For questions about networking in general. Any question about all on topic network devices can use this tag.
0
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0answers
12 views
What is the difference between Cloud Controlled Wireless and Cloud Managed Wifi? [on hold]
I would like to know the differences between Cloud Controlled Wireless and Cloud Managed Wifi.
0
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0answers
21 views
Anyone can give an ideia to do a workshop for university about availability & performance related with network and telecommunications? [on hold]
Last year's workshops were about Apache Hadoop, MPLS, MQTT, Virtual Machine Migration in Real Time (vSphere), Cluster Raspberry Pi.
I would be grateful if anyone suggested any topic.
0
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0answers
9 views
How to set VM to be visible to router [on hold]
I have the following set up:
Router with DHCP, 10.1.1.1, 255.255.255.0
PC1 connected to the router and received the IP 10.1.1.100
PC2 connected to the router and received the IP 10.1.1.101
On PC1 ...
0
votes
0answers
12 views
How to create a private network within a private network? [on hold]
I have decided to create a little project for myself by attempting to create a private network, within a private network with (if possible) an old router.
The situation: I have recently moved into ...
0
votes
0answers
12 views
Routing Network through OpenVPN: Network Lost [closed]
I am trying to route my traffic through OpenVPN server so that all traffic can go through the server and I access the internet through it. Here is my route table, looks like I lost my access to the ...
-1
votes
0answers
33 views
Odd CraigsList Issue
Okay, so having an odd issue with a network at work. This is a fairly small LAN with about 30-50 workstations / devices / printers / etc. So the issue in essence is that only one of the workstation on ...
0
votes
2answers
46 views
Is a networking loop considered a DoS attack?
Is a networking loop considered a DoS attack?
I watched this tutorial and at 1:20:
The author says that a network loop, could be a DoS in a network?
2
votes
0answers
45 views
Switch problems: No loop, no damaged port, so what? [closed]
This is a medium size company. We have a 2960G switch as a core switch, which is connected to three 2960 series Cisco switches by fibers and clients are connected to these three ones. All of the three ...
0
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0answers
108 views
Can SDN be used to reduce routing loops?
In Software define networks (SDN), the controller(s) actually determine routes for the connections. In traditional TCP/IP networks, we use TTL (time to live) to control the lifetime of a packet and ...
0
votes
0answers
21 views
How web sockets avoid creating congestion? [duplicate]
My idea about web socket connection is that when a handshaking is complete between a client and the server, the connection is not released and kept open(accross all the hops in between?) for ...
0
votes
0answers
18 views
How do I setup ubiquiti Nanostation M5?
I connected my two NanoStation M5 devices as outlined in the manual. Now I want to login to admin and do the setup but I do not see a related ubiquiti SSID to connect to, to enable me to login to ...
0
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0answers
29 views
How Exactly do Packets Travel in a SSL VPN Tunnel? (Using a client like Cisco AnyConnect)
Can someone verify if the steps below reflect what goes on at the Remote Employee and Remote Corporate Network when packets are being sent back and forth using SSL VPN?
Packets Travelling from Remote ...
0
votes
1answer
19 views
How to check a Switch GE port's link-type?
How to check a Quidway Switch GE port's link-type?
I have a S5700 switch, and I want to check its GE0/0/1 port's link-type whether is access.
I have tried use bellow command:
[Huawei]display ...
2
votes
1answer
88 views
How do I resolve connection issues between two 10/100Base-Tx to 100Base-Fx fast Ethernet converters
My network at two points, A and B, have the same connection devices that have been working well until recently. A (A is the internet entry point) transmits internet to B (B is the data centre) and B ...
0
votes
1answer
46 views
ARP requests from outside the network [closed]
I need help understanding an ARP Storm PCAP I'm currently studying. My understating is that routers will strip layer 2 info. Therefore, an ARP request frame will not go through a layer 3 device (...
0
votes
1answer
13 views
Arista eos eAPI for full config
Anyone worked on full configuration of arista switches using the eAPI? I am going through the ansible eos_ modules and see that there are few missing configs. Do we have to use eos_config module for ...
7
votes
5answers
2k views
Do network adapters read incoming bits in a single stream?
When a Gigabit network adapter is receiving data, how is it receiving the bits?
Is it seeing it all in one stream of 0's and 1's? Or is there somehow multiple streams of 0's and 1's coming in at the ...
0
votes
3answers
95 views
How a packet gets from source to destination or from client to server
I'm trying to understand how a packet gets from client to server. I understand that it leaves the local switch and heads to the internet to get routed to its destination but what happens inbetween?
1 ...
3
votes
1answer
67 views
What does 'parent interface' mean with respect to VLANs?
I'm trying to learn about VLANs by configuring a router with PFsense installed.
Reading the documentation I came across the following sentence:
The following example shows how to configure two ...
0
votes
1answer
24 views
“Disconnected” computers when updates happen
We run a medium sized afterschool computercafe for kids consisting of 24 computers. We have a problem we cant detect. When we update fortnite, windows updates, or other large updates, we set all ...
2
votes
1answer
33 views
What is Throughput/Goodput in Node-to-Node messaging
Upon researching, from my own understanding, throughput is the "measurement of ALL data flowing through a link" and goodput is the "measurement of USEFUL data flowing through a link". Knowing this, ...
0
votes
1answer
34 views
The number of nodes in a fat tree topology
To my knowledge from papers I have read, the number of pods is the main parameter used to determine the number of switches at each level along with the number of nodes. For instance, in each pod/k in ...
0
votes
1answer
118 views
Finding the source MAC address in Router Advertisements [closed]
What is the source MAC address in the Router Advertisement packets received on the interface eth1?
-i have ran tcpdump -i eth1 and tcpdump -n -i eth0 icmp6
-ifconfig eth1 and tried using the HWaddr ...
0
votes
1answer
29 views
What network elements does the 'last mile' comprise?
From the Wikipedia entry, I take the 'last mile' of networks to means the point at which network capacity is split from the 'trunk' and provided to individual users. So in my mind this could mean:
...
1
vote
0answers
42 views
How to design network with high availability in a multilevel small workplace [closed]
I want to create a network in my work 4 floors 50m2*4 workplace.
Requirements are simple:
Share internet ( < 20mb/s ADSL) while blocking someone from abusing download speed for long period. (...
1
vote
1answer
31 views
Routing table export
Want to export routing table off Checkpoint VSX firewall and import it into VmWare NSX.
How to export routing table from Checkpoint VSX?
Thanks in advance.
0
votes
1answer
33 views
For ethernet with bandwidth B, how much time a node has to wait before sensing the channel after the first collision detected?
Let's say one node detected a collision at t=0, in B Mbps ethernet, how long will that node wait before sensing the channel again?
0
votes
0answers
21 views
At what exact stage does a PCAP log a packet from a bonded server NIC
So I had a short lived SSL connection problem that affected multiple machines at the same time. The PCAP shows that the syn,syn/ack,ack happens within milliseconds, but that there is a 7-40s delay in ...
0
votes
1answer
38 views
What are the differences between a basic configuration and a full configuration of a network device?
When someone is talking about a basic/base configuration of a network device, does this mean the startup configuration file? And when a full configuration is referenced how is it different from a ...
0
votes
1answer
62 views
Setting up Hardware for HA
After designing this I went in to start configuring equipment and quickly realized I was missing alot of information/understanding.
So the switches (A) between the modem and routers, do they need to ...
0
votes
1answer
35 views
Setting up VLAN [closed]
One of our clients has an intranet connection and they are reluctant to use internet for our needs (data collection). They have 4 buildings.
1) Admin
2) Canteen
3) EM
4) Mill
The configuration ...
0
votes
2answers
36 views
Advice on potentially needed subnet expansions
I work for a non-profit with some slightly more antiquated hardware. We have 3 locations, about 700 devices across them. Right now our locations are set up as:
Location 1 (Main) - /23 with a DHCP ...
0
votes
1answer
33 views
Assigning IP Address ranges - Protocol, Best Practices [closed]
I am looking for standard procedures when assigning a range for static ip addresses. Which are the most commonly used approaches and why. I am trying to look on the internet and this forum, however ...
2
votes
1answer
23 views
F5 BigIQ communication with BigIP
I'm new to F5. Basically a BigIQ centrally manages BigIP load balancers. In order to update the device, I have to login to the UI and apply the changes there. I would like to know how this is done (...
2
votes
2answers
41 views
Cisco Router 1800 series doesn't route internet
Working on an issue with a 1800 series Cisco Router. Router get's Internet just fine, can ping Google, Microsoft, etc.. Router is connected to a switch, switch connects 2 workstations running Windows ...
5
votes
4answers
174 views
Packet Collison Avoidance
If a wireless network has collision avoidance, how comes the network slows down if more clients connect to it?
0
votes
1answer
39 views
How does a packet find its way from a LAN device to a router, or vice versus?
I am trying to understand how packets are sent from one device to another in a wireless network? (Perhaps the same question also applies to a wired network)
How does a router know in which physical ...
1
vote
0answers
28 views
Internet not working [closed]
I have this types of network in my office. Recently we have moved to new i BSNL internet.
My problem is when i bypass router and connect poe cable to computer internet is working but when i put ...
1
vote
1answer
65 views
Ip aliasing on cisco router
We have a D-Link router (DSL-2730R) with the "Alias Ip Address" feature. This enable a logical network from the primary IP.
I want to do the same on the Router Cisco Rv-110w, ¿it's possible, what ...
4
votes
2answers
129 views
What is the best to simulate an RJ45 cable failure without changing switch configuration or removing the cable?
I am looking at an automation element for a training environment.
We would like to be able to fail a cable without doing a shutdown on the interface or having an engineer physically remove the cable ...
0
votes
2answers
29 views
How to add hot swapping feature in network traffic? [closed]
Background:
Assume I have PC1 communicate with PC2. Another PC3 connects (in serial) between PC1 and PC2 and inspects their network traffic (like a firewall hardware).
If PC3 shut down for some ...
1
vote
1answer
31 views
Is it possible to view cameras that are on a different network? [closed]
I work in a manufacturing plant that has several cameras that we use in production. Our camera server just went down and I'm trying to find a way to still view the cameras till a new server can be put ...
1
vote
2answers
124 views
Unable to ping internet from switch
Router internet interface Fastethernet0/0 192.168.0.17 (ip nat outside)
internal interface 192.168.1.1 (ip nat inside)
able to ping 8.8.8.8 from router
Interface IP-Address OK?...
1
vote
1answer
81 views
Why does traceroute gives different number of hops for different protocols used?
While exploring traceroute with different protocols, it gave me the following response:
For TCP:
user@200411DC0:~$ sudo traceroute -T facebook.com
traceroute to facebook.com (157.240.16.35), 30 hops ...
2
votes
1answer
33 views
Why we use transmission system like sonet sdh
Hello friends i have one query that we can connect routers and switches directly on fiber and with high capacity why we uses transmission system like sonet,sdh and dwdm?
1
vote
0answers
72 views
Frequent Internet Disconnection
Hello everyone!
I am relatively new to this forum, and wanted to get some useful feedbacks and resolution from "network-PROs" on my problem..
I have a network with a main router connected to the ...
-3
votes
4answers
234 views
Can we run the Internet on circuit switching?
Generally we use IP and ATM for data communication and can we use circuit switching for data communication ?
Can we use circuit switching for Internet ?
0
votes
1answer
174 views
What is a “back to back” firewall configuration?
I've found some guides talking about "back to back" (or back2back) configuration but I can't find an explanation of such configuration.
Can somebody explain what is meant by "back-to-back"?
0
votes
1answer
30 views
Options for Company A server access to Company B network (on same premises)?
I'm looking for the best way to allow access to another company's server from within our network (We are both located on same physical site).
At the moment Company B have limited infrastructure and ...
0
votes
1answer
39 views
Wireless Router Multihoming?
Here's the scenario:
One outdoor equipment cabinet with seven different 100 Mbps carrier feeds
Currently, no trailers are wired. The point of this is to avoid running cable to each trailer
Seven ...
