From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from tncsrv06.tnetconsulting.net (tncsrv06.tnetconsulting.net [45.33.28.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B320E33C9 for ; Thu, 28 Mar 2024 03:37:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.33.28.24 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711597045; cv=none; b=ZZjv4RJAcxBW7nYuDjdJ/LDBnYlBy41PGGOdut+2qBeFS9Xc9wLs9vOrP+B2EEeqQoYwnk0lX+k5zyaUEMVrVbP1jN+461hyXVCkLDCc2vlj4q3TUPW8wDsZvNrNiIDvKbiOdibkwxm2ipKE2e1Ri+3CFTK/lHBwZmfvVjiwyyI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711597045; c=relaxed/simple; bh=ZIiZ4pTTEVqqisgP/wJd8s/e/74Wy116I2Kegsn0McU=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=W3bqms1GgbeY21x/FSQXWhIeSXr2HqPM7pl5fXv7RTKQ09X+P2BabLw1Y/2FGCHxwYZV1V+3Y5QTDqrWhFA+veeK67XqpL1HBTSTMM5pqaeJLNCMktnMnePAp0I1Df80w7bEXRG5x1ketIzrlHDDmBd8bcNJPqcoG4xpHuRACqY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=tnetconsulting.net; spf=pass smtp.mailfrom=tnetconsulting.net; dkim=pass (1024-bit key) header.d=tnetconsulting.net header.i=@tnetconsulting.net header.b=4v9QAES1; arc=none smtp.client-ip=45.33.28.24 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=tnetconsulting.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tnetconsulting.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=tnetconsulting.net header.i=@tnetconsulting.net header.b="4v9QAES1" Received: from Contact-TNet-Consulting-Abuse-for-assistance by tncsrv06.tnetconsulting.net (8.15.2/8.15.2/Debian-3) with ESMTPSA id 42S3akLT031973 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO) for ; Wed, 27 Mar 2024 22:36:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tnetconsulting.net; s=2019; t=1711597006; bh=4RV5IZUl+rPGeCpvFShYiaXf5vVRLcLWl92BcpM2hQ0=; h=Message-ID:Date:MIME-Version:User-Agent:Subject:Content-Language: To:References:From:In-Reply-To:Content-Type:Cc:Content-Disposition: Content-Language:Content-Transfer-Encoding:Content-Type:Date:From: In-Reply-To:Message-ID:MIME-Version:References:Reply-To: Resent-Date:Resent-From:Resent-To:Resent-Cc:Sender:Subject:To: User-Agent; b=4v9QAES1/fm2tHpucBVx3JvV3qZS19itB+CdmjhN7Zz5yzKia09rZb3BC9KdWhs7a Rigcxg1/2lVjBdGIXlIGZBxojYQorWvwhyaO2yeeH6r1FQphqka5oOp9bjYunqzrdy 2qrH2pefOIklCOH4N2g/n35I5ygMmXLbSighl7Yw= Message-ID: <6a920308-9b3c-45cb-b0ca-587a378f6705@tnetconsulting.net> Date: Wed, 27 Mar 2024 22:36:46 -0500 Precedence: bulk X-Mailing-List: lartc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Ping over IPv6 IP6IP6 tunnels not working Content-Language: en-US To: Linux Advanced Routing & Traffic Control References: From: Grant Taylor In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="------------ms050204080809010907010402" This is a cryptographically signed message in MIME format. --------------ms050204080809010907010402 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/22/24 05:57, Martin Maurer wrote: > Hello, Hi, > I am using 2 Raspberry Pis and trying to establish tunnels: 2 for IPv4 > and 2 for IPv6. I used separate ones, so in sum 4 tunnels. I'm not sure why you're using two tunnels, but I seriously doubt that's causing any problems for you. > I have done the following changes/calls: I've quickly skimmed your commands and don't see anything that stands out as obviously wrong. > $ sudo ping -6 -I mytunnel1ipv6 2001:4860:4860::8888 > ping: connect: Network is unreachable > $ sudo ping -6 -I mytunnel2ipv6 2001:4860:4860::8888 > ping: connect: Network is unreachable > $ I think "Network is unreachable" means that the kernel doesn't think it has a viable route to the network. > I can also ping the "outer" (real) addresses: Can you ping the inner IP address on the far side of the IP-IP tunnel? If you can't ping the IP that you're trying to use as a gateway to get to the 2001::/4 network, the kernel would think that it doesn't have a functioning route. > I know the 2001::/4 in "route add" is not useable for all Internet IPv6 > addresses, but at least for these test pings that shall be enough? Agreed. > Someone an idea, what could be wrong/missing? Start with basics, can you ping the far inside IP of the tunnel(s). > Many thanks! :-) -- Grant. . . . --------------ms050204080809010907010402 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCC C0owggUyMIIEGqADAgECAhEA0VX8K1B6bsGDH67kXwHPWzANBgkqhkiG9w0BAQsFADCBljEL MAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4GA1UEBxMHU2Fs Zm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMT4wPAYDVQQDEzVTZWN0aWdvIFJTQSBD bGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBFbWFpbCBDQTAeFw0yMzExMTIwMDAw MDBaFw0yNDExMTEyMzU5NTlaMCsxKTAnBgkqhkiG9w0BCQEWGmd0YXlsb3JAdG5ldGNvbnN1 bHRpbmcubmV0MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzOnBjTJUlBTzN81c PlYErJc9kEbTI/hXq0NA6ZoG4VM6puYTEXtITANjgX+NRwwHjldESnC8dvh6Mx5ckEk9sWoD l8Yr/dWhF3s4fGxAX5ziOeuBI/yX7rKJn6DOwclV3C6dyt3zrLB6LOiF4gA+lk/o3EbOwoPh pW2MqAywy18OIvzfmEXKdya8E/uIP4v/8AHmtakxHfmZ33Krbwh2oia69esRKc7q2i3Jh+ar Tf3PuZJETd86Sb0Lz1+3zAXcYko2/3G9O9AwtUSDvkx5IUKieG8R4a8HLwuUTBNIsJ0qOdmv 4hUjc3IsP0jN+xebTE4w7PheolE/OStiFshpKQIDAQABo4IB4zCCAd8wHwYDVR0jBBgwFoAU CcDy/AvalNtf/ivfqJlCz8ngrQAwHQYDVR0OBBYEFPUkNRFsHVlNMgaz3G4kfNa8DU4VMA4G A1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMEBggrBgEF BQcDAjBQBgNVHSAESTBHMDoGDCsGAQQBsjEBAgEKATAqMCgGCCsGAQUFBwIBFhxodHRwczov L3NlY3RpZ28uY29tL1NNSU1FQ1BTMAkGB2eBDAEFAQIwWgYDVR0fBFMwUTBPoE2gS4ZJaHR0 cDovL2NybC5zZWN0aWdvLmNvbS9TZWN0aWdvUlNBQ2xpZW50QXV0aGVudGljYXRpb25hbmRT ZWN1cmVFbWFpbENBLmNybDCBigYIKwYBBQUHAQEEfjB8MFUGCCsGAQUFBzAChklodHRwOi8v Y3J0LnNlY3RpZ28uY29tL1NlY3RpZ29SU0FDbGllbnRBdXRoZW50aWNhdGlvbmFuZFNlY3Vy ZUVtYWlsQ0EuY3J0MCMGCCsGAQUFBzABhhdodHRwOi8vb2NzcC5zZWN0aWdvLmNvbTAlBgNV HREEHjAcgRpndGF5bG9yQHRuZXRjb25zdWx0aW5nLm5ldDANBgkqhkiG9w0BAQsFAAOCAQEA PQ6Jlp6ozAXKe2VGjovH67KxmyxktTuxPbxyTMtA0WwiCBiWgpF7SVmJCN8501uAeVqhEUeW 66J11qs2jBuLqsaUjiA114qU1wMBD2tsDZI14Amn1C50YWTqBQDbrvwAqV2yYPOWF6/N8xHF wXod6jsRnGjK541AkLQU0MjFPpL0orVEsPsV5TaUB3tDCKzzdRvZ0Ey7DlxgGCXeGstFkwDe aJmBgHmD76iZ9Bil/TEsQ62zwcvq6w1df8+iODIgbx0WKGhrqn0coyeEtumaKh8Mya8KPyHI 6UqjcbkWbefnEduO/T1Dc9E9jBakSAgPUbUdRAZnpiVDLH7G2yOBJjCCBhAwggP4oAMCAQIC EE2ULBDUO+CUCcWBLTorBk8wDQYJKoZIhvcNAQEMBQAwgYgxCzAJBgNVBAYTAlVTMRMwEQYD VQQIEwpOZXcgSmVyc2V5MRQwEgYDVQQHEwtKZXJzZXkgQ2l0eTEeMBwGA1UEChMVVGhlIFVT RVJUUlVTVCBOZXR3b3JrMS4wLAYDVQQDEyVVU0VSVHJ1c3QgUlNBIENlcnRpZmljYXRpb24g QXV0aG9yaXR5MB4XDTE4MTEwMjAwMDAwMFoXDTMwMTIzMTIzNTk1OVowgZYxCzAJBgNVBAYT AkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGDAW BgNVBAoTD1NlY3RpZ28gTGltaXRlZDE+MDwGA1UEAxM1U2VjdGlnbyBSU0EgQ2xpZW50IEF1 dGhlbnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IB DwAwggEKAoIBAQDKPO2UCkH/3vlGuejWO+bakr8rEE6qGryCvb4mHCkqKtLNnFCBP22ULvOX qGfV9eNKjkypdR8i0yW2sxpepwRIm4rx20rno0JKuriIMpoqr03E5cWapdfbM3wccaNDZvZe /S/Uvk2TUxA8oDX3F5ZBykYQYVRR3SQ36gejH4v1pXWuN82IKPdsmTqQlo49ps+LbnTeef8h Nfl7xZ8+cbDhW5nv0qGPVgGt/biTkR7WwtMewu2mIr06MbiJBEF2rpn9OVXH+EYB7PmHfpsE kzGp0cul3AhSROpPyx7d53Q97ANyH/yQc+jl9mXm7UHR5ymr+wM3/mwIbnYOz5BTk7kTAgMB AAGjggFkMIIBYDAfBgNVHSMEGDAWgBRTeb9aqitKz1SA4dibwJ3ysgNmyzAdBgNVHQ4EFgQU CcDy/AvalNtf/ivfqJlCz8ngrQAwDgYDVR0PAQH/BAQDAgGGMBIGA1UdEwEB/wQIMAYBAf8C AQAwHQYDVR0lBBYwFAYIKwYBBQUHAwIGCCsGAQUFBwMEMBEGA1UdIAQKMAgwBgYEVR0gADBQ BgNVHR8ESTBHMEWgQ6BBhj9odHRwOi8vY3JsLnVzZXJ0cnVzdC5jb20vVVNFUlRydXN0UlNB Q2VydGlmaWNhdGlvbkF1dGhvcml0eS5jcmwwdgYIKwYBBQUHAQEEajBoMD8GCCsGAQUFBzAC hjNodHRwOi8vY3J0LnVzZXJ0cnVzdC5jb20vVVNFUlRydXN0UlNBQWRkVHJ1c3RDQS5jcnQw JQYIKwYBBQUHMAGGGWh0dHA6Ly9vY3NwLnVzZXJ0cnVzdC5jb20wDQYJKoZIhvcNAQEMBQAD ggIBAEFEdQCrOcIV9d6OlW0ycWiMAN0X13ocEDiQyOOxvRcxkfO244K0oX7GzCGHYaqRbklC szzNWVT4DZU/vYrLaeVEDUbCYg+Ci7vhNn9dNqscbzN0xKBoOuRVjPPWDechU70geT3pXCxp wi8EXwl+oiz7xpYfY99JSs3E/piztTSxljHitcPr5yoWr9lbkFR8KU3+uGTZ11BfKfuSSaRr ZFBv133SeY0d2AqvB9Dj2ZDaFZA0OQkkhfAqNgDpVRH99lQV4JSKx0N7/QAEtMj6OF5dRXV6 hhXuU3A0Eql4d0247oBpxvnfcmV95QfG8HP059hZSJe7T2wwC+IzXVDQO4xnnvrQJ07ZWemx c/grFpgiG+o+pQxapF1bKftysi02Rl6uhdp5wbTeLeYzt2SI9oKSChwGDQQFixtkNnxuwbdr TwvASwvViDPdIGzIQJrTBqriE5/9nzkXbDZmld8/7DyriJ/A73RIZllX4dH8mHqsRpU8NEX8 IQZWpHWGK5A5nVgvl7MxNfRlIvCvKZQTSnCL8oNqJgHXm6zCB4gBwDonM8V/2kuQAUVazVA3 I376eIWGwzjuqh3H88v7mNHzubLHm5h0ERCSQNz6UoHVZy3q5xeqbYSaxpDQz3lCNObL6sNa OQNh3DcyzqZJYTcGfuLlmC3AIteAAh7lbybJszYnMYIENTCCBDECAQEwgawwgZYxCzAJBgNV BAYTAkdCMRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQx GDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE+MDwGA1UEAxM1U2VjdGlnbyBSU0EgQ2xpZW50 IEF1dGhlbnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0ECEQDRVfwrUHpuwYMfruRfAc9b MA0GCWCGSAFlAwQCAQUAoIICWTAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3 DQEJBTEPFw0yNDAzMjgwMzM2NDZaMC8GCSqGSIb3DQEJBDEiBCDkRk29IuzP6W/W+NPyaudd WXuziXc4MgBwrEWoTmtCbTBsBgkqhkiG9w0BCQ8xXzBdMAsGCWCGSAFlAwQBKjALBglghkgB ZQMEAQIwCgYIKoZIhvcNAwcwDgYIKoZIhvcNAwICAgCAMA0GCCqGSIb3DQMCAgFAMAcGBSsO AwIHMA0GCCqGSIb3DQMCAgEoMIG9BgkrBgEEAYI3EAQxga8wgawwgZYxCzAJBgNVBAYTAkdC MRswGQYDVQQIExJHcmVhdGVyIE1hbmNoZXN0ZXIxEDAOBgNVBAcTB1NhbGZvcmQxGDAWBgNV BAoTD1NlY3RpZ28gTGltaXRlZDE+MDwGA1UEAxM1U2VjdGlnbyBSU0EgQ2xpZW50IEF1dGhl bnRpY2F0aW9uIGFuZCBTZWN1cmUgRW1haWwgQ0ECEQDRVfwrUHpuwYMfruRfAc9bMIG/Bgsq hkiG9w0BCRACCzGBr6CBrDCBljELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFu Y2hlc3RlcjEQMA4GA1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMT4w PAYDVQQDEzVTZWN0aWdvIFJTQSBDbGllbnQgQXV0aGVudGljYXRpb24gYW5kIFNlY3VyZSBF bWFpbCBDQQIRANFV/CtQem7Bgx+u5F8Bz1swDQYJKoZIhvcNAQEBBQAEggEATdEQHINHJjix 4SufPZVaBvF2uKc2q1zHxIZ/JJbrtS4HhcZ1tNoN7uk5aEkwyJ6i78Emv0dTNjMO9EitRKHx /hGC1E8k1rGOHmENEAeSlD3pBShekvvM84sQQWTeoC085g6SeQeNmVqp/7Z4T2jE1QC55TTu dTyS/rwtyepjGMwsxdDXl2LqhZDf225Lxiz4Cj1YGjg5u2xXgUAPKI3kgXGD/Jbn+nIMc3AA 6fS6p0e7TVvClCAvmni+65QRoxl18IApVDbTFRHxQOD6X89HMDUDI4PJcen7AA27kj7opVwM DXQ4CBnbxyp8oa2mCNSoEeL+F+l5clhIkOCdDPERSgAAAAAAAA== --------------ms050204080809010907010402--