Activity in Technology and Support
CUCM and Unity Network Requirements for Remote Backup/Restore
We’re planning to backup and restore CUCM and Unity Connection across multiple international VoIP sites to/from the cloud.Could you help me know what is the recommended network latency (TTL) as per best practice to ensure a reliable and successful ba...
Inquiry About MEC Configuration with Stackwise Setup
Hello,I'm planning a network setup as shown in the diagram, where SW1-SW2 and SW3-SW4 are configured using Stackwise.In this setup, I intend to connect SW1 to SW3 and SW2 to SW4, and configure MEC (Multichassis EtherChannel) accordingly.I'd like to a...
Same OSPF area 0, EIGRP between them
Hello. My network is fully EIGRP at the Data Center, but there is going to be another brand integrated at the DC, so need to use OSPF on different blocks.I would like to understand what could be the problems I could face if I use the next topology:[O...
DCA leaving APs on channels with over 40 percent utilization.
Using Model 9800-40 WLCs with Model 9164 APs running version 17.12.4.We have APs that are staying on channels with over 40% utilization and not changing channels under DCA even though there are lot of APs with very low channel utilization. The high u...
CES classifies inbound mails as outgoing .protection.outlook.com
We are experiencing an issue with our Cisco Email Security (CES) appliance where some inbound emails are being processed as outgoing. As a result, these messages are not evaluated by the correct policies (e.g., antispam or sender authentication for i...
APIC M2 TO M4 Migration
Hi everyone, We’re planning to migrate from Cisco APIC M2 to M4 hardware in a Multi-Pod environment. Our current setup includes a single-node APIC cluster running version 5.3, and I’d like to gather input from those who’ve handled similar upgrades. O...
OpenDNS not resolving - Cisco Umbrella
In the last few weeks we have issues with openDNS which does not resolve hosts, but other DNS do.At the moment it is e.g. frank-meisler.com. OpenDNS does not resolve, but EU-DNS, Cloudflare and Google-DNS do resolve it.Paying a lot of money for this ...
Multi Phase 2 connections with IPSec Site 2 Site
ive got a problem i cant seem to figure out. When my Ipsec tunnel is built it makes a new phase 2 connection every 60 seconds. 1.1.1.1 = Cisco Router2.2.2.2 PfSense Router----- Connection configuration -----1.1.1.1 => Internet <= 2.2.2.2-------------...
FMCv License Upgrade
Hello We purchased new FMCv license to manage 10 devices and we already have FMCv license to manage 2 devices, both are attached to the same virtual account. i need to use the same FMCv i'm already using to manage 10 devices instead of 2. so, i need ...
Resolved! Upgrade FMCv device licence
Currently have a FMCv with a 2 device licence of which both licences are consumed. Customer now wants to add in a third Firepower managed device which will obviously take it over the device limit. I know that I am unable to "stack" up 2x 2 device lic...
PKI FlexConnect Authentication
Hi, I am looking for a guide on how to get certificate working with Cisco C1111-4P (code 17.12.5a) I am trying to get ECDSA certificates working to authenticate over the FlexVPN instead of PSK I think my first question is, is it supported and what si...
How to disable ap rolling upgrade in DNAC for N+1 in wlc 9800
How to disable ap rolling upgrade in DNAC
Resolved! Design Help: MEC across Domains in Stackwise Virtual
Hello,I am working on 4 devices of C9500s and need to clarify a design to create 2 Domains (each having 2 members)Let's say we have 2 buildings, and each will have 2 of C9500s.In Building A I have a domain 10.In Building B I have a domain 20.Now I al...
Security Intelligence feed/list change alerts
All,I've been tasked with obtaining an alert whenever a security intelligence feed or list is added/removed/modified within Security Intelligence but only have been able to find a means to alert on events discovered from SI.Might anyone know of a way...
Automatic ISE Portal Certificate Renew with Letsencrypt - how to guide
Free Certs Anyone? Have you ever wanted to get a public certificate for your ISE Portal, without the hassle of involving a commercial CA? If so, read on. This lengthy guide (maybe better as a Youtube video ... in future) will show you how I setup a...
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