3 Questions to Consider when Choosing Juniper Security SRX Gateways

DL380 Gen10

3 Questions to Consider when Choosing Juniper Security SRX Gateways

Juniper Network company is one of the network hardware manufacturers, which want to bring simplicity to networking with products, solutions, and services that connect the world. So, they produce routers, switches, as well as security, and others.

Juniper Security SRX Gateways are the important series in their security products family. As a big series, there are various sub-series to meet different needs of small to large business. In this article, I am going to introduce the differences of SRX gateways, so that we can know how to choose a right model for our business.

1.How big is our business?

For different scale of business, we should choose the suitable SRX:

(1) If we only want to buy an SRX for a branch or office, we should choose SRX300, SRX320, SRX340, SRX345 and SRX550M.

(2) Want to meet the need of Regional / campus? Try the SRX1500.

(3) SRX4100 and SRX4200 are more suitable for Medium data centers or large enterprises.

(4) Have the High-performance data centers? SRX5400, SRX5600 and SRX5800 are the choices.

(5) The vSRX series is designed for Virtual data centers, public or private cloud.

2.What performance do we need?

These two tables show the performance of different series. We can choose the right one according to our need.

Table 1. The performance of the branch / campus SRX series.

Series SRX300 SRX320 SRX340 SRX345 SRX550M SRX1500
Firewall throughput (large packets) 1 Gbps 1 Gbps 3 Gbps 5 Gbps 8 Gbps 9 Gbps
Firewall throughput (IMIX) 500 Mbps 500 Mbps 1 Gbps 1.7 Gbps 2.5 Gbps 5 Gbps
IPsec VPN 3DES/AES throughput (large packets) 300 Mbps 300 Mbps 600 Mbps 800 Mbps 1 Gbps 1 Gbps
IPS throughput 200 Mbps 200 Mbps 400 Mbps 600 Mbps 800 Mbps 3 Gbps
Antivirus (Sophos AV) throughput 100 Mbps 100 Mbps 150 Mbps 190 Mbps 290 Mbps 1.2 Gbps
Sky Advanced Threat Prevention N/A N/A 180 Mbps 230 Mbps 430 Mbps 1.6 Gbps
Maximum concurrent sessions 64K 64K 256K 375K 375K 2M
Connections/sec 5K 5K 10K 15K 27K 50K

juniper-srx-gateways

Table 2. The performance of the high-end SRX series.

Series SRX4100 SRX4200 SRX5400 SRX5600 SRX5800 vSRX
Firewall throughput (large packets) 40 Gbps 80 Gbps 480 Gbps 960 Gbps 2 Tbps UDP 1514B pkts: VMware: 20 Gbps; KVM: 20 Gbps
Firewall throughput (IMIX) 20 Gbps 40 Gbps 468 Gbps 936 Gbps 2 Tbps VMware: 5.4Gbps KVM:5.4 Gbps
IPsec VPN 3DES/AES throughput (large packets) 5 Gbps 10 Gbps 35 Gbps 100 Gbps 200 Gbps AES+SHA1, VMware: 7 Gbps; KVM: 7Gbps
IPS throughput 8 Gbps 20 Gbps 22 Gbps 50 Gbps 100 Gbps VMware: 5.2 Gbps KVM: 5.2 Gbps
Antivirus (Sophos AV) throughput 3 Gbps 6 Gbps N/A 5.8 Gbps 13.5 Gbps VMware: 1.9 Gbps KVM: 1.9Gbps
Sky Advanced Threat Prevention 4 Gbps 8 Gbps 10 Gbps 28 Gbps 57 Gbps N/A
Maximum concurrent sessions 5M 10M 42M 114M 234M 1M
Connections/sec 175K 350K 420K 1M 2M VMware: 60K; KVM: 60K

3. How much budget do we have?

As the budget is limited, we should consider the price of those Juniper SRX gateways.

I collect some price from some online shop, for reference.

Series Price Range
SRX300 $258.99 – $287.00

(Router-switch.com price: $287.00)

SRX320 $474.00 – $623.38

(Router-switch.com price: $474.00)

SRX340 $948.00 – $1,230.90

(Router-switch.com price: $948.00)

SRX345 $1,136.00 – $2,378.43

(Router-switch.com Price: $1,136.00)

SRX550M $3,837.00 – $4,874.50

(Router-switch.com Price: $3,837.00)

SRX1500 $4,231.00 – $14,794.99

(Router-switch.com Price: $4,231.00)

SRX4100 $23000 – $50000
SRX4200 $27,168.99 – $49,131.41
SRX5400 $225,098.99 – $271,859.99
SRX5600 $53,299.99 – $65,000.00
SRX5800 $54,666.99 – $89,000.00
vSRX No clear

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