Applying LFI on Multilink PPP for Real-Time Traffic(VOIP)

LFI stands for Link Fragmentation and interleaving is not of QoS mechanism. However, it is help for real-time traffic such as VOIP on small size…

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How to setup Advanced TFTP Server on Linux (SuSE)

Advanced TFTP server & client is simple to setup and use on Linux box (OpenSuSE in this example). Download and install yum install atftp  …

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How to make Cisco Router as HTTP server

Tweet While I was testing MQC with GNS3(Dynamips), I need to HTTP traffic from the router.  Here is simple way to make Cisco router as HTTP…

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VOIP QoS sample

1. Configure class map Cisco-QoS#conf t Cisco-QoS(config)#class-map EF Cisco-QoS(config-cmap)#match ip precedence 5   Cisco-QoS#sh class-map EF  Class Map match-any EF (id 1)    Match ip …

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How to change individual T1 clocking source on ISE OC12 channellized card

Tweet How to change individual T1 clocking source on ISE OC12 channellized card. Cisco GSR#sh gsr Slot 0  type  = Modular SPA Interface Card        …

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Cisco IP Routing Concept Videos

Came across good Cisco IP routing concept and fundametal videos on Internet. It produced by Routehub is Premium Cisco Consulting provider of Cisco Products, Solutions,…

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SONET / SDH Technical information

What is SONET & SDH? SONET and SDH are a set of related standards for synchronous data transmission over fiber optic networks. SONET stands for…

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TCP/IP model

Here is well present about TCP/IP model from Youtube.com   {youtube}tCRBa3fTR3A{/youtube}  

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Slow Internet link with wrong MTU size in the ISP backbone

So slow Internet connection after scheduled maintenance on upstream provider(ISP). It could be multiple reasons such as software issue, hardware failure, bad patch cable ,…

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What is implicit withdraw and explicit withdraw?

What is implicit withdraw and explicit withdraw? ex} :   Route map for outgoing advertisements is out-cust-full                                                   Sent         …

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VoIP protocols on OSI 7 Layers

Here is VoIP protocols on OSI 7 Layers   Layer 6 / Presentation ; G.729(A), G.723, G.711 Layer 5 / Session ; H.323, SIP, SDP…

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How to allow Traceroute and TraceRT on Access-list(ACL)

Here is the sample configuration to allow traceroute(Unix or Network devices) and tracert(MS Windows) "TraceRoute" commands of Unix and Cisco devices send UDP packets, while…

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