Nexus slow SCP and jumbo frame failure
If you’re attempting to use SCP on your Nexus switch and you realize you’re getting slow performance, even with jumbo frames enabled on your source interface, t...
If you’re attempting to use SCP on your Nexus switch and you realize you’re getting slow performance, even with jumbo frames enabled on your source interface, t...
Let’s just get down to business, we all use it but few of us understand what any of it means. The documentation is a little, well, complicated for some people s...
So, you’ve surely seen some interesting tidbits in the previous section, things you haven’t noticed from other configurations on the Internet. I will outline wh...
Here is an overview of the Cisco implementation for VXLAN using BGP EVPN for distributed control-plane operations. anycast gateway, and unicast head-end replica...
Much like on firewalls you can create object groups in Nexus, which you can utilize when you’re implementing ACLs object-group ip address {OBJECTNAME}{subnet/ma...
All Cisco switches by default have PVST+ as their spanning-tree protocol (mode). PVST+ is Cisco proprietary and, in my humble opinion, should never be used in a...
There is an issue I have noticed with VMware systems deployed with Nexus vPC technology that involve traffic only making it out of the vPC by disabling half the...
It is a common mistake to assume X number of ports in an etherchannel equates to the common port speed * X; however, this is grossly incorrect and I’ll attempt ...
You can use tcpdump or wireshark but if you have a Linux box handy you can install: cdpr. It makes life easy like this: cdpr -v Just follow the prompts for sele...
We’ll just do it the “quick and dirty” way. Just start capturing all traffic on an interface. Now, in the top portion by the word “Filter:” put this syntax in: ...