Activity in Technology and Support
ACL settings for management port (Gi0/0) in v17.12.x of C9400
I checked the following document and found that “ACLs cannot be configured on management ports.” but we confirmed that it is possible to configure it on the actual device at Is this an error?interface GigabitEthernet0/0 ip access-group 111 in ip acce...
SD-WAN vManage GUI can't manage vBond and vSmart despite DTLS tunnels
Hi,I've deployed a LAB with SD-WAN 20.11.1 (vManage,vSmart and vBond are all 20.11.1) - the controllers connected on the same VLAN/Network.when I add vBond and vSmart over the GUI - I see that the communication is working because when I use the CSR o...
Cisco AIR AP 2800 Series - Stand Alone / Mobility Express mode
Hello Community,I have never worked with Cisco APs before and I have just come across two Cisco AIR-AP2802E-E-K9 access points.I would like to use them privately.The devices are currently running the Lightwight variant, as they were apparently previo...
Microsoft Entra ID Integration with Secure Network Analytics
Single Sign-On (SSO) is now a critical element for modern organizations, effectively balancing seamless user access with strong security. As a leader in Network Detection and Response (NDR), Secure Network Analytics (SNA) offers integration with a ra...
RSTP forward delay
Hello all,Can anyone explain why RSTP does not have forward delay timers, and what are the port transitioning states.
Caller ID - Showing a Name
Hi,I've got a cisco unified call manager 6.x, and whilst for internal calls I'm getting a display of a display name on our phones (7941G/7961G), for external calls (where caller-id is presented), no display name is there - even for numbers which are ...
CUCM DNS Unreachable
When i open my CUCM using GUI there are 'WARNING: DNS Unreacahble'. Actually when i try ping using name via CLI the cucm can resolve the name. How we can fix gui warning or is there any command to ignore that warning?
Not authorized to register PnP account
Catalyst Center version 2.3.7.9-70301System > Settings > Cisco Accounts > PnP Connect allows us to select a Smart Account and Virtual Account (DEFAULT is our only option) but then errors when we try to complete the registration."Failed to register th...
Lab deployment - Can't join ISE to Windows AD
I am trying to do some lab testing, and have deployed ISE and Windows AD. They are Proxmox guest VMs, configured on the same subnet and on the same host. Server is 2025 version, ISE is 3.4.0.608. The user I am authenticating with is a domain and ent...
Need Help with Cisco C240 M4SX RAID Controller and Fan Issues!
I recently got my hands on a Cisco C240 M4SX with 24 drive bays. It’s equipped with a Cisco 12G SAS Modular RAID Controller, but I’ve run into an issue I can’t seem to solve.From what I’ve read, using a non-Cisco PCIe adapter causes the system fans t...
Cisco C9407 upgrade path 16.12.03a to 17.9.6a ?
Recently need to upgrade C9407 Current version: 16.12.03aTarget version: 17.9.6a Supervisor 1 XL Module with 25G FW: 16.12.2rCPLD: 19032905 Two 9407 SVL units---Can't find the upgrade path in official documentation?Can we upgrade directly from 16.12...
Resolved! Cisco cp-8841 firmware
Can someone be kind , and inform me of the latest firmware for Cisco cp-8841, I tried to call and guy wasn’t very helpful
Some ports on C9200 Switch not passing traffic
We have a C9200L-48P-4X deployed. All of the gigabit ethernet interfaces are on one vlan. Most of the interfaces pass traffic just fine but there are at least 4 interfaces (that we know of) that don't pass traffic. All of the interfaces are configure...
Resolved! Multiple GRE tunnel question
I’m just making sure on this. If you have two GRE tunnels whose source is the same interface, both MTU would still be 1476 correct?For instanceInterface gig 1/0/1ip addr 192.168.1.1 255.255.255.252tunnel 1ip mtu 1476ip tcp adjust-mss 1436tunnel sourc...
AnyConnect MAC OSX exclude/include DNS not working
I am trying to get this working to no avail. Whether I exclude the domain I want to resolve locally or include the domain I want to resolve through the tunnel the client sends all requests through the tunnel. I am specifying a DNS server on the gro...
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