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What's a reliable public IP I can use for monitoring
Posted on 2/16/15 at 12:21 pm
Posted on 2/16/15 at 12:21 pm
I currently have 2 WANs setup, they monitor 8.8.8.8 and 8.8.4.4. Not being able to ping those IPs on an interface results in a failover trigger. We're adding a 3rd ISP feed. What's another good IP to use?
3
Posted on 2/16/15 at 12:53 pm to Casty McBoozer
4.2.2.2???
Posted on 2/16/15 at 1:01 pm to CubsFanBudMan
quote:Yeah, I believe that's a Level3 DNS.
4.2.2.2
Also, if you want to check if DNS is working, I believe you can see if https://www.msftncsi.com/ncsi.txt returns the text "Microsoft NCSI".
Posted on 2/16/15 at 3:38 pm to Casty McBoozer
I always use 8.8.8.8 and 4.2.2.2 I figure there should never be a time when they are both down.
Posted on 2/16/15 at 7:44 pm to SG_Geaux
quote:
I always use 8.8.8.8 and 4.2.2.2 I figure there should never be a time when they are both down.
^This
Posted on 2/17/15 at 9:53 am to Casty McBoozer
-Find your local ISP's public DNS IPs
- Here is a link to a bunch of public DNS servers.
-Public NTP servers. Ping through the NTP.org pools and find their IPs and use them.
-Popular web servers. Just ping the websites and find their IPs. I just got 74.125.227.212 from www.google.com. 98.139.180.149 for www.yahoo.com.
- Here is a link to a bunch of public DNS servers.
-Public NTP servers. Ping through the NTP.org pools and find their IPs and use them.
-Popular web servers. Just ping the websites and find their IPs. I just got 74.125.227.212 from www.google.com. 98.139.180.149 for www.yahoo.com.
Posted on 2/17/15 at 12:54 pm to Hulkklogan
I use 8.8.8.8 and 8.8.4.4. I used to use 4.2.2.2, but have had issues in the past. Also, use the ISP's DNS that they provide.
This post was edited on 2/17/15 at 12:56 pm
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