I have noticed that our network experiences intermittent connectivity issues. Upon investigation, I found that the Spanning Tree Protocol (STP) is frequently recalculating the network topology. What steps should I take to diagnose and resolve these f...
Hello I am trying to upgrade the cisco c9200l series, i have followed the guide but i cant seem to locate the packages.conf file to do the upgrade. Directory of flash:/ 97167 -rw- 140 Jul 30 2024 17:37:07 +00:00 boothelper.log97155 drwx 4096 Jul 30 2...
Reading through existing CAD request replies has me confused.Why does it seem so difficuilt to obtain CAD drawings for Cisco products?This is a basic offering with every other manufacturer. As others have mentioned, we need for accurate dimensions, m...
Hello, I have a cisco router 2801. with ios version Version 12.3(8r)T9 c2801-ipvoice_ivs-mz.151-3.T.bin and I want to upgrade it to 15.1 for using it as cme router.because current ios not support some of command such as (crypto key). first of I n...
We are testing the setup capabilites on IOS-XE (on CAT9200L and 9300L) and it was working great with IOS-XE 16.12.05b (cat9k_lite_iosxe.16.12.05b.SPA.bin) But with 17.03.03 (cat9k_lite_iosxe.17.03.03.SPA.bin) we get following error while booting up:*...
Hi guys, I've got two sites and I want to connect them via OSPF but with encryption, which encryption method is the best and more secure (MD5 or MACSEC) or is there another encryption algorithm? About the topology: Each site has two Cisco 9300 switch...
Hi i have the following issue I want to connect a pair of Nexus Switches (Both operate together with VPC to enable redundancy) to a VSS-Stack of two Catalyst switches. How do i need to connect them together? Each to each with one Port-Channel per Swi...
Hi AllJust got a pair of Cisco C9300 upgraded them to v.17.06.04And after a reload it is not saving my config.It doesn't give me any errors when saving and not issues if I do a full configuration.after a reload it's back to being erased.What am i mis...
Does anyone know/have links to design/engineering guides for DHCP snooping and Dynamic ARP inspection for IOS? I've found implementation guides which don't seem terribly in depth.Environment is metropolitan/campus area network with over 1000 L2 switc...
I'm a new Cisco CBS350 user, and I cannot get my two CBS350-24P-4X switches to stack.I have followed the Cisco Stacking Guidelines and have configured Stack IDs 1 and 2, respectively.The two switches are connected via Cisco GLC-TE SFP+ modules.I have...
Dear All, I need to upgrade to N-1 Release for WS-C2960-24PC-Lwhat should be the N-1 IOS version for this model please Current IOS is "flash:/c2960-lanbasek9-mz.122-50.SE4/c2960-lanbasek9-mz.122-50.SE4.bin"Your Prompt response is highly appreciated
Hi all,I'm having an issue on a WS-C2960X-48TS-L . The PoE doesn't work and the command show power inline gives me this output:I've already tried to:- Restart the switch- Update OS at the version: 15.2(7)E9- Reset to factory defaultsCould anyone help...
Hi, I would like to use Cisco QSFP-40G-LR4-S LC Connector with 4*10G MPO/MTP to LC connector cable. How can i do? do we have any LC to MPO/MTP convertor so that I can use 4*10G MPO/MTP to LC connector cable.
I am learning about switching and came across SVI in vlans ,I Googled and watched couple videos and got really confusing Firsly where do we use Svi? and why do we use it,How to configure svi and what are the benefits of using svi, How to determine sv...
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