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showing posts of March 27th, 2020
 
by lunarg on March 27th 2020, at 14:13
It is possible to convert a QSFP or QSFP+ port to an single SFP or SFP+ port using the Quad to Small Form Factor Pluggable Adapter (QSA). However, in order for this to work, you'll need to configure the QSFP+ port into break-out mode to 4x10Gbps, similar like you would when using actual QSFP to 4xSFP break-out cables.

For OS10, the CLI for this action is:

interface breakout 1/1/7 map 10g-4x

This will break out the interface 1/1/7/ to 4 10Gbps links, which translates to these interfaces on the switch: 1/1/7:1, 1/1/7:2, 1/1/7:3 and 1/1/7:4:

show interface status ------------------------------------------------------------------Port Description Status Spe  ...
by lunarg on March 27th 2020, at 11:52
On a Windows DHCP Server, if you have a lot of DHCP reservations in a particular scope on a server, and you have the need to migrate them to another scope (on the same or another server), you can do so quickly through netsh (a "legacy" command-line tool to perform network configuration on a Windows system).

Fire up a command prompt (or Powershell). First dump, the current scope configuration to a text file:

netsh dhcp server <serverIPAddress> scope <scopeAddress> dump > dump.txt

Note that if you run the command on the server where the originating scope is located, you don't need to specify the IP address/hostname of the server.

Open the text file with your favour  ...
 
showing posts of March 27th, 2020
 
 
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