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Cisco Community is an active and collaborative place to learn more about our products and ask questions of peers and Cisco experts! Check out some of the most popular conversations happening right now!

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SSH Connectivity to Nodes and External Connectivity

Hi everyone,I have not used CML in the last 3 years, I recently opened a new sandbox and unfortunately cannot get SSH connectivity to the default lab and even when I create my own lab, meaning I have the external connection connected to an unmanaged ...

IOS updating

I am attempting to upload a new IOS on my pacstar 441 Cisco router because my old IOS file is corrupted. I use the following commands but my laptop hosting the tftp server still can not connect to the same network nor having the file itself be upload...

DHCP Issue with Wireless

I have a weird issue with my Cisco 9200 and Aruba APs. Current network has multiple VLANs where the DATA VLAN is 10, the WLAN VLAN is 28, and the management VLAN is 999. All LAN devices plugged into VLAN 10 (DATA) has no issues getting a DHCP address...

mperdue20 by • Level 1
  • 43 Views
  • 3 replies
  • 0 Helpful votes

Access IP Phone cisco by CLI

Hi, We are need access the IP Phone by CLI, but, when is configured the username and password is presenting error. Are there any default login and password to be configured. The models are 7911 or 7821.Thanks, Regards,Wilson Santana

webex calling migration design question.

Hi Guys, i was hoping someone can shed  some light as i have few design questions. currently we have a customer (college), main campus with few remote campus using CUCM.  all PSTN calls (except 911) goes to the GW at the main campus.  remote campuses...

vijayS by • Level 1
  • 44 Views
  • 1 replies
  • 0 Helpful votes

The First Line of Defence With Cisco Umbrella

Are DNS Servers Secure?Many of today’s sophisticated attacks rely on DNS activity. Malware, ransomware, phishing, and other scams often use DNS to stage the internet infrastructure used to support each stage of their attacks.For example:DNS tunneling...

Gopinath_Pigili_0-1726755137085.png Gopinath_Pigili_1-1726755173216.png Gopinath_Pigili_2-1726755240937.png Gopinath_Pigili_3-1726755656458.png

OSPF Design Number of Routers in Backbone area 0

n the design of the OSPF routing protocol, the number of routers in an area is widely discussed in deployments and forum, and according to recent studies and the power of modern routers, it is no longer a major concern. However, the number of routers...

ospf topo design.jpg
Meddane by • VIP
  • 164 Views
  • 1 replies
  • 1 Helpful votes

Phone Certificate Trust

My client is using HTTPS to access the phones' web pages. The ability to get to the web page via HTTP has been disabled. I can access the CUCM 14 server itself directly using a web browser without going through the "Advanced/Proceed" business when th...

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