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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 & not left to chance, the task gets a lot simpler....
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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 be a hardware issue. the previous MXL firmware version, specifically version...
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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 configuration details for setting these up as Data and iSCSI fabrics,...
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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 fabric is isolated, or inter-connects to...
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Switch Port auto shuts/ port shuts itself down – Troubleshooting
. Following is a list of vectors that may assist in troubleshooting issues where the port behavior look like it is shutting itself down. Cable/ Power Management. A link light does not guarantee that...
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Layer 2 Discards Troubleshooting – RX TX Discards
. The following list of questions/vectors can assist in troubleshooting Layer 2 discard issues. They have been of help to me in the past on more than one occasion. What Switches/Models? What firmware...
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Force10 DCB Configuration – S4810 + MXL Sample / Example
. First, some background on DCB itself. DCB is an extension to Ethernet that enables the dedication of resources in the converged network. To ensure lossless delivery and latency-sensitive scheduling...
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Flow Control – Pause Frames
. When an Ethernet device gets over loaded, flow control allows it to send PAUSE requests to the devices sending it data to allow the over loaded condition to clear. If flow control is not enabled...
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VLT, Peer Routing and Routed VLT – Dell Networking
Core Config Options: First Hop/Gateway Redundancy: VRRP: Same Switch hosts VRRP and STP Master-ship for deterministic forwarding @ L2/L3 and eliminate suboptimal forwarding path. In a non-VLT domain,...
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