Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: John Ames Newsgroups: comp.os.linux.misc Subject: Re: Spurious ARP entries... Date: Mon, 14 Jul 2025 08:06:42 -0700 Organization: A noiseless patient Spider Lines: 18 Message-ID: <20250714080642.000009df@gmail.com> References: <104tdg2$22i42$14@dont-email.me> <104v06h$2dvsb$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Injection-Date: Mon, 14 Jul 2025 17:06:46 +0200 (CEST) Injection-Info: dont-email.me; posting-host="612c5be6bad36d1e3d18c3bcb0f4023a"; logging-data="3572483"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18nP1ZbvLi65vwBj/RqXXHW/ZbqhHgoX7w=" Cancel-Lock: sha1:k8m6wyLR0KAcp4UMbJrrg94Zfvw= X-Newsreader: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Xref: csiph.com comp.os.linux.misc:69572 On Sun, 13 Jul 2025 02:30:11 -0400 c186282 wrote: > Old DCHP addresses tend to hang-out in routers. Change them to static > later - doesn't matter. The device/IP info remains in router memory. > Some utilities WILL note this, and try to send packets. Causes no end of trouble in $DAYJOB - try to maintina a local file- share between customers' office PCs and even if Windows isn't being stubborn about NetBIOS name resolution, it's guaranteed that at some point the host machine will get a new IP and yet the same damn router that handed it out will respond to DNS requests with the old IP! (Set it to a static IP and, guaranteed, some "helpful" local IT mook will come along a couple months later and switch it back...) DHCP was a mistake, full stop.