Cisco-routing
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Cisco: OSPF conditional inject of a Default Route
I believe most of you are familiar how OSPF is injecting a default route in a normal area. If not, you can find ...0 comments
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Cisco: How to selective drop packets without using an access-list
The title actually was a request that I encounter during my CCIE RS preparation. Of course, that in the real world, I would go straight forward and implement an access-list do drop selected packets. But ...0 comments
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Cisco: Engineer’s trick to avoid suboptimal path
I was explaining in the previous post what is the difference between optimal and suboptimal path and how to avoid the use of not such a good path in ...8 comments
More in Cisco-routing
Cisco-security
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Cisco: DoS protection using TCP Intercept
Every now and then, all network engineers have to deal with some kind of network attack. Usually, the attack does not target the network devices, but the machines that provide services (e.g. www, database hosting...), ...0 comments
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Cisco: How to use reflexive access-list and why they are useful
Reflexive access-list are one of the method that help us achive firewall functionality with a router hardware. The other methods that serve to the same purpose are Context-Based Access Control (CBAC) and TCP Intercept. For ...2 comments
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Cisco: How to configure privileges for local users
I believe that all of you are familiar with privilege levels (0-15) on Cisco IOS. The most useful for network engineers is level 15 and the highest one as it will allow you full access ...2 comments
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