03:51 AM
Life saver!
Thank you very much :))))
