![](/images/new-backgrounds/1319271/31927119x1.webp)
•Protection against external attacks, internal network protection, traffic monitoring, email filtering, Web filtering, application layer filtering
•ASPF
•Multiple types of VPN services, such as L2TP VPN, GRE VPN, IPsec VPN, and dynamic VPN
•RIP/OSPF/BGP routing, routing policy, and
•Power module 1+1 redundancy backup (AC+AC or DC+DC)
•Multiple types of service interface modules
•High availability functions, such as stateful failover and VRRP
Appearance
Figure 5 Front view
1: MPU slot (Slot 0) | 2: Fan tray slot |
3: Power module slot 1 (PWR1) | 4: PoE power module filler panel (reserved for future |
| PoE support) |
5: Power module slot 2 (PWR2) | 6: Grounding screw and sign |
7: Interface module slots (Slot 1 through Slot 4) |
|
4