1.Wireshark This is the king of all useful tools for network engineers. A must have tool I was introduced in my early years of Job and since then it remained with me every single day. This is so useful that I can credit at least 25% of issues that I have solved till date to… Read More Top Tools to make a Network Engineer’s Life Easy.
In my previous blogs I have configured basic IP connectivity between IxNetwork and DUT. Now In this blog we will be configuring routing protocols between Ixia and DUT which is ASR903 router in my case. If you have not seen my previous blogs already you can check that here Blog1 Blog2 . Lets get started… Read More IxNetwork : Using IxNetwork NextGEN Framework Configuring OSPF- Blog3
In my previous blog I have explained the process to add Ixia chassis and ports to the IxNetwork application. Please check my previous blog here In this blog I am going to configure IP connectivity between DUT and the Ixia chassis. Step 1 : When you open IxNetwork application you would see following screen. You… Read More IxNetwork : Using IxNetwork NextGEN Framework Blog-2
Ixia is a big player in network traffic generator platforms market. Almost all the vendor use Ixia extensively to test and replicate customer scenario on their equipment. It has many variants and I am planning to discuss few major variants like IxNetwork, IxExplorer, IxLoad in my upcoming blogs. In this blog I will be talking… Read More IxNetwork : Using IxNetwork NextGEN Framework.
You might have seen issues like choppy voice, unclear deferred video etc in your network. This kind of problem can become a little difficult to isolate because you need to check all the devices in the path and different teams like network admins, voip team, video teams need to collaborate. Very recently I have come… Read More Wireshark: How to Identify RTP stream Packet Drop
Cisco has been a CLI company but a huge paradigm shift is coming up which is pushing every vendor to adopt a centralized controller based approach, which is majorly GUI based. Work is no longer the same for network engineers. You need to know much more than CLI configurations to stay in business. Talking of… Read More Cisco ISR 1100 WebUI Introduction
Hope you have seen my previous blog on Netflow If not please check it out as this blog has some dependencies on my previous blog. However if you have idea about FNF(Flexible Netflow) and how it works then you can continue reading this blog. This blog talks about an extended Netflow version which is called… Read More Cisco IOS-XE Performance Monitor Configuration
Netflow is widely used and very useful feature for network administrators. It is a must have feature for a network because it give immense about of details about the network traffic and its users. Netflow is different from basic bandwidth monitoring as it tells you bandwidth utilization per IP per application basis. So you would… Read More FNF (Flexible Netflow) : Cisco IOS-XE configuration – I
Hope you have seen my previous blog about identifying if there is a microbursts in the network or not. If not please visit the post as this one is just an extension from the old post. So, we have seen how to identify the microbursts in the network. Once you identify the microbursts you tend… Read More Wireshark : How to identify Top-talkers in Network.
We come across this situation a lot when we see drops in QOS classes and continuous increase in “Total Output drops” on interfaces but for sure our traffic never crosses CIR rate which ISP provides. This quizzes mostly every network engineer many times in their career. You would see something like this: Router#show interface ten0/0… Read More Wireshark : How to identify burst of traffic in network