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ADSL to fibre migration

Discussion in 'Networking' started by sieg84, Sep 24, 2018.

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  1. sieg84

    sieg84 Thread Starter

    Joined:
    Jan 10, 2013
    Messages:
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    Hi all,

    I am having problem to migrate from adsl to fibre router migration. When we migrate to fibre, we can ping the router from location B but unable to ping to the servers .There is two location, Location A and B.
    Location A is the main router as per below config. Location B is in another location which we are trying to access the servers location A. IP address range for location B is 192.168.1.0. IP address range for location A is 172.31.22.0 and 192.168.22.1 is added at their firewall. Do i need to add anything or any nat to allow location B to be able to ping their servers 172.31.22.1 and 172.31.22.2?

    interface 0/0
    ip address public ip address
    ip nat outside
    ip virtual-reassembly
    pvc 8/35
    protocol ip ISP public address broadcast
    encapsulation aal5snap
    !
    !

    interface 0/1
    description Lan
    ip address 192.168.22.21 255.255.255.0
    ip nat inside
    ip virtual-reassembly
    ip tcp adjust-mss 1452

    ip forward-protocol nd
    ip http server
    ip http authentication local
    ip http secure-server
    ip http timeout-policy idle 60 life 86400 requests 10000
    !

    ip route 0.0.0.0 0.0.0.0 "ISP public address"
    ip route 172.31.22.0 255.255.0 192.168.22.1
    !
    access-list 1 permit 192.168.1.0 0.0.0.255

    no cdp run
     
  2. zx10guy

    zx10guy Trusted Advisor Spam Fighter

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    Mar 30, 2008
    Messages:
    6,159
    How did it work when you had ADSL service? What was the previous configuration when you were on ADSL? What's the configuration of the router on the other end?

    I don't see any tunneling protocol being used (GRE or VPN).
     
  3. sieg84

    sieg84 Thread Starter

    Joined:
    Jan 10, 2013
    Messages:
    49
    Hi zx10guy,

    When we have adsl services it was working fine with this config, however it does not work when we migrate. Actually the circuit is vpn type, do you think we need to add in nat setting?
     
  4. zx10guy

    zx10guy Trusted Advisor Spam Fighter

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    Messages:
    6,159
    Where's the references to the VPN tunnel? I don't see it in the config.

    Since it looks like you are using an open Internet circuit, you can't send private/non routeable packets over the public Internet. You need to have a tunnel, whether it be GRE or VPN.
     
  5. sieg84

    sieg84 Thread Starter

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    Jan 10, 2013
    Messages:
    49
    there is a self sign certificate, crypto pki certificate, does it matter?
     
  6. zx10guy

    zx10guy Trusted Advisor Spam Fighter

    Joined:
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    Messages:
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    That could be part of the config. The authentication between VPN peers can be done with certificates or with a pre-shared key. But that's not all of the configuration. On both ends, there needs to be a reference to the peer router for the VPN tunnel.

    I don't see anything in the config you posted thus far.
     
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