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Network Engineering : Recent Questions and Answers

Find answers to your questions about Network Engineering or help others by answering their Network Engineering questions.

Can we use both RSTP and MSTP spanning tree protocols in same network

I have network connecting with 500 users and 50 servers connecting different layer3 switches and layer2 switch. Can i run rstp in few switches and mstp on remaining switches....

Asked on 01/02/2022 by user69937

2 answer

Have we failed a wireless survey for something that couldnt have been offered?

On a large campus wireless network (approx. 500 APs, 4-5000 connected devices) we have been asked to create an SSID for some specific equipment that can only work on the...

Asked on 12/30/2021

3 answer

Why do we need to aggregate frames into a multiframe in GSM networks?

I'm struggling to understand the need for frame aggregation into the multiframe and other higher level frames. What exactly do we gain with the aggregation? Is this for synchronisation purposes...

Asked on 12/30/2021

1 answer

NX-OS 9.3: ECMP polarization and "ip load-sharing ... rotate"

This is a "why and how exactly does this work" question. The given problem is already solved. QUESTION: I'm interested to understand what "rotate" in ip load-sharing address source-destination port...

Asked on 12/30/2021

1 answer

Is it possible to know the mother address of a subnet?

The mother address is X, have Y numbers of subnets (children), we already know 2 of the mother's children, they're: /20 [edited] /20 Is it possible to...

Asked on 12/26/2021

1 answer

What's the point of aggregate routes when the default preference is reject?

studying for my JNCIS-SP and finally digging into the minutiae. I'm trying to grasp the default behavior of aggregate/summary routes. Why are these a reject? Maybe I'm just using them...

Asked on 12/22/2021 by ourweakness

1 answer

In practice, how much can the 100m ethernet limit be pushed?

I am faced with putting an outdoor WiFi access point about 800 feet from the nearest building. There is no power at the far end. This will require...

Asked on 12/22/2021

2 answer

Switches 'HPE OfficeConnect 1920S' - Enable SSH / TFTP Services

We need to manage switches HPE OfficeConnect 1920S remotely but only HTTP/HTTPS Administration is available. HPE 1920S has an special operating system, neither Procurve nor Comware. We are looking for...

Asked on 12/12/2021 by DevOps

4 answer

Ethernet to fiber converter

If you have a router which only allows Ethernet ports, can you use a converter to convert to fiber? For example if I have a switch that is capable of...

Asked on 12/12/2021

3 answer

Is it possible to withdraw a longer prefix without disrupting service via a shorter prefix announcement?

Using example IPv4 addresses for discussion, assume I have used BGP to announce to the Internet the prefix from datacenter A, and I have also announced a longer prefix...

Asked on 12/07/2021 by Jason Stangroome

1 answer

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