Why T1 bandwidth shows 1536 for T1 interface on Cisco router?

You might see bandwidth indication on your T1 link shows 1536Mbps instead of 1544Mbps. The number implies data portion of frames. As you know T1…

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How to view top-n Protocol stats on your Cisco Router

Most of production environment has nice monitoring tools that provides nice GUI based stats and information. Actually, you can see protocol stats thru Cisco router….

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Optimize VOIP traffic with RTP compression and priority

Here is simple configuration for VOIP traffic makes more efficiently handling by WAN or Interconnect. Router-RTP-1(config)# class-map VOIP Router-RTP-1(config-cmap)# match protocol rtp Router-RTP-1(config)# policy-map VOIP_SHAPE…

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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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