Hi all May I have a question Our network have more than 20 vlan Core switch use Rapid-PVSTAccess switch user RSTP Are they can work together ? thank for advance.
Forum Posts
Resolved! Microbursts - Software to use
Hi all,Lately, almost every network that I put my hands on is suffering with this, but until now I haven't found a reliable tool where I can easily see this.Anyone knows of a software that I can use to easily detect microbursting using SPAN?Thank you
Resolved! Perpetual/Fast PoE
Dears just need to clarify some doubts , the access ports for ip phone remains up while still the switch boots but what abt the trunk link ports that has to transfer the data packets to the default gateway, does those also comes up faster and negotia...
In the attached pkt file, I have been trying to create a simple network, with the help of this pdf file. But when I ping from PC to Cisco.com, it gives me :Ping request could not find host cisco.com. Please check the name and try again.And in the con...
Heres the problem.I need to have a optic fiber sfp in port 1 but it wont work.It works fine in every other ports except the first.If i plug a eth tranceiver in port 1 it also works just fine.Whats wrong with port 1 and optic? Thanks!
Hi there, thanks for reading. I have an intermittent DHCP issue. Random clients won't DHCP (first through SG220 switch; now have swapped in place C9200s). They 'fix themselves' after a few hours. The client-side error reads: An error occurred whi...
Hi all,we are using 2 nos of cisco 4506 with VSS configured and all are working normal. issue is while connecting more than 80 meter cable POE is nor workingPlease help to provide the solution on this case
Hello friends I am in need of a help. I am currently working on a setup for a client. Topology is simple. There are 2 sites connected together over 2 P2P links. These are both layer 2 links. I recently replaced their EoL cisco 3500 switches ( 4 the...
Resolved! Nexus 9K OWN_SRCMAC Error
I am seeing a lot of ARP-4-OWN_SRCMAC errors being thrown by a few pairs of Nexus 9K switches that we have deployed. Here are an example of the errors from one pair: Sep 23 14:30:53 sw2 : 2020 Sep 23 19:30:53.206 UTC: %ARP-4-OWN_SRCMAC: arp [14128] R...
HI all, hope to find everyone wellRecently was put up with this challenge at my work place.I have a campus network with around 25 Ciscos 3560 with the IPBase license on them. Every switch is handling the same vlans (10,20,30,40) but different network...
Hi ThereI have recently been looking at the 9300 line of switches and I have noticed they do the UXB series which have 64Mbit buffers instead of 32Mbit on the other models.What are the benefits of these larger buffers as I thought these switches are ...
A new c3560cx and the nvram and flash were cleared. So the "switch:" bootloader prompt shows up on power up because the BOOT env var doesn't point to a valid image.Reading the doc's I find the copy xmodem: flash:<imagename> command. Need to set BAUD ...
Resolved! SFPs for C9300-24S or C9300-48S
Hello, which SFPs are compatible with C9300-24S or C9300-48S Switches? We need SFPs for 1000Base-T and 1000Base-LX/LH (Multimode/Singlemode). Thanks
Resolved! Why DTP is used?
Hi,I would like to know Why DTP is used? What are the pros and cons of it?Why there are different trunking modes?
hello, if i have 2 layer 3 switches and a set of layer 2 access switches in between so it forms a loop (the layer 3 on the edges of the loop and the layer 2 access switch in between as a physical connectivity), is that will affect the HSRP response c...
