I tried pretty much all already. One thing I haven't is I didn't replace the IOS with different version. Below is whats happening. I'm getting errors when trying to choose the image. Eventually, I;m able to bring up bootflash as you can see below, bu...
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Forum Posts
Resolved! C9200 Switch Stack - Remote command
I'm currently setting up a pair of C9200-24T switches in a stack. I'm running the show version command and I only see the switch uptime of Switch 02. I don't see the uptime of Switch 01. I also have a stack of C2960x's that does the same thing. Howev...
Resolved! Catalyst 3560 set Baudrate
Hello, I have a 3560 switch which Baudrate has been set in the xmodem prompt to 57600 to speed up the image upload. How can be the baudrate set back to the default 9600? Thank you so much.
My company has a re-design of our campus network coming up. I have been taksed with implementing a switch stack in a new building being added into the campus network. There will be 3 buildings in a ring topology each running a layer 3 switch stack ...
Hi all I am trying to fine tune egress buffers on one of our C9500-48Y4C switches (High Performance). I've read few documents and watched couple Cisco Live presentations and still can't fully grasp how egress buffers memory is being allocated. My und...
Hello all,First post so please be kind... I've got a small lab setup for learning mostly virtualization, Windows Active Directory, some telephony kit etc etc. I've been using an old Dell unmanaged L2 switch and decided to try and learn a bit more abo...
Resolved! Untagged VLAN assistance
Our network has had no real need to use untagged traffic until recently. We have a new piece of equipment coming to our data center and it requires the use of untagged traffic through a trunked port-channel. This is my understanding of how tagged an...
Hello everyoneI am confused about the difference between GLC-SX-MMD= and GLC-SX-MMD, or GLC-LH-SMD= and GLC-LH-SMDI need to check compatibility with a new model. For the same device, I see a PID in Cisco Active Advisor, but then a "show inventary" in...
Is there a configuration sample?
Resolved! C9500-32C and 1Gb SFPs
Greetings!I have been successful in plugging a GLC-SX-MMD (1000Base-SX with DOM) transceiver into a C9500-32C using a CVR-QSFP-SFP10G converter and bringing up a link (including CDP). However, I have been wondering whether operating a port at 1Gb/s h...
Hi Please assist i have 4 switches 3850 as stack,primary is running v16.3.7 IOS and the rest of the switches running v16.3.6 how do i configure primary to update the the rest of switches with latest version.Thanks
Hello, To explain you a little bit the situation, the switch was used on one of my others sites and when the site has been closed I let it as spare, and today i want to use it for another site.I wanted to configure my WS-C3650-24PS switch but i saw ...
Hey guys,So currently I have a core switch that's catOS using a layer 3 port-channel to two nexus 5K's. I want to change this to a layer 2 port-channel. In doing this I've created a new routing vlan, and a new port-channel. However I wanted to tes...
Dear All, I am setting up a DHCPv6 Stateful server on my R1-NY. First I created stateless DHCPv6 pool, but my stateful DHCPv6 pool seems to not working. I did put the DHCPv6 pool to the right interface, so the three PCs in my VLAN30 Sales should able...
Hello, we are having a problem with spanning tree, it is not blocking a port in the configuration which is causing a loop and we are getting the fallowing error on our switches. 1105089: Feb 21 22:31:34.937: %C4K_EBM-4-HOSTFLAPPING: Host 00:00:0C:9F:...
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