UnixSage

  • Cisco router support manual DST

    The Energy Policy Act of 2005 officially took effect March 11, 2007. This basically extends daylight saving time. The chart built into the most routers is not going to be correct.

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  • Typical ACLs on Edge Routers

    Add the ACLs into the router… This is not a dangerous step, nothing will happen until you apply it on the interface. configure terminal access-list 1 remark Anti Spof for Serial I/F access-list 1 deny 63.

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  • NTP Pool

    NTP Pool is a project to off load some of the hits to the large public NTP servers which have been closing its access due to abuse to usage policy. So a volunteer pool of NTP servers was implemented by a group led by Adrian von Bidder and David Mills (the author of NTP) started this project to stave the tide and give an option that if people just need to sync their clocks, 200 ms (yes that is milli-seconds) one way or another is not a huge deal.

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