From owner-freebsd-questions@FreeBSD.ORG Sat Jan 11 20:50:07 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2F661448 for ; Sat, 11 Jan 2014 20:50:07 +0000 (UTC) Received: from nm5-vm5.bullet.mail.ne1.yahoo.com (nm5-vm5.bullet.mail.ne1.yahoo.com [98.138.91.227]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E35D5135A for ; Sat, 11 Jan 2014 20:50:06 +0000 (UTC) Received: from [98.138.100.116] by nm5.bullet.mail.ne1.yahoo.com with NNFMP; 11 Jan 2014 20:50:00 -0000 Received: from [98.138.226.129] by tm107.bullet.mail.ne1.yahoo.com with NNFMP; 11 Jan 2014 20:50:00 -0000 Received: from [127.0.0.1] by smtp216.mail.ne1.yahoo.com with NNFMP; 11 Jan 2014 20:50:00 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1389473400; bh=mucHRMnQm8t0ht8Ncd9Dfg5VVtDhmlXT0/Y1LDanlz4=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:X-Rocket-Received:Date:From:To:Subject:Reply-To:Message-Id:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Mailer; b=RLEQ8CKEyy4dG/IBtBw5584o8pHNRGbpq4D1VZ96XnSL7SOkBhg5UqCyA7/8w/kGP2RpkvYd7GV7smOcn4KoPUd/ngeBP+v+u241bd+fGpuzCJsgC4pvw0m4dj4Nkd2+nGFmwPfnWhMGvOViS9arGb8HY4go7jgTYwo7OYyPAQw= X-Yahoo-Newman-Id: 318219.82937.bm@smtp216.mail.ne1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: dQNJuzEVM1nw9jOuxrTWhx21kUZhHYASMeC8xBuDyKdbli2 sOErqYgYLi7DeM1UDxTuMh_9xlZatv2CWbOm2n9eGk7CEsM_yhjC1j62b1.L 3eYYSR6xsi1vkE7B5zEpprOkOZcs5YISS8eiRC2uC94p6SVP4.Wt3UZJsc5F KC_tsW1PYESyIkmQmvt1c8munAZZH36lk8MMRlIXNexwRIxlwBVEBSDvZjCQ knGgUHb4zlGN2a3qfyFKOblRMkrBz3CiHR4TC8OdsjFhUvo_kx3C97rtpTio zRfi3koZcVdkMorUhj6tqjlC9vVWKhV8V.0mVq4wG1MtU0t6FEU51BhnDqiJ Ul6wvUOKnsiR4v5D8N_Y8X4wdg5K2dBamZzVtcGIWVNj.E3dwrkgwEIu49N. xMBmRpbPIccd1Zx_82IFX78Bmsl03q3B0bIXTZzX3YQdT0N31fRoWE88EqJ3 Td0ULkMd0KZLt3rJRn3E0MjOBUgGTMquj11mubDCbPlCOYZkCoW4ZpigOHcN NODTxmL9jDtheXIs8CGwZPibMqOSlM0q17dfobTl7Te8qZx9Wi182_AfSm5F td2jZNfWju57MNxxMk9.w_Qxm1px.ES2CwY_mVK7XMxpFL_gjxrGsJZns84O n97eGAdSkjLLNSP0WqVwkwxJX_xXQF718cwovf_pmo.TkqVUrOGagHIBVwRu OHeXEIC7GLKOKNIU1NJOlys.JwgoilUTCkUF0xixLIE4_ZZTZ0PdcpAsw5oJ R658WwSZWLdc1YWuJZ14FQWjsZlTth.rZ_0wVxepTNOqKRfAuVphPIWdqF.P f9_D5QoH8SeifvYW.jK3vtMcnDv3HJTbBxzZ2N4ieSNvG4Csl4Q53eWL.BzU lm5146caI5eiyBIbfgvBI4GTioR7dVqVAZ.EPLdbycPghIPucjFjyQGMWunC FLN8JpHj0e_iKplWsu6S6BFZ8ty7Mn59snJ._fTPSe5pEN7N6vbYoU5wnbwC YT6VT344Pk9rhClWCjjNjvXexMiNEZHsq0l8Eh_VVBrCrc10wvHEvoCpEapI QhSWHbnWSpOoWbwYo.X8oV6Wby1AwqxvOYjp8jvuMln8mXpHRJgJmMfxAqMW 6N_CIc9_PKtamVLm7QjdxePoY3gyPHAapUZJAkGYisfSpWvQ- X-Yahoo-SMTP: wDGpPfeswBCEw2oBirJfLQQ0ktKW3ichZt6e0469Tg6z X-Rocket-Received: from [192.168.0.4] (birdfund@96.239.62.123 with plain [98.138.105.21]) by smtp216.mail.ne1.yahoo.com with SMTP; 11 Jan 2014 12:50:00 -0800 PST Date: Sat, 11 Jan 2014 15:50:00 -0500 From: mike miskulin To: freebsd-questions@freebsd.org Subject: traceroute vs ping -R Message-Id: <20140111154959.C363.AA011270@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.65.02 [en] (Evaluation) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list Reply-To: birdfund@yahoo.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Jan 2014 20:50:07 -0000 Hello - Trying to get my head around something. Below are output of ping and traceroute to the same host. I have used ping -R to record the route. I do understand that ping -R will only give a limited number of hops (9?), that is not the question. My question is - why is the output of ping -R so different than traceroute? What happened to the routes listed in the ping -R? Two examples listed below ping -R -c 1 www.bnl.gov PING cache3.bnl.gov (130.199.3.21): 56 data bytes 64 bytes from 130.199.3.21: icmp_seq=0 ttl=55 time=164.759 ms RR: L1.NYCMNY-VFTTP-171.verizon-gni.net (130.81.234.129) B400.NYCMNY-LCR-21.verizon-gni.net (130.81.199.163) lo0-0.NY325-BB-RTR1.verizon-gni.net (130.81.254.41) 0.lo0.BR1.NYC1.ALTER.NET (137.39.3.13) lo-0.edge2.NewYork2.Level3.net (4.68.185.31) vlan723.car4.NewYork1.Level3.net (4.28.72.233) aofacr5-ip-b-bnlmr2.es.net (134.55.220.73) bnl-mr2.es.net (134.55.200.102) cm0515-901.bnl.gov (130.199.3.124) --- cache3.bnl.gov ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 164.759/164.759/164.759/0.000 ms traceroute -n www.bnl.gov traceroute to cache3.bnl.gov (130.199.3.21), 64 hops max, 40 byte packets 1 4.69.134.74 22.045 ms 4.69.134.66 22.459 ms 4.69.148.42 22.432 ms 2 4.69.148.42 19.945 ms 4.69.134.78 24.988 ms 4.69.134.70 27.494 ms 3 4.69.134.78 17.411 ms 4.69.148.38 29.987 ms 4.69.134.74 22.518 ms 4 4.69.148.38 29.938 ms 4.69.134.66 27.454 ms 4.69.148.34 22.485 ms 5 4.69.134.70 19.964 ms 19.969 ms 4.69.134.66 22.477 ms 6 4.69.134.74 29.943 ms 4.69.134.70 19.972 ms 4.69.148.46 19.964 ms 7 4.69.134.70 19.963 ms 4.69.134.66 32.516 ms 22.424 ms 8 4.69.148.38 22.527 ms 4.69.134.74 29.960 ms 4.69.148.38 22.460 ms 9 4.69.155.198 97.481 ms 4.69.155.70 42.435 ms 157.520 ms 10 4.28.72.234 14.955 ms 19.949 ms 22.438 ms 11 134.55.221.138 27.508 ms 42.420 ms 134.55.220.74 19.993 ms 12 198.124.216.190 27.503 ms 19.970 ms 19.995 ms 13 130.199.3.21 19.963 ms !Z 19.995 ms !Z 19.964 ms !Z ping -R -c 1 www.erh.noaa.gov PING a1856.g.akamai.net (23.66.230.18): 56 data bytes 64 bytes from 23.66.230.18: icmp_seq=0 ttl=62 time=22.280 ms RR: L1.NYCMNY-VFTTP-171.verizon-gni.net (130.81.234.129) B300.NYCMNY-LCR-21.verizon-gni.net (130.81.199.155) 0.lo0.GW9.IAD8.ALTER.NET (137.39.7.220) a23-66-230-1.deploy.static.akamaitechnologies.com (23.66.230.1) a23-66-230-18.deploy.static.akamaitechnologies.com (23.66.230.18) a23-66-230-18.deploy.static.akamaitechnologies.com (23.66.230.18) akamai.customer.alter.net (152.179.50.174) 0.lo0.GW9.IAD8.ALTER.NET (137.39.7.220) L100.NYCMNY-VFTTP-59.verizon-gni.net (72.89.90.1) --- a1856.g.akamai.net ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 22.280/22.280/22.280/0.000 ms traceroute www.erh.noaa.gov traceroute: Warning: www.erh.noaa.gov has multiple addresses; using 23.67.244.107 traceroute to a1856.g.akamai.net (23.67.244.107), 64 hops max, 40 byte packets 1 a23-67-244-107.deploy.static.akamaitechnologies.com (23.67.244.107) 16.884 ms 17.379 ms 17.497 ms