Gig Throughput on IPSEC
truman at suspicious.org
Thu Nov 12 03:56:19 UTC 2009
On 12/11/2009, at 5:45 AM, Brad Fleming wrote:
> On Nov 11, 2009, at 3:25 AM, adel at baklawasecrets.com wrote:
>> I have a requirement to encrypt data using IPSEC over a p-t-p gig
>> link. In the past I've normally used Juniper to terminate VPNs, as I
>> have found them excellent devices and the route based VPN
>> very useful. However looking at their range, only the ISG will do
>> a gig
>> of IPSEC. I'm leaning towards keeping my exising Juniper SSG550's
>> firewall/routing capability at each site. Then having a separate
>> encryption devices to handle the site-to-site vpn requiring the gig
>> throughput. Does anyone have any suggestions on devices to use?
> Not knowing all your other needs, I won't swear to it... but would
> the Juniper SRX650 work for your situation? It can pass 1.5Gbps of
> encrypted traffic according to their datasheet. I've never actually
> tried to move that much data through the box so I can't testify to it.
> Also, the Juniper SRX3400 is advertised as handling 6Gbps of
> encrypted traffic.
> Of course, these are JunosES devices as opposed to ScreenOS, but the
> transition isn't as painful as you might expect. We actually use the
> J-series devices with JunosES as site routers/firewalls with a great
> deal of success.
The usual caveats apply: packet size, packets per second, etc; but
with an SRX 3400/3600 you can scale up the performance of IPSEC VPN
throughput with additional SPCs. You should be able to scale to over
6Gbps of IPSEC with enough SPCs.
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