[j-nsp] srx cluster - control and data link throuigh cisco
pchychi at gmail.com
Wed May 29 21:56:05 EDT 2013
I 2nd this, check your mtu settings end to end, keep in mind the differences between cisco and juniper when it comes to calculating lowest required mtu value
Mismatch mtu tends to have some very odd behaviour on protocols
Network Engineer / Security Specialist
On Wednesday, 29 May, 2013 at 5:57 PM, William McLendon wrote:
> Do you have Jumbo Frames enabled on all paths between the two nodes? There is a required frame MTU that must be supported across the network for connectivity through intermediate switches to work / be supported. Also if i'm not mistaken by default the control plane traffic is tagged with VLAN 4090, however in later versions of code that default behavior may have changed, and I think the VLAN ID it uses is now configurable.
> On May 29, 2013, at 8:42 PM, juniper-nsp-request at puck.nether.net wrote:
> > Subject: [j-nsp] srx cluster - control and data link throuigh cisco
> > nexus switches
> > Message-ID: <51A64466.8070605 at yahoo.fr>
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> > Hi all,
> > I'm currently trying to setup a cluster of srx3400 using a pair of cisco
> > nexus to connect
> > control and data link for redundancy. Junos Version is 11.4r7.
> > Each SRX3400 uses one RE, one CRM, one SPC and one NPC.
> > The first node from the cluster is fine but the second node doesn't come
> > up correctly.
> > The "show chassis fpc pic" indicates that the slot 0, 5 and 6 (RE, NPC
> > and SPC) stay in testing state.
> > The same hardware works correctly when wworking outside of the cluster.
> > Badfully I can't remove the presumably faulty srx3400 from the rack to
> > plug it directly to the node0.
> > Did anyone manage to setup a cluster using nexus to connect control and
> > data link ?
> > I tried junos 12.1 but the cluster was not stable at all (jsrpd and
> > chassisd keeps crashing).
> > thanks.
> juniper-nsp mailing list juniper-nsp at puck.nether.net
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