From nobody Sun Feb 13 10:44:06 2022 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0379C19B7102 for ; Sun, 13 Feb 2022 10:44:17 +0000 (UTC) (envelope-from ml@netfence.it) Received: from soth.netfence.it (mailserver.netfence.it [78.134.96.152]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mailserver.netfence.it", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JxP9W54dyz4j2P; Sun, 13 Feb 2022 10:44:15 +0000 (UTC) (envelope-from ml@netfence.it) Received: from [10.1.2.18] (mailserver.netfence.it [78.134.96.152]) (authenticated bits=0) by soth.netfence.it (8.17.1/8.17.1) with ESMTPSA id 21DAi63Y024095 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Sun, 13 Feb 2022 11:44:06 +0100 (CET) (envelope-from ml@netfence.it) X-Authentication-Warning: soth.netfence.it: Host mailserver.netfence.it [78.134.96.152] claimed to be [10.1.2.18] Message-ID: <2d5c3b3c-1ebd-3fd1-f36b-00b09cc6b87e@netfence.it> Date: Sun, 13 Feb 2022 11:44:06 +0100 List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:91.0) Gecko/20100101 Thunderbird/91.6.0 From: Andrea Venturoli Subject: Re: Some strangeness with CARP To: Michael Gmelin References: <594e3d18-9645-3b3f-7a41-87c586fb93ad@netfence.it> <7E1D96A5-AEC5-4F9E-BD65-E3B9E5CCCABE@freebsd.org> Content-Language: en-US Cc: freebsd-net@freebsd.org In-Reply-To: <7E1D96A5-AEC5-4F9E-BD65-E3B9E5CCCABE@freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.84 X-Rspamd-Queue-Id: 4JxP9W54dyz4j2P X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=pass (policy=none) header.from=netfence.it; spf=pass (mx1.freebsd.org: domain of ml@netfence.it designates 78.134.96.152 as permitted sender) smtp.mailfrom=ml@netfence.it X-Spamd-Result: default: False [-2.01 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:78.134.96.152]; MIME_GOOD(-0.10)[text/plain]; HAS_XAW(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_SPAM_SHORT(0.79)[0.792]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[netfence.it,none]; MLMMJ_DEST(0.00)[freebsd-net]; RCVD_COUNT_ONE(0.00)[1]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:35612, ipnet:78.134.0.0/17, country:IT]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On 2/12/22 13:38, Michael Gmelin wrote: > Maybe the switch or something it’s connected to uses vrrp? The switch has no options about VRRP, AFAICT (unless it can be called by a different name) and I don't think any other device could use VRRP. > When using vhid 1, can you see any vrrp traffic using tcpdump You mean "tcpdump vrrp"? In that case I see CARP advertisements, as CARP is using the same protocol number as VRRP. bye & Thanks av.