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Questions tagged [standardisation]

For questions about network standardisation. For instance, you need to standardize your network topology and therefore need help with your configuration design for a specific network device series.

9
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2answers
436 views

Appropriate certificate to ask for a fibre installation (ANSI/TIA-568.3-D?)

I am getting a subcontracting company to provide terminated fibre connections between two points, and I want to say what they are expected to do and what certificate they are expected to supply. This ...
5
votes
1answer
389 views

Is Per Vlan Spanning Tree or RPVST an open standard or can it only be implemented by Cisco?

I know there are some standards that are CISCO proprietary but have become open standards. CISCO has also updated the RFC to reflect this. So, is this also true for PVST? Does Juniper or other ...
2
votes
2answers
74 views

110 Block Frames and TIA-606-B

I have a large industrial work site with numerous Switch- and Control-Rooms containing horizontal and vertical patch panels, switches, etc. There has historically been no formal identification or ...
3
votes
1answer
274 views

Does TIA/EIA-568 permit patch cabling totals longer than 10m?

[Light edits to emphasise versions] What are the exact requirements of TIA/EIA 568 cabling standard as regards to the length of patch/work area cables? Specifically, I see from my 2001 copy ANSI/TIA/...
2
votes
3answers
145 views

What transmission service gurantees does Ethernet give?

Higher layer transmission protocols have certain properties. For example, TCP "guarantees" duplicate-free, error-free in-order delivery of packets. UDP does basically provide the same properties as IP,...
3
votes
1answer
7k views

What is the voltage used in ethernet lines (UTP Cables)?

I am asking this because after doing some research I found some conflicting information. First, on Wikipedia page on Ethernet physical layer I found that the voltage on the lines is 2.5V. https://en....
2
votes
1answer
581 views

is it possible to register multicast IP addresses?

topic : IPv4 multicast addresses as per IANA docs Is it possible to register these addresses or they are reserved like 0.0.0.0/8, 10.0.0.0/8, 127.0.0.0/24, etc... ? When we read a specific multicast ...
0
votes
1answer
113 views

2G or 3G network standards [closed]

Can you list me names of the standards from where I can prove that 2G phones will not work over 3G network? I know it's a common fact but I need something like a standard.
6
votes
1answer
354 views

How to properly name TIA-606-B Cabling Subsystem 1 far end identifier for work area equipment outlets?

We are moving to TIA-606-B for labeling. I have read most of the TIA-606-B standard. Some parts I have only skimmed, while others I have studied in depth. I do not understand the rationale behind the ...
0
votes
1answer
288 views

What are currently used L2 and L3 protocols? (other than ethernet and ip4/6) [closed]

I heard about plenty of alternatives to ethernet like for example token ring, ARCNET, SONET, or to IP4/6 for example IPX but once I decided to look for software and hardware support I realized those ...
1
vote
1answer
33 views

Are LJ6C outlets suitable for cat6 cabling or only cat5e / is there a different version for cat6 cabling?

Are LJ6C suitable for cat6 cabling / is there a different version for cat6 cabling ? I'm aware that you cant easily use an RJ45 cat5e jack for cat6 cable as the cable for cat6 is thicker, is this ...
1
vote
1answer
60 views

sleeping computer on gigabit ethernet kills multicast performance

Problem: any sleeping computer on a gigabit network causes all multicast traffic to drop to 10Mbps. Solution: provide customers with managed gigabit switches and train them to configure the switches ...
1
vote
1answer
81 views

As a wireless client is the regulatory domain relevant?

If I have a device which acts only as a wireless client, do I have to set and abide a regulatory domain? Is this related only to the scanning process, or when else would this matter? Thank you!
2
votes
2answers
275 views

What is 802.11 in the IEEE 802.11?

What is the number 802.11 in IEEE 802.11 representing? I mean, if you break it down, what exactly are 802 and 11?
3
votes
1answer
123 views

Do I need To read Standards to Understand How Network Works?

I am Computer and Communication Engineer, and I read many books about data communication and networking, all discussing basic concepts like OSI Model, topology in general, multiplexing, etc., but I ...
34
votes
5answers
8k views

Why are Ethernet Standards written in the form of 10/100/1000? Why not just 1000?

I always have seen Ethernet Standards written in the form "low value/middle value/max value", and always wondered why. Won't a router just reproduce a lower speeds anything below its maximum if it's ...
1
vote
3answers
210 views

What document or standard designated ffff.ffff.ffff as the Ethernet Broadcast MAC address?

Simple enough, question is in the title. Was trying to find an official document or RFC which designated (or reserved) ffff.ffff.ffff as the Ethernet Broadcast MAC address.
1
vote
2answers
190 views

Were any 1000BASE-TX commercial products released?

As a bit of background, around 2002 there were some articles predicting the success of then newly announced 1000BASE-TX (TIA‐854), as inevitably enjoying much more commercial success than 1000BASE-T (...
3
votes
1answer
3k views

Any problems mixing T568B Patch cords with T568A Premise wiring?

I'm going to be running some Cat5E cables to have a more organized wired computer network at home. I'm going to be terminating the premise wiring at the jacks and patch panels based on the T568A ...
0
votes
1answer
3k views

What is SA, SA1, SA2, SA3, SA4 stand for in 3GPP Spesifications

In 3GPP spesification vocabulary document http://www.3gpp.org/DynaReport/21905.htm. I could not find definition for abbreviation definition for "SA", SA1 and soon that occur in 3GPP specification such ...
1
vote
0answers
46 views

What is the state of IEEE 802.21 adoption?

I am working on heterogeneous networking in wireless networks, and the IEEE Std 802.21 (Media Independent Handover) seems to tackle some of the problems I am facing. However, I could not find ...
5
votes
1answer
657 views

Differentiating OUI MAC addresses from random MAC addresses

I am developing a program that creates random MAC addresses. I understand that in order to avoid collisions with OUI addresses, my addresses should "locally-administered" addresses, by setting the ...
1
vote
1answer
157 views

Where does the standard describe the modes WNICs can operate in?

Wikipedia states that Monitor mode is one of the six modes that 802.11 wireless cards can operate in. I headed over to the IEEE site and downloaded the linked IEEE 802.11™-2012 document, but I ...
4
votes
1answer
350 views

ARP table aging: What timer can I expect?

Is the hold time standardized? Is there a standard or reliable recommendation for a timeout? I am well aware that a SOHO non-managed switch requires a shorter timer than a data-center switch. That ...
2
votes
2answers
194 views

How are the RIB entry BGP attributes represented according to RFC6396 (MRT Routing Information Export Format)

The RFC6396 specifies the header for RIB-entry mrt-records like this: 0 1 2 3 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 ...
7
votes
1answer
3k views

IEC or SI units (binary prefixes) used for network measurement?

What are the correct usage guidelines for SI and IEC binary prefixes when using decimal (power of 10) units of measurement relating to computer networking and binary (power of 2) units of measurement (...
4
votes
1answer
5k views

What is the difference between RJ45 connection standards WE/SS and TE-AMP and when and where are they used?

I recently decided to run some CAT6 cabling and wanted to ensure that my Crimpmaster RJ45 die would work fine for the CAT6A shielded connectors. I noticed that several people had trouble using the ...
4
votes
1answer
182 views

What functionality does 802.3bd-2011 actually add to 802.3 Ethernet?

Looking for various documents and the IEEE standards, I can see that 802.3bd-2011 adds a MAC control frame for priority-based flow control. How does priority-based flow control differ from IEEE 802.1P/...