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-----
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## Updating firmware
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### Q: I have bought WR switch v3.x is it compatible with the latest update of firmware?
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A: You can look at the different version compatibility on the
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[wr-switch-sw:WRS-versions](https://www.ohwr.org/project/wr-switch-sw/wikis)
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page, you will also find which firmware version is the best to use
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according to your hardware.
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??Author: Benoit Rat, [Seven Solutions](www.sevensols.com??)
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### Q: I have some error during the flashing procedure?
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In order to flash the switch you need to install some tools: fakeroot &
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mtd-utils
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Below you can find the typical error when these tools are not installed
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on your
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system:
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../../wr-switch-sw/wr-switch-sw/build/flash-wrs: 313: ../../wr-switch-sw/wr-switch-sw/build/flash-wrs: fakeroot: not found
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/tmp/flash-wrs-1LUUjr/wrsrootfs-script: line 6: mkfs.jffs2: command not found
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cp: cannot stat `/tmp/flash-wrs-1LUUjr/wrs-image.jffs2': No such file or directory
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If you are using the latest ubuntu LTS distribution (12.04) you can
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install the packet by executing in a terminal:
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sudo apt-get install fakeroot mtd-utils
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??Author: Benoit Rat, [Seven
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Solutions](www.sevensols.com??)
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-----
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## General questions
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### Q: Should green and orange LEDs be lit when copper SFP is used even without Ethernet cable plugged in ?
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... | ... | @@ -282,16 +317,6 @@ be used to port OpenFlow and OpenDaylight on it to prove the principle. |
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??Author: Erik van der Bij,
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[CERN](http://cern.ch??)
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### Q: I have bought WR switch v3.x is it compatible with the latest update of firmware?
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A: You can look at the different version compatibility on the
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[wr-switch-sw:WRS-versions](https://www.ohwr.org/project/wr-switch-sw/wikis)
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page, you will also find which firmware version is the best to use
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according to your hardware.
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??Author: Benoit Rat, [Seven
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Solutions](www.sevensols.com??)
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### Q: How fast is the overall performance within the WR switch fpga? Is it really 18\*1Gbps? As an example: When I establish a connection between port1 and port2 with 1 Gb/s is it possible for port3 also to communicate with port4 with 1Gb/s ? Is it still possible for each connection to communicate at full speed?
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A: A good question. It should be and it is meant to be but it's not yet
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