Posted in CCIE R&S, System Management on Jul 28th, 2008
NTP security goal is to prevent unauthorized time sources to affect time synchronization within a set of network devices. Cisco IOS offers two methods of securing NTP infrastructure:... [Read the rest of this entry -->]
Posted in CCIE R&S, CCIE Workbooks, System Management on Jul 19th, 2008
The tutorial presented below is a small excerpt from the “System Management” section of beta IEWB-RS Vol I version 5. ... [Read the rest of this entry -->]
Posted in CCIE R&S, System Management on Feb 3rd, 2008
When you work with a remote rack by using an access-server (e.g. 25xx) with the async lines connected to the console ports of the pod’s routers, you effectively have only one terminal window opened. Using ctrl-Shift-6-x you can quickly switch between terminal lines; however, if you need to monitor “debug” command output on one terminal line, while performing some activity on the other you may face some difficulties. ... [Read the rest of this entry -->]
Posted in CCIE R&S, System Management on Dec 29th, 2007
Hi Brian,...
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Posted in CCIE R&S, System Management on Dec 28th, 2007
Hi Brian,I configured NTP on 2 Routers back-to-back with authentication (md5). So far everything works fine. I removed authentication on one of the Routers (no ntp authenticate) and they continue to sync. I even rebooted the router on which I had removed the authentication and they still sync. Any ideas why?...
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