. The major difference between a router and an L3 switch is that packet switching in a router is done in software by microprocessor-based engines,
Month: October 2012
Force10 – Layer 2 Parameters – configuration ( VLANs, STP)
. I will start here with STP. As covered in one of my earlier posts, When configuring Spanning Tree on Force10 switches, you should accommodate whether your
PowerConnect 8024 – Sample iSCSI Configuration – LAGged (Non-Stacked)
. First, I would highly recommend you have a view of my earlier post that summarizes the various (platform independent) optimizations you can implement on
PowerConnect Switch Hang/Freeze – Management Interface unresponsive Troubleshooting
. Are you connecting to the switch via the console port(and if so, are you using the null modem cable provided, or another solution), or is
PowerConnect 8024 – Sample iSCSI Configuration – Stacked
. First, I would highly recommend you have a view of my earlier post that summarizes the various (platform independent) optimizations you can implement on
The opinions expressed herein are my own personal opinions and do not represent my employer’s view in any way.
Force10 MXL Switch for M1000e Blade Chassis
. This is the first of three posts on MXL blade switches. While this gives an overview of the switch, the other two posts give
Force10 MXL configuration – Data fabric for M1000e blade chassis
. If you see an issue where the MXL switch refuses to boot when placed in the M1000e chassis, be mindful that this may not
Force10 MXL configuration – iSCSI fabric for M1000e blade chassis
. First, I would highly recommend you have a view of my earlier post that summarizes the various (platform independent) optimizations you can implement on
Force10 S4810 – Stacking Vs. VLT
. Cisco offers three solutions for eliminating STP. These comprise the stacking feature on 3750/2950 models, VSS on 6500s, and vPC on Nexus 5k/7k platforms.
Infiniband Troubleshooting
This comes from a stack of notes i compiled when faced with issues on an infiniband deployment that needed troubleshooting. 1) InfiniBand Hardware Checks
Cisco and Force10 – STP Spanning Tree Interoperability
. Cisco Implements a proprietary flavor of spanning tree protocol, which is Per-VLAN in nature. This gives rise to certain considerations in a multi-vendor environment. Any third
Powerconnect SFP/Fiber connectivity – Options, Requirements and Troubleshooting
Basic requirements for fiber connections on PowerConnect switches: MMF optical cables, LC connectors, and SFP transceivers. 1) Optical Cables : Single Mode Vs Multi Mode Single Mode
Latency, Packet loss Troubleshooting (PowerConnect, Others)
. First, know your network. know the topology. if you have a network in place where by design, the majority of the variables are deterministic
Powerconnect Switches: Oversized Packet Counter, bcmRX task
. In a blade chassis implementation some time ago, some concerns were raised on the value of packet counters, and an inquiry on the bcmRX
Setting an Uplink VCP on a Standalone Switch – Juniper EX4200
You can set an uplink VCP on a standalone switch. You must set an uplink port on the standalone switch as a VCP prior to
Hasan Mansur 