design
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Security
New Intel Design Flaw is VMware Affected?
Update 1.11.2018 – Script from William Lam to check VMs and Hosts/Clusters ***Update 1.9.2018 – VMware releases CPU microcode update as part of hypervisor-assisted guest remediation withย VMware Security Advisoryย VMSA-2018-0004, newย Hypervisor-Assisted Guest Mitigation for branch target injection (52085) ***Update 1.6.2018 with…
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Networking
Design Considerations LACP LAG
Link Aggregation Groups are multiple connections between two switches that allow the switch to aggregate links/bandwidth between them. ย LAG’s are typically dumb in themselves without using Link Aggregation Control Protocol, LACP, on top. ย In fact, for instance, a (4) link…
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Virtualization
Overlapping Subnets Lab Environment
A while back I wrote up a post about creating an isolated test environment using the same ips and subnets with VMware. ย This post was written from a layer 2 perspective with users who needed access gaining access to that…
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Networking
Mikrotik Setup Multiple Virtual APs and VLANs
Recently, I picked up a Mikrotik RB951G-2hnd for an additional AP to play around with in the lab and to eventually replace an aging Netgear SOHO router/AP that currently only handles wireless access traffic and doesn’t do any routing. ย I…
