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Moving to a new ISP tonight
Hi, we got a new ISP a month ago and it has been running in parallel with our existing ISP on our Cisco firewalls. I moved all the IPSec VPN tunnels over to the new ISP but the internet, ACLs, NATs etc are all still on the old ISP (when I do a whatismyip.com is still shows the old ISP)
We plan on moving everything over tonight to the new ISP (so that it shows the new IP on whatismyip.com) and all the internet traffic, NAT rules from servers, etc.
What all do I need to do and consider?
Can someone go into details about DNS (AWS and internal on DNS server)?
What else?
Anything I need to do in Active Directory? SMTP server? Spam filters (appriver)?
IIS servers?
Anything else?
Thanks.
We plan on moving everything over tonight to the new ISP (so that it shows the new IP on whatismyip.com) and all the internet traffic, NAT rules from servers, etc.
What all do I need to do and consider?
Can someone go into details about DNS (AWS and internal on DNS server)?
What else?
Anything I need to do in Active Directory? SMTP server? Spam filters (appriver)?
IIS servers?
Anything else?
Thanks.
If your ips will be the same
Just be sure gateway for internet is your new isp
Just be sure gateway for internet is your new isp
ASKER
No, we are getting rid of ISP1 (our old ISP) completely
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And be sure when you do nat
change traffic from inside to outside using new ips too specially for amtp server
And any webservice you have
change traffic from inside to outside using new ips too specially for amtp server
And any webservice you have
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About dns if you currently do forwarding to your isp you need to add your new one
Will public ip's change ?