[j-nsp] SRX cluster and route failover
Nick Ryce
nick at fluency.net.uk
Mon Feb 18 03:44:04 EST 2013
Hi Mark,
Maybe something like
http://kb.juniper.net/InfoCenter/index?page=content&id=KB22052&pmv=print
is what you are looking for?
Nick
On 18/02/2013 13:34, "Mark Menzies" <mark at deimark.net> wrote:
>Hi all
>
>I hope someone here can help.
>
>I have an SRX cluster with 3 reth interfaces, 2 for WAN and one for LAN.
>
>I want to have static routes used to send traffic over the primary WAN
>reth
>when the next hop is available and then fail over to the secondary WAN.
>
>We have some restraints here.
>
>* We cannot use dynamic routing, the 3rd party devices we are connecting
>to wont use dynamic routing, so we are left with static routes.
>
>* We cannot use BFD as the 3rd party next hops are not managed by us, nor
>can we get them to implement BFD
>
>* We have multiple logical interfaces on the primary WAN reth and we dont
>want to fail over the entire the reth, just the specific static route for
>the specific customer that has failed.
>
>* We have asked for pingable hosts from each customer from which we are
>going to base our testing of the next hop.
>
>
>I have looked at using event scripts and also ip-monitoring. I am looking
>for any guidance or experience in doing this for customers and any likely
>gotchas or things to look out for.
>
>I have found KB25052 which does tend to imply that ip-moniting using RPMs
>should do the deed and allow me to set a new route for a specific
>destination so this seems to fit the bill and a quick test seems to
>confirm
>that. However would I benefit from any junoscript stuff?
>
>Does anyone have any experiences or comments on above mechanisms?
>
>Thanks in advance
>
>
>Mark
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