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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 ...
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...
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...
Which router will come to know first (if they are connected in star topology and any router except the central one is broken ) in distance vector with split horizon ... Please explain Thanks
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
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...
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...
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...
I am running Cisco UCS version 4.3.4a and have Cisco UCS C240 M7SX rack servers. I de-commissioned one of the rack servers and am trying to re-commission it and it just hangs. No progress.
The Spanning Tree Protocol (STP) family, which includes STP, RSTP (Rapid Spanning Tree Protocol), and MSTP (Multiple Spanning Tree Protocol), has been essential for loop protection in networks. However, are these protocols efficient for use in ring t...
In today’s fast-paced digital world, high-performance critical networks are the backbone of cloud and latency-sensitive business applications. To keep everything running smoothly, it’s crucial to maintain top-notch service performance and comprehensi...
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...
Hello,I'm working with Cisco Nexus Dashboard Fabric Controller (NDFC) API and i'm trying to understand how to effectively use the queryKey and fabricDBID parameters in the SAN Zone Manager api calls in the API swagger doc interface, as well as how to...