Newest Questions
16,964 questions
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Can ARP cache expiry can make a device lose 100% of its traffic for 1-2 minutes if its all UDP? [closed]
Let’s say the router sends an ARP request, but shortly after, the device changes its IP address. The router will have an outdated ARP cache for a certain period (60 seconds on Linux, or 2 minutes on ...
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Why does my PC cannot connect to my network over switch? [closed]
I have a modem/router provided by my ISP, to which I connect a home type switch. To this switch, I connect my VOIP phone (which connects successfully to the network), a NAS (again, connects ...
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IKEv2 Issues between Meraki and OPNSense
I have a meraki VPN mesh which consists of 3 meraki firewalls and 1 OPNSense firewall. There are 3 IKEv2 IPsec connections setup on the OPNSense firewall, one for each meraki. They're all configured ...
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How to Handle TLS Certificates for Offline Systems with Unknown IP Address? [closed]
I’m a Software Engineer who’s recently been pushed into a Network Engineering role for my current project, and I’d like some advice on how I could have approached a particular issue more effectively.
...
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39
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Data link layer and transport layer differences/relationships
Hi I am a network engineering beginner learning about the TCP/IP stack in the context of using web services on an embedded system (processor connected to LTE cellular module).
I am struggling to ...
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Connect-Info(77) from Fortigate to Windows NPS
I have a FortiGate and I can connect it to Windows NPS radius, and the simple user test works (under User&Auth>>Radius Servers ...).
I then proceed to setup admin logins to the FortiGate, ...
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How to proceed with a 4g proxy farm [closed]
I ended up buying these parts:
x1 Lenovo M710q - i5 7th gen, 16gb ram, 256 ssd (Probably didn't need this much, but I got a great deal so why not)
x1 Sipolar A-805P 20 Ports 2.0 USB HUB
x3 MS2372-153 (...
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Server receives IP from DHCP-server but can not ping gateway [closed]
Summary:
When connecting a HP Proliant Microserver gen8 server running a fresh install of Linux Mint 22.1, using a ethernet cable previously used by a HP laptop with proven internet connectivity, it ...
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Bridging two networks over the internet [closed]
I'm moving my homelab into a datacenter. Yay! I've moved all the important stuff onto a Proxmox server running in my house, and I've shipped a second Proxmox server off to the datacenter. My plan is ...
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Timeout trying to connect to a TCP server running on raspberry pi Access Point [closed]
I have a raspberry pi 3 that launches an access point on wlan1, and then starts a little TCP server from an old project that I know works.
From an android device I then successfully connect to the AP, ...
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Laptop connected to lightweight access point via WLC to access specific VLAN 10 [closed]
This is my network topology and the problem is with L2 which is succesfully connected to LAP which acquires ip address via DHCP from WLC's DHCP pool for management.
L2 cannot manage to acquire ip ...
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answer
80
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Pfsense router NAT Redirection not working [closed]
I have a pfSense Router protecting numerous things within my network. However, a few of those things, such as my Ark Server, need to be accessible from inside my network but it doesn't work. It worked ...
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36
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Longest Prefix match with entries greater than my IP
I am currently facing a problem and can't get a definitive answer to how the router will decide the correct interface to forward my packet to.
Given that an IP datagram has destination address of 192....
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51
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juniper qfx10k sflow
I have a QFX10002-36Q, and I configured sFlow with the following commands:
set protocols sflow polling-interval 20
set protocols sflow sample-rate ingress 10000
set protocols sflow source-ip 10.x.x....
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Dell Switch OS does not allow any interface commands
I have recently been tasked to operate a Dell switch and I have to shut down an interface connected to a server.
But the switch OS that it has doesn't allow me to enable/disable the switch ports.
SW1(...
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