How to adjust the DCN NET to maintain the hop number of routes equal or below 20?

chenhui · Created Sep 28, 2021 03:00:01

Hello,
It seems that you are not requesting help.

matahimik · Created Sep 28, 2021 06:57:17

Posted by chenhui at 2021-09-28 03:00 Hello,It seems that you are not requesting help.

Hi Sir, i just want to know How to adjust the DCN NET to maintain the hop number of routes equal or below 20?

liqiang185 · Created Sep 29, 2021 03:41:02

Posted by matahimik at 2021-09-28 06:57 Hi Sir, i just want to know How to adjust the DCN NET to maintain the hop number of routes equal o ...

Dear friend!
You cannot perform this operation on the U2000 or NCE. You can perform this operation only on the Navigator.
Run the commands to set the route distance:cm-set-maxdist
For example:
:cm-set-maxdist:20 # The maximum route distance cannot be set to 0.

Thanks!

matahimik · Created Sep 29, 2021 03:44:46

Posted by liqiang185 at 2021-09-29 03:41 Dear friend!You cannot perform this operation on the U2000 or NCE. You can perform this operation ...

Thank You Sir. Is there impact for this command sir?

liqiang185 · Created Oct 1, 2021 05:04:05

Posted by matahimik at 2021-09-29 03:44 Thank You Sir. Is there impact for this command sir?

After the maximum number of hops is configured, you need to perform a warm reset on the board. After the board works normally, if the ECC distance between an NE and the board is greater than 20 hops, the ECC communication is automatically interrupted. In this way, ECC storms can be avoided.

liqiang185 · Created Oct 1, 2021 05:05:19

Posted by matahimik at 2021-09-29 03:44 Thank You Sir. Is there impact for this command sir?

Hi there！

After the maximum number of hops is configured, you need to perform a warm reset on the board. After the board works normally, if the ECC distance between an NE and the board is greater than 20 hops, the ECC communication is automatically interrupted. In this way, ECC storms can be avoided.

More information：

https://forum.huawei.com/enterprise/en/ecc-storm-troubleshooting-and-preventive-measures/thread/759917-875

How to adjust the DCN NET to maintain the hop number of routes equal or below 20?

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How to adjust the DCN NET to maintain the hop number of routes equal or below 20?

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