Introduction Cisco NX-OS offers a robust set of features to guarantee the uninterrupted operation of the Nexus series switches at the Data Centers. Taking advantage of the Cisco NX-OS architecture which is running on Linux OS, makes it easy to embed productive tools used by network administrators who are familiar with Linux-based environments. Two of […]
Source We all know it. The Firewall is the scapegoat of the IT infrastructure stack. When something goes awry with the network, the firewall is the first ‘person’ to get the blame. Sometimes the firewall is the culprit, but many times the reason for performance degradation or loss of connectivity is related to another part […]
Cisco Nexus OSFP vPC Implementation & Verification Cisco Nexus virtual Port Channel (vPC) is a virtualization technology launched in the mid of 2009. The majority of Cisco Nexus Series Switches (Nexus 9000, 7000, 5000 and 3000 Series) supports the Cisco Nexus virtual Port Channel (vPC), which is a virtualization technology launched in the mid of […]
New knowledge, in depth analysis and detailed remediation steps have been introduced in release 6.3.x.x. It supports many new critical metrics for the next critical and widely deployed CISCO Data Center NX-OS technologies: ✓ virtual Port Channel (vPC) ✓ Fabric Extender (FEX) In brief, the Cisco Nexus virtual Port Channel (vPC) is a virtualization technology launched […]
Cisco launched the Nexus 2000 Fabric Extender (FEX) series in 2009. The FEX technology is based on the IEEE 802.1BR standard. The Nexus 2000 Series Fabric Extenders behave logically like remote line cards of the parent Cisco Nexus switch. The parent switch can be a Cisco Nexus 5000 Series Switch, Nexus 6000 Series Switch, Nexus […]
This is the third and final article from the Cisco Nexus virtual Port Channel (vPC) virtualization technology and Indeni series. In the previous articles we covered the main components, features and best practices implemented for the NX-OS vPC Data Center technology. Indeni discovered and analyzed the Nexus switches N9k and N5k deployed in a vPC […]
This is the second article from the Cisco Nexus virtual Port Channel (vPC) virtualization technology and Indeni series. In the first article we discussed the main components, features and several best practices of a Nexus vPC Data Center architecture. A pair of Nexus 5500 switches had been deployed at a lab environment and used for […]
Cisco Nexus virtual Port Channel (vPC) is a virtualization technology launched in the mid of 2009 and is supported by the majority of Cisco Nexus Series Switches (Nexus 9000, 7000, 5000 and 3000 Series). The vPC enables the deployment of a link aggregation from a downstream network device to two individual and independent Cisco NX-OS […]
Spectre – Meltdown Vulnerabilities The Spectre and Meltdown vulnerabilities have been described as the “worst ever CPU bug” which could let attackers to steal sensitive data. Spectre was made public along with the Meltdown vulnerability on January 3, 2018, after the affected hardware vendors had already been made aware of the issue on June 1, […]
The Cisco Nexus family includes a generous number of different Nexus switches models to meet the demands of any Data Center (DC) environment. Indeni supports a broad range of Nexus Series Switches and Cisco Data Center technologies. See below for background information and best practices to minimize the CPU / memory impact of a Nexus […]
In this article we are going to discuss the automated provisioning options for NX-OS, their benefits and provide examples of useful provisioning scripts. We will also try to understand why automated provisioning is still underutilized in the world of Network professionals. Auto provisioning benefits Automated provisioning is arguably best suited for large companies. If you […]
This is the first part of a series covering VXLAN on NEXUS devices. Various control-plane approaches will be covered. In this first part, unicast and multicast control-plane is discussed and in our next post, we’ll discuss one VXLAN using MP-BPG. Each of these have advantages and disadvantages. The purpose of this series is to show […]