Activity in Technology and Support
cisco 3850 with mgmt vrf cannot resolve hostnames and ping hangs
Hello all, I'm having a very strange issue with a 3rd party purchased 3850 WS-C3850-24XS stack. I am using the Mgmt-vrf to manage the switch and pings work when you source from that vrf. But pinging without the source of vrf doesn't work NOR does it ...
Cisco 9300-48U with Cisco ISE for wired 802.1x
I am trying to troubleshoot/investigate this issue and it does not seem to be making any sense to me.I have a Nexus C9300-48U version (Version 17.9.2r CAT9K_IOSXE). The switch is configured to talk to 3 Cisco ISE PSN nodes, node1, node2, and node3 (...
GTM (big-IP) connected to new two router (two ISPs)
Hello, kindly i need your support as we connected GTM to discover global DNS from different two ISPs on two router each router have two VRFs, on first Router first VRF the main and second is the backup, on the second router the second VRF is the main...
C240 M4 & M3 BIOS .cap files
Hello,Does anyone have a link to a repository or would care to share the BIOS, CMC, and other drivers found in the latest Host Utility updates for the C240 M3 & M4?I have spent hours trying to update this firmware, I have scraped the internet trying ...
Replicating DC Environment in GNS3 for Pre-Change Testing
Hello everyone, I am looking to use GNS3 to replicate part of our production DC environment to perform pre-change testing. Our environment consists of:2 x Cisco ASR routers4 x Nexus 9K switches2 x Cisco ASA firewalls4 x Catalyst 9500 switchesMy main ...
Cisco bug ID CSCvv76083 ISE account password update failed when remote
I have the following ISE 3.3 patch-4 cluster:node1: PPAN/SMnTnode2: SSAN/PMnT,node3: PSNnode4: PSNAll nodes are joined an Active Directory, Windows 2016 servers, called CISCOCORP using the same domain admins account and everything is working fine...
Sequence of Managed Access Points Software Upgrade from WLC
Hi everyone! I was just curious, I managed to control and monitor 50-60 AP using the 9800-L-F, now I want to upgrade my WLC Firmware and I am aware that it will cascade the version to the AP and the access points will reboot. What I am curious is, i...
Calculation of MST cost
Hi all, Could someone please explain to me why I see the things I do with MST? I have the below setup in a lab, where SW1 is configured with the lowest Cost and is the root bridge. Everything is working as expect, in regards to STP, and SW4 is Blocki...
Cisco AP Selection or WLC Selection
Hello All,New here and I would like some feedback from all you gurus and experts. I have a Cisco Catalayst 9800 virtual WLC with 50+ Cisco 9120AXI access points on them. Current, I might have some budget to squeeze in some upgrade and the thought tha...
Issue after upgrading to 15
After upgrading to 15 we are getting this error when we search the devices
Firewall Migration Tool not working
I want to migrate ASA 5515 to FTD2120, and I downloaded the Migration tools from Cisco version 7.7, but I have an issue as shown in the image below, after signing in using CCO, I tried with different computer same issue
Cisco 2802i ME - Managing 3702i and 2802i Subordinate APs
Hello, everyone.I have been recently researching about WLCs and wanted to get started with one. Currently, I was thinking on implementing a WLC via Mobility Express on my 2802i access point, with it able to manage a 3702i and a 2802i, both running li...
Need help with MPLS TE Tunnel
Working on the following topology.MPLS TE Tunnel on PE1 is successfuly configured.but I cannot reach CustomerB from PE1. The control plane information seems to be ok but I am not sure if the data plane is broken. Any help is appreciated.
Certificate-based Authentication and the Importance of AD UPN
Within Active Directory, each user account has two types of logon credentials available for authentication: Pre-Windows 2000 User Logon Name (sAMAccountName): For example, domain\User1User Logon Name (userPrincipalName or UPN): For example, User1@do...
Resolved! DHCP issue
Hey I'm new here and I had a quick question, I have this practice lab I've been working on and i can't seem to get end devices in my VLANs to get IPs from the DHCP server. I tried everything, checking to make sure routing is enabled (it is), checked ...
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