On 09.03.2011 21:47, Stefan Fouant wrote:
What Ben is saying is that you it is simply not necessary to configure the
AE interface when doing this on a Clustered device. Basically, when you are
doing clustering, you simply add multiple ports from the same node to a RETH
interface and this bonds them together to create your Link Aggregation
Group. To answer your question, load-balancing should happen by default
amongst all the ports in the RETH on the Active node. BTW, I've only done
this on the High End SRX platforms... I'm not sure if this support exists on
the SRX 650. So you may want to check with your account rep or do some
digging to determine if this support is provided on the Branch SRX devices.
No, LAGs are not supported in cluster mode for branch SRX.
http://www.juniper.net/techpubs/software/junos-security/junos-security10.4/junos-srx-jseries-support-reference/jd0e3251.html
Though, to be honest, I don't really believe it's much needed for the
low-end. At least I am sure it is not in most cases. SRX650's
preformance is 2,5Gig for IMIX. In case you don't use a
router-on-a-stick topology, two 1-gig reths is something close to this.
I bet most deployments of such a box allow splitting VLANs into several
physical reths.
In case you really have all the 2,5 gigs coming, say, from the Inet to
one internal VLAN and you have no way to split this load somehow using
more interfaces in the routing scheme, well… 10GE card, which is
available for SRX650, is your friend. However it's more likely, that you
need more powerful gear for this. This is not the case for most of the
deployments of SRX branch, at lease of those I've seen.
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