Hi, On Thu, Jul 31, 2008 at 04:26:12PM +0300, Pekka Savola wrote: > On Thu, 31 Jul 2008, Gert Doering wrote: > >If not configured, all my Cisco routers do *not* have Loopback interfaces. > > If you ping 127.0.0.1, does the router respond? No. > Which interface has that address? None. Cisco>ping 127.0.0.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 127.0.0.1, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) Cisco>sh ip route 127.0.0.1 % Network not in table (I know that some Cisco boxes use 127.0.0.x for internal communication between blades in a multi-CPU-chassis, like the catalyst 5xxx/6xxx switches - but that's very much *not* a loopback thing) Gert Doering -- NetMaster -- Total number of prefixes smaller than registry allocations: 128645 SpaceNet AG Vorstand: Sebastian v. Bomhard Joseph-Dollinger-Bogen 14 Aufsichtsratsvors.: A. Grundner-Culemann D-80807 Muenchen HRB: 136055 (AG Muenchen) Tel: +49 (89) 32356-444 USt-IdNr.: DE813185279
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