Activity in Technology and Support
USB Not found in For IOS Update
Hello Community I am facing some issue in my Cisco Catalyst c9200L-48P-4X some time the Switch is booting is normal way and turning to again reload switch: Mode I would like to rest the IOS and upload new one but USB is not finding in OS even ...
admin distance in BGP
in ios xe and xr, the 'distance bgp <external> <internal> <local>' command requires three numbers. what is the purpose of <local>?Routing, Routing Protocols
BGP IPv4 with IPv6 next hop
according to RFC 5549 and 8950, BGP can use IPv6 neighborship to transport IPv4 address family and vice versa. if i understand correctly, this feature does not work if the core is IPv4 or IPv6 only. so what is the point in using it since you need bot...
BPDU Guard
Just a simple question why it's recommended to use both Portfast and BPDU Guard together apart from the very fact that both should be used in access switches ports connecting to end users?? Like BPDU Guard will still work if I don't have portfast con...
Is ISE 3.4 stable for production?
Hi,We're currently at ISE 3.1 patch 10. We intend to upgrade to ISE 3.4 patch 3 which is marked as suggested version now in Cisco's download portal. Since we've had many problems even with suggested software versions, I don't value a star in a Cisco ...
Annyconnect ISSUES ON Cisco 2901 router
Dear Community Members.,I am having issues with my Cisco anyconnect VPN :The VPN suddenly stopped working with an error message of Expired License:Below is the Content of the Directory: ANYCONNECT_CYB#dirDirectory of flash0:/1 -rw- 104193476 Mar...
How to lock a CDB subtree
I need to lock a sub-tree of the CDB.I developed an Action that reads and modifies data shared across all calls. Unfortunately, this action is usually invoked in bursts (around 10 calls within a fraction of a second), so multiple executions end up mo...
Release Announcement - Introducing NSO 6.6
We are thrilled to announce the release of NSO 6.6, a short-lived release packed with exciting new features and enhancements. We would like to highlight some key enhancements to this release. Summary Integrated AI Assistant in the NSO web UI for Cr...
FMC IP change – FTD already onboarded, registration key not available
Hello Community, We are planning to change the FMC IP.The FTD is already onboarded and in sync with FMC (production environment), so factory reset or config loss is not an option. To update FMC IP on FTD, we need the registration key so is there any ...
Catalyst Center Sandbox-20260106T11183189 - ISE stopped working
Catalyst Center Sandbox-20260106T11183189 - ISE VM stopped working. Need help restarting it.
How to get new OID aaded on snmp walker
I got some new OIDs created through CANA request, but i dont see them getting added automatically on snmp naivgator. https://snmp.cloudapps.cisco.com/Support/SNMP/do/BrowseOID.do?local=en Are we supposed to raise request for this separately somewher...
C887VA-M-K9 V02 has a fan inside?
Hello, my iOS on C887VA-M-K9 is complaining about heat issues on boot up with VDSL 2 board. I'm wondering if I have an issue of thermal paste, since internally there is none visible clues fan ever existed. I bought this unit used to replace my C887M-...
IS-IS Three-Way Handshake
Hello, everyone. IS-IS has a mechanism called the three-way handshake that is enabled on P2P links. It is defined in RFC 5303. The basic mechanism defined in the standard is that each side declaresthe other side to be reachable if a Hello packet is h...
Why do I get a blank page when logging into web browser config page?
I am a CCNA student and I recently bought a SGE2000 10/100/1000 Switch to play around with. I set it up and but I am having a little difficulty getting into the switch to configure it. This switch has GUI so I opened my browser and typed in the de...
vxlan tunnel btw Linux machine and C8000V
I'd like to set up the communication btw a Linux VM in public cloud and Cisco virtual router C8000V (version 17.9.4a) in our DC via vxlan overlay networking based on IPsec tunnel. here is C8000v config: int loopback1 ip address 10.200.200.1 255.255.2...
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