All Questions
16,776
questions
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22
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IPv6 without Link-Local using Unique Local Addresses only?
I haven't seen any discussion online about this, but after some testing I have some questions.
Here's a quick overview of my testing environment, meant to replicate production infrastructure only at ...
- 1
0
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answers
7
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Single 4x4:4 MU-MIMO vs Two 2x2:2 MU-MIMO APs
Just out of curiosity, in general, what would be the pros and cons of having a single 4x4:4 MU-MIMO AP vs having two 2x2:2 MU-MIMO APs in the same network? (Assume that they are the same brand with ...
- 101
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40
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How to Configure ACL in subinterfaces
"Guys, I am having trouble configuring a Cisco network. I have a router with three configured sub-interfaces."
interface GigabitEthernet0/1
ip address 20.0.0.1 255.255.255.0
duplex auto
...
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votes
1
answer
13
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I'm writing my own SIP client implementation, why does Asterisk seemingly ignore my ACK to the "200 OK" reply to my INVITE? [closed]
I'm writing my own SIP client protocol implementation in C, because I need something extremely lightweight.
I'm able to register and make calls with Asterisk on FreePBX, but the server keeps sending ...
- 101
0
votes
1
answer
34
views
Recommendations on the below traffic flows
I plan to block suspicious traffic flows on my network. Do you think any of the following could be a valid flow?
deny tcp any eq 443 any eq 80
deny tcp any eq 80 any eq 80
deny tcp any eq 443 any eq ...
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answers
26
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Is it possible for a packet to spend 10ms in a switch queue due to latency? [closed]
I have a linear topology of switches: sw1, sw2. h1 and h2 are connected to sw1, and h3 and h4 are connected to sw2. All links are 100Mbps except for the h2-sw1 link, which is 1Gbps. h1 sends packets ...
- 1
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answers
7
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Connect VM to the host VPN network [closed]
As part of SOC Project I'm trying to deploy wazuh, first i've installed the wazuh all-in-one VM in my host system and put the network in bridged mode. I'm able to access the dashboard just fine and i'...
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5
views
Certain sites like stackoverflow don't work on Wifi on one particular device [closed]
My Wifi is behaving oddly. Probably after I connected a extender to it. Many times, for one or two devices, certain sites stop working. For instance, right now, Stackoverflow.com is not working for my ...
- 101
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12
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Best Practice for AWS VPC Endpoint Security Groups?
I am creating a VPC Interface Endpoint to a couple of aws services (logs and ecr) to keep traffic internal to aws for both cost saving and security reasons. I am wondering what the best practice is ...
- 1
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answers
15
views
Issue with single port but two VLAN [closed]
I am a beginer to networking.
I have a issue at my work place.
recently a new telephone systemwas installed and for the system they need two IP address:
The issue is:
The phone system uses two IP's ...
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0
answers
10
views
C# HttpClient fails to connect when binding to non-default route interface, but curl works [closed]
I'm trying to send HTTP requests through specific network interfaces on my Raspberry Pi running .NET. I've written a C# program that creates an HttpClient bound to a specific interface. However, I'm ...
- 1
-2
votes
1
answer
46
views
cisco nexus 93180lc-ex urpf for ipv6 not working
when i want to enable urpf for ipv6 in my cisco nexus 93180lc-ex by executing ipv6 verify unicast source reachable-via any rx it will show the following error
IPv6 Unicast Reverse Path Forwarding not ...
- 619
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votes
0
answers
12
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Specific URL cant resolve in browsers but in Postman [closed]
Im having a weird problem with a specific url that I cant resolve in all my browsers on my Mac. The specific url is:
https://cdn.forzaco.com/Test.jpg
In both Firefox, Chrome and Safari I get:
...
- 101
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answers
15
views
5G phone connection latency spikes for low frequency packets [closed]
Backstory
I've been trying to optimize my latency for gaming, to remove latency spikes. My only option is 5G phone tethering right now. At the end even if my initial problem can't be solved I'm still ...
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answers
15
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Improvements to Gbps per wavelength over time [closed]
I want to build a sense of how fiber optic transceiver technology has improved over time, and what relevant physical limits constrain it in the limit.
For instance, ChatGPT tells me that in 2010 ...
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