Newest Questions

Ask Question
17,016 questions
Newest Active Bountied Unanswered
0 votes
0 answers
18 views

Suppose a message is sent from user A to user B. The transfer from each user agent to its mail server is assumed negligible, and the only measurable delay is the RTT between the two mail servers (20 ...
Ferran Gonzalez's user avatar
  • 101
0 votes
0 answers
18 views

I obtained a used Cisco 3850 and am trying to get it to boot up and change Gigabit/Ethernet interface states to UP without console input. The 3850 boots and loads the image and linux kernal and ...
Harv Koplo's user avatar
  • 1
0 votes
0 answers
14 views

Can anyone help me to troubleshoot a problem that I face during my lab in university. The task asks to deploy an IBSS and analyze the data, control, and management traffic for that network. The ...
user113180's user avatar
  • 1
0 votes
0 answers
15 views

I'll try to be as specific as possible with my question, the symptoms are weird. I have a ZTE MC889 5g modem on a pole at my gate. This goes into a TP Link fibre convertor for the fibre run to the ...
Rolf's user avatar
  • 1
0 votes
0 answers
22 views

A bit of a newbie question, but I can't quite understand from CloudFlare's own documentation if their Load Balancing is what I want to use (currently we just use CloudFlare's free DNS services, so ...
Craig's user avatar
  • 101
0 votes
0 answers
23 views

I have a subnet 192.168.2.0/24 that is connected to another subnet 192.168.1.0/24 through a linux machine that has nftables configured. I have an application on subnet 192.168.2.0/24 that needs to ...
dlsa's user avatar
  • 101
1 vote
1 answer
66 views

Vtp domain has 1 server: SW-A. SW-A is done version 3 and SW-A# vtp primary. An attacker brings his switch (SW-B) with bigger revision number than primary server and connect it to network. And get all ...
Ülfət Novruzov's user avatar
  • 11
0 votes
0 answers
7 views

My goal is to add SSL certificates to my local network services. So I´ve generated a self-signed CA: openssl req -new -newkey rsa:4096 -days 3650 -nodes -x509 -subj "/C=.../CN=LAN ..." -...
Kampi's user avatar
  • 101
3 votes
2 answers
366 views

My scenario: I have many endpoints currently connected to an unmanaged switch. I want to add Layer 3 switch and segment the network into VLANs, but I'd like to avoid the manual work of tracing which ...
Recurseed's user avatar
  • 41
1 vote
1 answer
66 views

I have following setup in my lab. Host1/2 running ubuntu with FRR daemon for BGP. R1 is my cisco nexus switch. I want to route traffic between host1 to host2. [host1]------ibgp----[R1]------ibgp----[...
Satish's user avatar
  • 4,461
1 vote
1 answer
37 views

as far as i understand, anycast network i.e a /24 block is announced by a BGP with the same ASN from multiple regions. anycast networks such as 1.1.1.1 and 1.0.0.1 are largely used for DNS services or ...
siri.m's user avatar
  • 11
0 votes
1 answer
32 views

For router originated traffic for example routing protocol hello packet that source from the local router. Do ACL have any effect on them ? I remember that in some Old CCNA study materials, it stated ...
jacky chong's user avatar
  • 165
2 votes
1 answer
125 views

Slides are taken from: https://cseweb.ucsd.edu/classes/sp15/cse123-a/lectures/123sp15-lec15.pdf When converged and just after B-C link breaks(and when B knows that B-C does not exist anymore), the ...
zeeshanseikh's user avatar
  • 123
3 votes
2 answers
157 views

I bought a 2nd hand Cisco Catalyst switch for a cheap price I tried to connect to it using the RJ45 port - USB port, I used putty to connect to the console at first I ran everything normal 9600 baud ...
Millow Gapay's user avatar
  • 31
1 vote
1 answer
179 views

I'm fairly new so this might be a simple question, but haven't had any luck when trying to Google them. I'm trying to get a Dell N2224PX-ON switch to communicate with a Juniper EX2200 switch via ...
Patrick Perry's user avatar
  • 11

15 30 50 per page
1
2 3 4 5
…
1135