[j-nsp] Juniper SRX 3400 Clustering

[Mark Menzies]

The CRM module is just to allow you to have 2 control links.  ALl it is a
long winded way of giving the control plane another interface  We would use
these for resiliency and redundancy on the control plane.

We already have this resiliency in the data plane cos we have more than one
member interface per fab link.

You are right though, it is NOT needed but if the customer needs that level
of redundancy then install it.  We have one customer with the CRM modules
installed in its 3600 clusters.

However please note there was a PR raised last year regarding the firmware
of the module I would suggest finding the PR and upgrading as per the KB
article in it


On 11 May 2011 12:17, Altaf Ahmad <aahmad at bmc.com.sa> wrote:

> Hi Experts,****
>
> ** **
>
> I did configure the clustering of SRX 3400 chassis without installing
> SRX3K-CRM Module and it went successful. Could anyone please let tell me
> that then what is the purpose of CRM? Even in Juniper SRX3400 hardware
> guide I read that this module is necessary for the clustering.  But I am
> achieving the clustering feature without  installing the module. ****
>
> ** **
>
> ** **
>
> Kind Regards,****
>
> ** **
>
> [image: Description: cid:image005.png at 01CBC300.A254E4C0] * Altaf Ahmad** *
> *|** **Senior Solutions Designer*
>
> *                       **CCIE # 28697 (R&S), CCIE SP (Written), CCSP*****
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