Category Archives: IP Multicast

Topics about every casts in network…

Tshoot: High CPU utilization while flexlink and multicast were operating.

Equipments and tools 1. Windows 2003 server with Orion NPM installed. For traffic and network health monitoring. 2. Windows XP with VLC media player version 0.8.6c, this is the video server. 3. Windows 7 with VLC media player version 0.8.6c, … Continue reading

Posted in IP Multicast, Switch, Tshoot | Tagged , , , , , , , , | 2 Comments

Maintenance: Netflow

Catalyst 3560 does not have netflow As confirmed with Cisco feature navigator, there’s no netflow for 3560 not even version 1… Cisco 871 Although this router is EoL, it has netflow version 1, 5 and 9. Default is version 1 … Continue reading

Posted in IP Multicast, Network Maintenance | Tagged | Leave a comment

IP Multicast: Pim Sparse mode

Using PIM dense mode on 3 routers, process cpu was 44% every 5minutes running two multicast video streams after using pim sparse-mode on 3 routers, process cpu was 6% every 5minutes running two multicast video streams. Router 1 interface fa4 … Continue reading

Posted in IP Multicast | Tagged , | Leave a comment

For Testing only: Broadcast to multicast translation and multicast routing using MLS

Warning: Do not use these configurations as it is in actual deployment. This configuration is setup to test if the MC is forwarded out to the intended destination without any mc receiving application running. For this configuration we will use … Continue reading

Posted in IP Multicast | Tagged , , , , | 1 Comment

Proof of concept: BC-MC and MC-BC feasibility using Cisco routers/MLS

Continue from the previous post. This post shows the proof of concept done. Pre-requisite tools: Netcat for Windows , wireshark and two computers. Commands: debug ip packet detail (this will show the layer 4 information as well) and debug ip … Continue reading

Posted in IP Multicast, Route | Leave a comment

How to convert from broadcast to multicast and vice versa using Cisco router.

Scenario: ABC corporation and XYZ company has merged into one huge organization known as EFG. Your employer company – MTA has been engaged to come out a solution to merge the IT departments of both companies without changing the existing … Continue reading

Posted in IP Multicast, Route | Tagged , , , | Leave a comment

Multicast

Multicast by Cyrus Lok on Friday, August 20, 2010 at 12:08am I had always mixed up between broadcast and multicast but not anymore, they do have similarity i.e. both send each copy of the packet to every nodes. But there’s … Continue reading

Posted in IP Multicast | Tagged , | 2 Comments