News about ccie home labUnicast Reverse Path Forwarding-Tutorial
Thu, 10 Jul 2008 15:15:07 +0000
Unicast Reverse Path Forwarding is a small security feature
When configured on an interface, the router checks the incoming packet’s source address with its routing table. If the incoming packet’s source is reachable via the same interface it was received, the packet is allowed. URPF provides protection again spoofed packets with unverifiable source.
Though basically a single ...]
Narbik Kocharians/Micronics and IPExpert.com Partnering
Mon, 07 Jul 2008 23:48:07 +0000
IPExpert.com released this news byte today discussing a partnership between Micronics Training and IPExpert. Here’s an excerpt from the press release:
“In order to facilitate a candidate’s desire to study with multiple vendor-provided materials and courses, IPexpert has partnered with Micronics, Inc., a competitor in some respects. Through this arrangement, a customer is able to purchase ...]
NTP Access Control
Tue, 29 Jul 2008 05:24:56 +0000
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:
1) NTP Access Control. Limit types of NTP access and NTP sources associating with out router.
2) NTP Authentication. Validate the identity of NTP sources.
Let’s see how access control works. It ...]
Narbik Kocharians/Micronics and IPExpert.com Partnering
Mon, 07 Jul 2008 23:48:07 +0000
IPExpert.com released this news byte today discussing a partnership between Micronics Training and IPExpert. Here’s an excerpt from the press release:
“In order to facilitate a candidate’s desire to study with multiple vendor-provided materials and courses, IPexpert has partnered with Micronics, Inc., a competitor in some respects. Through this arrangement, a customer is able to purchase ...]
Three show commands that will help you as a Cisco Admin
Thu, 24 Jul 2008 21:25:11 +0000
Show version – This command lists information like the IOS filename and version currently in use. Another very important thing this command shows is the configuration register value The register value 0×2102 is the default factory value. You will need this value, for instance, if you do not know the password on your router. For ...]
Lab 3
Thu, 06 Jul 2006 00:04:44 +0000
While copying and pasting the DHCP configs, forgot to change the default gateway for second scope
Did not set ntp master in router
forgot to set ntp in subscriber, had to go back and do it again
forgot ...]
All this matter was written with passion, which led to the speedy completion of this writing on ccie home lab. Let this passion burn for some time.
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