I recently ran into a slight bump when deploying the Cisco Cloud Services Router 1000v (CSR) on ESXi vSphere 6.5. The error message I received when trying to deploy the CSR OVA was:
VALUE_ILLEGAL: Value “VMXNET3 virtio” of ResourceSubType element not found in [E1000, VmxNet2, VmxNet3].
The OCSA exam tests your understanding of components in an SDN framework, your ability to articulate the fundamental workings of networking and the OpenFlow protocol, as well as your knowledge of vendors, solutions and projects available in the SDN landscape. (more…)
At the recent Tech Field Day event (NFD10), Riverbed announced it’s entry into the SD-WAN market with it’s new solution currently dubbed Project Tiger. This threw me off guard, for I typically think of Riverbed as an APM or WanOp solution sitting between my Data Centers and large branch sites, optimizing particular traffic. I never conceived the possibility that Riverbed would enter a market dominated by edge routers. Oh, but one should not be so foolish. Riverbed certainly isn’t. With bold statements like, “The future of the WAN is NOT … a router,” it seems that Riverbed is prepared for disruption. (more…)
I recently purchased a pair of MDS 9216i switches for my CCIE Data Center studies, as they will suit me for the majority of my storage studies (minus FCoE). The MDS’s shipped with old code, SAN-OS 3.0, and I needed them upgraded to at least NX-OS per the blueprint. For a lab with disruptive capabilities, this is super easy to do. (more…)
Goal: Multicast across VLANs and across Layer 3 hops to other campus locations and verify shared-tree stream to the Rendezvous Point (RP). (more…)
When running through the initial configuration of my new Cisco Wireless LAN Controller (WLC), I unknowingly left my management vlan id untagged. Once I racked and patched the WLC on the corporate network to continue configuration I was not able to reach it, couldn’t even ping it. To get access to the WLC I added this to the trunk port configured for the controller (more…)