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Replace ISP edge router with UTM?

billybobadoo
Good day,

I've got a weird situation on my hands and not sure how to setup the routing.
We currently have two ISPs connected to our UTM and have recent ordered a third, a 100mbit fiber.
The new ISP has NOT provided a physical Cisco router, we were told to provide our own and the ISP provided us the interconnect IP block and the usable IP info.
Can we configure the UTM to take the place of an ISP edge router?
I don't know anything really about routing.. been trying all sorts of configurations with no luck.  Any ideas on how to configure the UTM to correctly pass this traffic?  Having the usable IPs 9.123.168.106 configured to an interface and using static routes for the rest?  This is a UTM 220 with lots of free interfaces.. 

Interconnect Network IP Address: 8.145.3.116
Subnet Mask: 255.255.255.252
Interconnect Default Gateway IP Address: 8.145.3.117 (ISP's pingable gateway)
Interconnect IP Address: 8.145.3.118 (To be assigned to our "cisco" router)

Network IP Addressing Information - Usable:
Usable Network IP: 9.123.168.104 255.255.255.248
Default Gateway IP: 9.123.168.105
Usable IPs: 9.123.168.106 - 9.123.168.110
Broadcast IP: 9.123.168.111

Thank you!! [:$]


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Parents
  • 0
    Hi,

    Configure a new External interface with the 8.145.3.118 address, network mask, and .117 gateway.


    Interconnect Network IP Address: 8.145.3.116
    Subnet Mask: 255.255.255.252
    Interconnect Default Gateway IP Address: 8.145.3.117 (ISP's pingable gateway)
    Interconnect IP Address: 8.145.3.118 (To be assigned to our "cisco" router)



    The second block of addresses
    Network IP Addressing Information - Usable:
    Usable Network IP: 9.123.168.104 255.255.255.248
    Default Gateway IP: 9.123.168.105
    Usable IPs: 9.123.168.106 - 9.123.168.110
    Broadcast IP: 9.123.168.111


    a. Can be used in a DMZ, 
    or 
    b. you can add individual addresses as "Additional Addresses" on the new External interface, and use DNAT to forward incoming traffic, and Masq or SNAT or Multipath for outbound traffic.

    Barry
Reply
  • 0
    Hi,

    Configure a new External interface with the 8.145.3.118 address, network mask, and .117 gateway.


    Interconnect Network IP Address: 8.145.3.116
    Subnet Mask: 255.255.255.252
    Interconnect Default Gateway IP Address: 8.145.3.117 (ISP's pingable gateway)
    Interconnect IP Address: 8.145.3.118 (To be assigned to our "cisco" router)



    The second block of addresses
    Network IP Addressing Information - Usable:
    Usable Network IP: 9.123.168.104 255.255.255.248
    Default Gateway IP: 9.123.168.105
    Usable IPs: 9.123.168.106 - 9.123.168.110
    Broadcast IP: 9.123.168.111


    a. Can be used in a DMZ, 
    or 
    b. you can add individual addresses as "Additional Addresses" on the new External interface, and use DNAT to forward incoming traffic, and Masq or SNAT or Multipath for outbound traffic.

    Barry
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