Is it that atypical for these public-facing services to drop ICMP when they get hot? I'd not consider it an indicator of service down unless you're getting SRVFAILs
James Host Architect - CDN Platform E: [email protected] On Tue, Feb 8, 2022 at 12:01 PM Christopher Conley via Outages < [email protected]> wrote: > This happens occasionally on 8.8.8.8 and 8.8.4.4. We used to use these IPs > as Internet reachability tests for determining failover to backup circuits > and moved away from it after the first occurrence of this happening. > > > > -- > > Christopher Conley > > Systems Administrator | Fors Marsh Group > > 1010 N. Glebe Rd, Suite 510 > > Arlington, VA 22201 > > > > *From:* Outages <[email protected]> *On Behalf Of *Justin > Krejci via Outages > *Sent:* Tuesday, February 8, 2022 2:34 PM > *To:* [email protected] > *Subject:* [EXTERNAL] [outages] Ping to Google 8.8.8.8 > > > > Seeing some hosts and not others get no reply to ICMP pings from the > Minneapolis, MN area. I checked using HE's looking glass, 1 of their 2 > Minneapolis routers gets no replies. Since many use and assume 8.8.8.8 is > invincible, this has now started setting off monitoring alerts. DNS queries > so far seem unaffected. > _______________________________________________ > Outages mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/outages >
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