DOWNLOAD BRKARC-3470DOWNLOAD BRKARC-3470

Perhaps they had a static route and it disappeared when the network link went down. Sorry, your blog cannot share posts by email. We where able to remove both Cisco switches in about an hour they were DC, so an electrician was required and get the new Nexus shoe-horned in their place. To be honest, the installation went really well. One thing I want to mention, when you are thinking about your uplinks to your core switches, be aware of the switch ASIC layout. This will be a 2-part post, first part is the Nexus configuration for vPC, the second post will be on the mutli-chassis ether-channel configuration around the as well as the Nexus switches. The Nexus is

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That command there on the gateway will usually get things working.

brkarc-3470

Success –Last receive at: Bonus information contained within the MIB is information on the, yet unannounced, Nexus ! In the you have an 18 slot chassis and slots 9 and 10 are brrkarc-3470 for supervisors, thus providing 16 available slots for line cards. Perhaps they had a static route and it disappeared when the network link went brkkarc-3470.

In thethe line cards are horizontal — so the fabric card needs to be vertical. Now, onto the configuration, first up the Cisco s. Now, some of the other problems that we encountered that where hardware related was a bad Supervisor module backup supervisor actually that was causing high CPU usage on the box. So, brkaarc-3470 problems did we encounter — that is where the fun begins.

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The fan tray is picture below on the left and the fan tray is on the right. Both are also the full depth of a standard 4-post rack — so you need to be aware of quite a bit when designing the space layout around them. This is a loop-prevention mechanism, and that is a good thing as you can guess. Figured I would put up a quick brkarrc-3470 with my current Cisco Live class schedule.

rshughes | the rants of a data center crash test dummy

Here I hard-coded switch 1 to be the vPC master. Since I am using 10G links for this connection, I have set the rate mode to Dedicated. We actually talked about doing this prior to the Nexus being installed, but chose to wait as we did not want to change too many things at one time.

The other side has the IP addresses reversed Had to move the formatting above to get the command to fit, sorry. Typically this is fine in a normal spanning-tree network, but what happens when using a VPC is something different. This VRF will not participate in your global routing table, thus allowing for more stability and also the prevention of duplicate IP addresses in the network. In thethe cards are in a vertical mounting whereas in the they are in a horizontal mount.

What you will also notice is that you configure the Stack just like it was only connected to one switch, just one single port-channel that consists of all the ports connected to both Nexus switches. Packets dropped due to IDS check address reserved on module 9. With the currently available supervisors and cards, the Nexus can handle Mpps and the can support twice that, Mpps.

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brkarc-3470

N7K2 sees the packet and just drops it. Now for another neat trick — the NX-OS has gzip installed, so we can gzip the file and make it even smaller before transferring it to our computer.

We had the new network up and running, ready for cut-over by around 5 AM — 5 hours after we started. What are the benefits of Multi-chassis vPC ether-channel? It joins its big brothers the and as you can see below.

BRKARC-3470 – Cisco Nexus 7000 Switch Architecture

Some interesting memories from that event. Red — Router Output Blue — Commands Green — Notes Traditionally when we have done show tech-support, we have always done terminal length to 0, set the capture buffer on our terminal application, and then executed the command — like this: Just like the Ciscothe Nexus sits on a shelf for support and then gets screwed in on the face to the rack.

I suggest using a dedicated VRF for security and sanity purpose. We had TAC on the phone actually they usually had 2 TAC Nexus Engineers on the calls and the vendor and they worked out all the communications between devices and figured it out. To be honest, the way that Cisco has designed these, they rack easily. I will also say that getting all the vendors on the phone TAC, Vendor, etc makes a huge difference.