The other access switches as I''ve name them are connected to the core switch. I''ve been trying to create VLANs that
Traffic passing through the BRAS is classified into education network traffic, ISP1 traffic, and ISP2 traffic. Therefore, you are advised
I have 2 WS-C3750G-48TS-S cisco switches that have the same vlan configurations between the 2 with a fiber uplink as the the
In general, just enabling passing vlan traffic is not enough. You need to assign vlans to ports as either untagged (only
When i monitor the source of vlan 60 both, there are no netflow traffic at all. So in my C9300 switch, when i check show
It is my belief that this problem is the root cause of several other problems (not being able to download IOS via TFTP).
I have set up a core stack of 3750 switches (3750e, 3750g, and 3750v1 w/PoE) that seems to be running solid. I
You want to simply extend L2 all the way from the access switch to the firewall so all ports need to be L2 until they get
If your core switch terminates the VLANs the FortiGate is going to drop all traffic without a known route. I.e. 10.10.10./24 is ingressing
You look at routing on a core switch... generally when passing the traffic through the firewall starts to give you performance problems.
I have a D-Link unmanaged 24 port switch coming off a Cisco Catalyst 3xxx series 48 port switch. When I plug the
Hi All I have the following situation where I don''t really know which solution to pick, would really appreciate some help
This document describes how to troubleshoot several common issues with Dynamic Host Configuration Protocol
If I reboot any of the switches, I regain connectivity on vlan 10 after the reboot, but vlan 20 and 30 continue to not pass
In other words, the VLAN should not reach across the network''s core and into another switch block. The idea again is
So about what you mention, the second link is totally useless right now if switches are not stacked or the link is
Define the core switch—the central, high-speed backbone required for aggregating and routing massive volumes of
I''m having an issue where it doesn''t appear my switch it properly passing vlan traffic. I have an NNI connection what
We have manually created these vlans on all three switches. Between the switches, we have configured LAG ports.
Hello, Trust you are doing good. From the query it seems that there is some routing issue and proper routes are not
The Access switch would need to have a way to reach the Firewall that did not pass through the core switch or possible through a
I have tested both SFP modules on the Core switch and they both work fine. The issue is either the access switch config on the SFP
Hello, this is really embarrassing and has been frustrating to say the least. I have a linux (centos 5) machine which has
Except for forwarding traffic at the fastest possible speed, core switches do not provide any other services. If core
Passing internet traffic through core network before passing through a firewall Due to some limitations on the hardware we
The problem is that when we connect an end device (access port, no trunk ports thus far), it simply is not passing
Core issue Inter-Switch Link (ISL) is a Cisco proprietary trunking protocol for the encapsulation of Virtual LAN (VLAN)
A few weeks ago a Catalyst 3560 seemingly randomly stopped passing through traffic. I have gone so far as to format
Solved: Hello everyone, I''m kind of new on networking and I''m trying to understand this behaviour: I have two switches
Are those present in the new config? Stuff catching fire on the removal of vlans usually means that L2 path was needed for
Since the source and receiver are located in different VLANs, you need a multicast protocol such as PIM. Or you can
Good day all. I am running through a packet tracer exercise and am stuck on where to go next. Forgive me if I am
Alcatraz875 also made another good point and LAG does not equate to an access or trunk port. LAG is about combining links at
Router has internet but Core Switch not picking, what i''m i missing? Router and Switch can ping each other Router
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