{"id":1024,"date":"2010-09-28T09:52:34","date_gmt":"2010-09-28T08:52:34","guid":{"rendered":"http:\/\/mccltd.net\/blog\/?p=1024"},"modified":"2010-09-28T09:53:22","modified_gmt":"2010-09-28T08:53:22","slug":"use-cisco-router-as-ntp-source","status":"publish","type":"post","link":"http:\/\/darenmatthews.com\/blog\/?p=1024","title":{"rendered":"Use a Cisco Router as NTP Clock Source"},"content":{"rendered":"<p>An NTP server can provide synchronised date and times for devices in a network. Since a router cannot be a Stratum 1 device (cannot connect to a Stratum 0 device such as a GPS clock), a router is not an accurate source of time information. If this is not important to you, then using a router as an NTP server may be acceptable.<!--more--><\/p>\n<p>To configure the router to work as an NTP server, use the following command in privileged mode:<\/p>\n<blockquote><p>conf t<br \/>\nntp master 8<\/p><\/blockquote>\n<p>The 8 specifies the stratum of this NTP server, essentially the number of hops away from a Stratum 0 device. The default value is 8.<\/p>\n<div id=\"_mcePaste\" style=\"position: absolute; left: -10000px; top: 0px; width: 1px; height: 1px; overflow: hidden;\">\n<h4>An NTP server can provide synchronized date and times for devices in  a network.  Since a router cannot be a Stratum 1 device (cannot connect  to a Stratum 0 device such as a GPS clock), a router is not an accurate  source of time information.  If this is not important to you, then  using a router as an NTP server may be acceptable.<\/h4>\n<p><span id=\"more-1464\"> <\/span><br \/>\nTo configure the router to work as an NTP server, use the following command in configuration mode (following a conf t):<\/p>\n<p><code>ntp master 8<br \/>\n<\/code><\/p>\n<p>The 8 specifies the stratum of this NTP server, essentially the  number of hops away from a Stratum 0 device.  The default value is 8.<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>An NTP server can provide synchronised date and times for devices in a network. Since a router cannot be a Stratum 1 device (cannot connect to a Stratum 0 device such as a GPS clock), a router is not an accurate source of time information. If this is not important to you, then using a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[83],"tags":[],"_links":{"self":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1024"}],"collection":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1024"}],"version-history":[{"count":3,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1024\/revisions"}],"predecessor-version":[{"id":1027,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1024\/revisions\/1027"}],"wp:attachment":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1024"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}