Questions tagged [switch]
a device that bridges network segments, operating at the OSI link layer level.
1,539 questions
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Network Link to a Host is down after some time in same vlan
A physical host is connected to our Aruba switch at interface 1/49 via a 10GB SFP (third-party module). After some time, the host becomes unreachable. The physical host is running Rocky Linux 9.6, and ...
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How to split Cisco smart switch into two isolated networks [closed]
I have a 10-port Cisco SG-300 smart switch that I want to split in half.
My PF Sense router/firewall has two Ethernet ports, where the LAN port outputs a VPN-protected connection, and its OPT2 port ...
- 19
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Linux bond0 with 802.3ad not receiving LACP response from MikroTik?
I’m trying to set up an 802.3ad (LACP) bond on Linux with four interfaces (ens3f0, ens3f1, ens2f0, ens2f1) connected to a MikroTik switch. The bond is configured with
mode=802.3ad,
miimon=100,
...
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SSH items with kex algorithms mismatch
Zabbix 7.2
OS Oracle Linux 9.6
I have a legacy switch that is monitored by a Zabbix Proxy and has SSH items configured.
However, the SSH items are unable to reach the host due to a mismatch in Kex ...
- 143
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Packet sampling without generating Netflow records
I'm trying to look for network devices that can do packet sampling only without generating Netflow records for the sampled flows, but most of what I found includes the Netflow generation too. I looked ...
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Can not configure second SFP port on Juniper EX2300
I have trouble using an additional SFP on a EX2300-24T switch. Currently I am using several 1G copper ports and xe-0/1/3 as uplink which is working fine. However, trying to configure another SFP ...
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Planet switch settings reverting
Introduction
I have two Planet sgs-5240-48t4x switches and they are connected via 1000BASE SFP singlemode fiber connection.
The link doesn't work when both sides have the autonegotiation enabled. For ...
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Servers and clients in two subnets, how to make the traffic go direct but not through gateway?
We have VLAN 101 with clients and assigned 192.168.1.0/24 with gateway 192.168.1.1.
VLAN 102 with Servers and assigned 192.168.2.0/24 with gateway 192.168.2.1.
A router with two interfaces in VLAN 101 ...
- 123
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516
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VLAN traffic not passing through managed switch
I upgraded an unmanaged TPLink switch to a managed Linksys LGS328MPC POE switch.
Traffic from some wireless clients are tagged by the AP with VLAN 3000. In the diagram, when the unmanaged switch is ...
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How can I adjust the digital optical monitoring thresholds on Cisco/Meraki MS-225 switch?
I have a Cisco/Meraki MS225 switch with four SFP+ ports. I have a fiber optic module in one of those ports. All five of the DOM values are showing as in critical state. I'm suspicious that the ...
- 181
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How to configure ports and ensure proper traffic flow in a Layer 2 switch snake test
I am trying to perform a Layer 2 switch test using a snake test. My topology is as follows:
There are two computers and four switch ports.
Port 1 and Port 2 are in VLAN 10.
Port 3 and Port 4 are in ...
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Routing traffic between 2 routers
This is roughly the network infrastructure as of now
As you can see I have two routers/firewalls in Nethserver and OpnSense (This is newly installed with the new ISP).
Nethserver LAN's subnet is 192....
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How to route around a passthrough switch
I'm not experienced with networks, so please be patient if I use incorrect terminology. I tried to google, but due to the lack of words to exactly describe my problems I didn't find anything useful.
I ...
- 121
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PXE Boot performing randomly from cascaded switches
I'm facing PXE-boot issues within a school network. I'm posting here to make sure I'm not missing something on switches configurations. The issue is that PXE-boot is performing systematically with ...
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Difference between "Port VLAN ID" and "Untagged VLAN Membership" on HP Aruba Switches
I think I understood VLANs pretty well by now but I struggle with PVID (Port VLAN ID) versus untagged VLAN Membership.
What is the difference between these two? Why would I want to configure a port ...
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