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Questions tagged [uplinks]

For questions about Uplinks on network devices. For instance, you are connecting two routers, but you need assistance finding the correct method.

1 vote
1 answer
106 views

Network Design: Daisy Chaining vs One Centralized Switch

I am curious as to what the "standard" is when it comes to designing a network with the given constraints:\ cable runs would be more than what cat5e/6 would allow without a repeater\ one ...
Noah A Barcomb's user avatar
1 vote
3 answers
352 views

Deprecation of 10Mbit links and workarounds

We are looking at deploying some low power embedded nodes as part of a sensor trial, these devices use a fairly dated Ethernet chip that only supports 10 Mbit speed. Is it true that (some) newer ...
Hamza's user avatar
  • 113
1 vote
1 answer
208 views

Configuring shared uplink on l3 dell s4128f-on

I have a Dell switch s4128f-on which I'm using as L3 core switch. What I want to achieve is creating multiple vlans and being able to reach other networks through an uplink. What I've done so far is: ...
2202's user avatar
  • 13
0 votes
1 answer
496 views

Uplink port: standard LOCATION at beginning or end port?

Hopefully I don't get roasted for asking, but I DID google & search here for a bit without success. What is the normal/industry-standard location to use as the uplink port(s) on a switch? I ...
gregg's user avatar
  • 103
2 votes
6 answers
2k views

Why can't we create a hierarchy of hubs?

I was reading the Comptia Network+ All in One book and I came to know that we cannot create a hierarchy of hubs. My question is why so? Are MDIX ports simplex? Why is it not possible for the hubs to ...
ShayakSarkar's user avatar
2 votes
3 answers
1k views

How do you calculate required uplink on a Switch? [duplicate]

Lets just say i have an access switch with 8 1G port downlink, and all downlink ports are connected to the users. I want to connect said switch to an aggregation switch. How do I determine the ...
Pokekman's user avatar
2 votes
1 answer
212 views

one uplink, two routers for redundancy

Let's say i have two linux boxes, RouterA and RouterB, both with two NICs (eth0 and eth1). RouterA/eth0 is connected to an internet uplink. RouterA/eth1 and RouterB/eth1 are directly connected. What ...
ChennyStar's user avatar
1 vote
0 answers
219 views

Colocation network setup - 2 switches with each 1 uplink - redundant configuration question [closed]

I have a question about the network configuration when connecting 2 switches in a colocation rack via 2 uplinks (1 uplink to each switch) to 2 other switches of the datacenter itself. My topology ...
Andreas B.'s user avatar
4 votes
1 answer
1k views

Must 40/100G uplink ports on a 10G switch be connected to another switch?

I'm looking at a switch like this: https://www.fs.com/products/29123.html It has 48 10-GbE SFP+ ports and 6 40-GbE uplink ports. I would like to use some of these uplinks to cross-connect to another ...
Jason R's user avatar
  • 185
4 votes
1 answer
5k views

Can I aggregate multiple uplink ports between Ethernet switches?

Disclaimer: I'm not a network engineer; I just have to try to do a good-enough impression to solve this problem. We have two rooms in our office. In the first, I would like to put a large copper 10-...
Jason R's user avatar
  • 185
5 votes
2 answers
825 views

How does link aggregation work in reality?

I'm concerned that I'm misunderstanding how aggregators work in the scenario below: I have a project where I need 40 Gbps links between switches. My plan was to have my three switches use all four of ...
inbinder's user avatar
  • 165
1 vote
1 answer
184 views

Multiple uplinks in multiple locations

Our school just received a bunch of hardware from a corporation leaving a location, so now we are upgrading our networking in four classrooms. The rooms have fiber connections to each other. The ...
Captain George's user avatar
1 vote
3 answers
5k views

Is possible to stack/uplink different brands of switches using SFP?

I'm sorry if it's a silly question but in networking things I'm a complete newbie. We have some switches (DELL) two of them are connected with SFP (fiber) along a long hall, the rest are stacked via ...
coloboxp's user avatar
  • 113
1 vote
1 answer
1k views

Full-mesh of Access Switches vs. Uplinking to Distribution Switches

I'm reading Cisco CCENT/CCNA guide for Interconnecting Cisco Network Devices 1 100-101 (Odem) Chapter 6 explains that Campus LAN with 2 Distribution Switches and 40 Access switches uses 4 * 40 = 160 ...
Rhonda's user avatar
  • 113
9 votes
3 answers
698 views

cheaper 40gb optics/uplinks?

I'm pricing out a decent size 10gb network (6-8 ToR switchs) and the uplink costs are a major factor. I figure each ToR switch needs 4x40gb uplinks and you have a cost for the uplink optics that is ...
Kelly McDowell's user avatar