From mboxrd@z Thu Jan 1 00:00:00 1970 From: lejeczek Subject: Re: on the the two IPs unreachable if second interface is up Date: Fri, 25 May 2012 16:35:16 +0100 Message-ID: <4FBFA6B4.6090807@yahoo.co.uk> References: <4FBFA172.2060604@yahoo.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from nm2.bullet.mail.ukl.yahoo.com ([217.146.183.219]:43250 "HELO nm2.bullet.mail.ukl.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752896Ab2EYPfS (ORCPT ); Fri, 25 May 2012 11:35:18 -0400 In-Reply-To: <4FBFA172.2060604@yahoo.co.uk> Sender: netdev-owner@vger.kernel.org List-ID: here is something potentially interesting! when I arping the BOX's public IP from a system/client of the private subnet I get replied with a mac of the BOX's second(private) interface :-[ could this be normal? On 25/05/12 16:12, lejeczek wrote: > hello everybody > > apologies if this may feel off the topic, I was hoping > some net experts could shed some lights on some peculiar > symptoms I experience with one linux box > > a BOX has two net interfaces, a public and private one > public IP is reachable from/via the Internet just fine > public IP is not reachable from the same private network > the BOX's second interface is on > public IP becomes reachable to private subnet immediately > after second(private) interface was turned down > BOX's firewall whether on or off makes no difference > > this is the most peculiar problem of this nature I've ever > experienced > > the goal is simple, have other systems on the same private > subnet as the BOX's second interface to be able to talk to > the BOX's public IP > default gateway for the private subnet is a separate > another system. > > any suggestions as to how to troubleshoot it I would very! > much appreciate > many thanks! > -- > To unsubscribe from this list: send the line "unsubscribe > netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at > http://vger.kernel.org/majordomo-info.html >