Trending questions
16,963 questions
0
votes
0
answers
39
views
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 ...
0
votes
0
answers
9
views
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 The router will have an outdated ARP cache for a certain period (60 seconds on Linux, or 2 minutes on ...
- 1
0
votes
1
answer
39
views
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 ...
- 3
0
votes
0
answers
5
views
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 ...
- 101
0
votes
1
answer
31
views
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, ...
0
votes
0
answers
6
views
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.
...
- 1
1
vote
1
answer
80
views
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 ...
0
votes
0
answers
23
views
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 ...
4
votes
2
answers
363
views
Correct idea for an IPsec gateway
The purpose of this question is to improve my ability to technically apply the idea of routing specific traffic through an IPsec tunnel before reaching the Internet.
So far the best that I can ...
- 41
0
votes
0
answers
51
views
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....
- 755
0
votes
1
answer
36
views
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....
0
votes
1
answer
37
views
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(...
- 111
0
votes
1
answer
53
views
Can you multiplex 5+ ethernet lines such that one of those is selected mechanically or by detection of a signal on that line?
Hi all I'm a relatively new electrical engineer who's been asked to take 5 Cat 5 data lines and feed them to a hub which selects one of them upon receiving data in that line to send to a computer. As ...
0
votes
0
answers
11
views
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 ...
2
votes
1
answer
154
views
Dual ISP with default route setup
This is how my topo will look end of the day.
eBGP peer between Edge <---> ISP
eBGP peer between Edge <---> Border-Leaf (I am using 65355 to peer eBGP with Edge )
Inside EVPN/VXLAN ...
- 4,431