About Mitrixsen

Mitrixsen · 07-08-2024

Hello, everyone. I am studying about STP and my current topic is Portfast. There's one question I have regarding it. Why do Portfast-enabled ports transmit BPDUs out of them? Isn't the idea here that such a port will only connect to end hosts or to d...

Mitrixsen · 07-07-2024

Hello, everyone. When it comes to UplinkFast, my study resource says that if a device loses a root port, it can immediately have a blocking port be chosen as the next root port and transition into forwarding without going through the listening/learni...

Mitrixsen · 06-16-2024

Hello, everyone. I am covering MSS at the moment and I've read that Cisco IOS devices set the MSS to 536 for TCP connections to remote networks. From R1 to R2R1#telnet 10.0.0.2Trying 10.0.0.2 ... Open*Jun 16 11:39:18.237: TCP0: Connection to 10.0.0....

Mitrixsen · 06-15-2024

Hello, everyone. I have 2 questions regarding dCEF and chassis devices as I just started learning about them. 1. I've read that there are Route Switch Processor cards in chassis devices which serve the same purpose as a CPU. My question is, what is a...

Mitrixsen · 06-09-2024

I've read that there can be several CEF adjacencies from NetworkLessons.com. I am a little confused. What does adjacency mean in this context? So far I know that there's an adjacency table which stores the L2 - L3 mappings and the pre-built Ethernet...

Mitrixsen · 07-07-2024

Thank you for the links. I do have a few questions. At first when the STP topology is being built, there's no confirmation that everyone has agreed on what the STP topology should be, etc. Switches have to perform their port role selection, send out ...

Mitrixsen · 06-16-2024

I was asking about why do Cisco IOS devices set the MSS to 536 for remote connections and what was the reason behind it which Joseph.W. Doherty answered, that's why I haven't picked your answer as the solution. I know how to configure the MSS and als...

Mitrixsen · 06-16-2024

Hello. Right, I completely forgot about this. Once I enable PMTUD by using the ip tcp path-mtu-discovery command, the Cisco router uses an MSS of 1460 (since 1500 is configured on its interface) now instead of 536 so that solves the problem, thanks g...

Mitrixsen · 06-16-2024

That's a fantastic response, thank you for taking your time to write this down plus provide the links!

Mitrixsen · 11-14-2023

Hello!Thank you for the reply. What queue are we talking about here? I thought that each traffic class has its own queue if we are running CBWFQ.

Member Since	‎01-11-2022 07:57 AM
Date Last Visited	‎07-12-2024 12:10 AM
Posts	45
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Why do STP PortFast ports transmit BPDUs?

STP UplinkFast and BackboneFast

Why do Cisco IOS devices set the MSS to 536 for remote networks?

A few questions regarding distributed CEF

What exactly is a CEF adjacency?

Re: STP UplinkFast and BackboneFast

Re: Why do Cisco IOS devices set the MSS to 536 for remote networks?

Re: Why do Cisco IOS devices set the MSS to 536 for remote networks?

Re: A few questions regarding distributed CEF

Re: A question about WRED in QoS