Cisco Nexus 7000 upgrade to 8Gb
When upgrading a Nexus 7000 to NX-OS version 5.2 (using more than 1 VDC) or to NX-OS v6+, Cisco claims the need to upgrade the system memory to 8Gb. Note I have run on v5.2 using only 4Gb per SUP using 2 VDCs and it has worked just fine, but I should mention that the […]
Omnigraffle Stencil for Cisco Nexus
I am a MAC user and I have been looking but could not find a OmniGraffle Stencil with the Cisco Nexus icons, so I ended making one. I have also submitted the stencil to Graffletopia.com Feel free to download it and from Graffletopia or Mediashare:Cisco Nexus Hardware.gstencil.zipFiled under: General info
Cisco and their inconsistencies
Cisco is known for the inconsistencies between platforms and different IOS versions. I came across another that was rather annoying. Now between linecards. Trying to configuring the following standard sub-interface Ethernet AToM tunnel on a Cisco 7606 with a ES+ linecard: Yields the following misleading error… This is enough to annoy you for some time. […]
BGP between Cisco Nexus and Fortigate
It is not uncommon to find that different vendors have slightly different implementations when it comes to standards technologies that should work seamless. I recently came across a BGP capability negotiation problem between a Nexus 7000 and a client Fortigate. Today’s post is not teaching about any new technologies, but instead showing the troubleshooting methodology […]
Cisco Nexus User Roles using TacPlus
I previously wrote a post about the Nexus Roles and how they integrate with a TACACS server. Cisco Documentation shows the following format to issue multiple roles from a TACACS/RADIUS server.: We are using Shrubbery TACPLUS, instead of the Cisco ACS software. Last week I noticed that only one role was assigned when multiples should […]
Low Memory Handling
Memory problems on routers is nothing new. It is generally less of a problem in current day, but is still seen from time to time. BGP is capable of handling large amount of routes and in comparison to other routing protocols, BGP can be a big memory hog. BGP peering devices, especially full internet peering […]