From users-return-33304-archive-asf-public=cust-asf.ponee.io@cloudstack.apache.org Wed Jul 31 07:42:17 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 2244F18062B for ; Wed, 31 Jul 2019 09:42:17 +0200 (CEST) Received: (qmail 63765 invoked by uid 500); 31 Jul 2019 07:42:14 -0000 Mailing-List: contact users-help@cloudstack.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: users@cloudstack.apache.org Delivered-To: mailing list users@cloudstack.apache.org Received: (qmail 63753 invoked by uid 99); 31 Jul 2019 07:42:14 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 31 Jul 2019 07:42:14 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id 873B8C26B7 for ; Wed, 31 Jul 2019 07:42:13 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.8 X-Spam-Level: * X-Spam-Status: No, score=1.8 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-ec2-va.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id N3x0TRo_BbRx for ; Wed, 31 Jul 2019 07:42:11 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=209.85.166.43; helo=mail-io1-f43.google.com; envelope-from=mdvlinquest@gmail.com; receiver= Received: from mail-io1-f43.google.com (mail-io1-f43.google.com [209.85.166.43]) by mx1-ec2-va.apache.org (ASF Mail Server at mx1-ec2-va.apache.org) with ESMTPS id 4289ABC7F2 for ; Wed, 31 Jul 2019 07:42:11 +0000 (UTC) Received: by mail-io1-f43.google.com with SMTP id g20so134197509ioc.12 for ; Wed, 31 Jul 2019 00:42:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=D4YoGs/sQj020mrQwaGWeL8q2iQVGmb2tv/VMM/gR/k=; b=J54nQY2qj/CS12w9UPKXAcSAl6cJJjMTaxq5+70LbRl5GirmrIK1fOKyyPAkb1h3CU R9J5xb82MNoZ5ANrPu5hv9UOiVeckuYJuF0pHvcMHn9TUal2Ep3aiqylfGPD6nY+1TeC iVjUtHqOov8uCix4XfR92bES7/OQ4oWzWohdDQhg84HZ95KHw1xbyTjAeSrmbPPlOKJ5 M9Y8OL9Hq3s/EXdjjQ1f/ti/+CrsKHseQTszi/23drlxFTP2Xn1BI4Qk8kUGS5LSkUwk YX7JDgh3vV06O4xxemP8Fa+6VxAEwansS9IEG54tg+LQglufUqepqZLPYCoT6DiOGOqh LHyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=D4YoGs/sQj020mrQwaGWeL8q2iQVGmb2tv/VMM/gR/k=; b=DFzNIm3xbr9B9WeerLLOHWPJmCzt2k9ZNEJk+A6+YuF5vIWnqfShJbUKdhW6F6tAJH UHIcNl8+XbKXnx3tK+pzsp+xpSqaFbBzkOEfjKa63LxnFx1ZfuL8uUIrwFo6MIBniiGY gtJoiYK+grS6+gKsL3ZMDMHYeb0NLfx6bBmxPag5fiAtk0xF/PzYMpNUFe3PNLKRpAk2 3PoAte5GeiviLACGCRfpn73/8PBnr2tKV39SvajGmfYwA5PQf/KbJwQzOFU2MND5ifw+ jvqSl5fCQ/OToTfRQxDPtc4UP7NC8JSQ162m7/thYRxFwEN5nM0HGBbnsVWbVw1rsJDx QMKQ== X-Gm-Message-State: APjAAAWBnEzU3RKut/2xmcjN3j5w1A8ZXRv/d3HZaoO0iGKZ663GdLRi fb5Fhs1M+w60hJUN0ml+LMJpQHjXLyY/dd0VyNBUsQ== X-Google-Smtp-Source: APXvYqyGAFjmz+YRiZjHmYQl7BWOtsSJ2rJGrlTtQ/cFThtiR/J3UYA8cqRJ1nmsNVnum1gi9mJTHT3X+KqN4zTP5xU= X-Received: by 2002:a5e:d817:: with SMTP id l23mr11393984iok.282.1564558930432; Wed, 31 Jul 2019 00:42:10 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Fariborz Navidan Date: Wed, 31 Jul 2019 12:12:00 +0430 Message-ID: Subject: Re: How to prevent DHCp conflict? To: users@cloudstack.apache.org Content-Type: multipart/alternative; boundary="000000000000475981058ef5437a" --000000000000475981058ef5437a Content-Type: text/plain; charset="UTF-8" Hello, As we don't run any other DHCP server in our network, it looks like someone is running DHCP server on their VM which conflicts with VR's DHCP server. I ran arping against the conflicting DHCP server's IP address through cloudbr0 and i get replies from it's MAC address. However I'm not sure if this is MAC of a VM's interface or they are running a sort of nestedhypervisor and it belongs to a nested VM. How do I trace and find the abusive VM to stop the conflict? TIA --000000000000475981058ef5437a--