ISR4451/K9
Cisco 4451-X Integrated Services Router
| ISR4451/K9 SPECIFICATIONS | ISR4451/K9 SPECIFICATIONS | ||
| Network interface modules (NIM) | 3 | ||
| Maximum switched Ethernet LAN ports with PoE | 48 | Management port | 1 GE (Integated Out of Band) | 
| EtherSwitch Service Module type (width) | 2 single or 1 double | PoE support (wattage) with PoE boost | 950 W (no power supply redundancy) | 
| PoE support (wattage) without PoE boost | 500 W (with optional power supply redundancy) | Integrated Services Card (ISC) slots | 1 (PVDM 4) | 
| Intrusion prevention | Yes | Server virtualization platform (UCS E-Series) | 2-core single-wide, 4-core single-wide, 4-core double-wide, 6-core double-wide, 8-core double-wide | 
| Cisco Cloud Web Security | Yes | Enhanced Services Module (SM-X) | 2 single or 1 double-wide | 
| Form factor | 2 RU | Identity-based networking | No | 
| SSL VPN | No | Zone-based fiewall and NAT services | VRF-Aware Firewall and Network Address Translation (NAT) | 
| Module online insertion and removal (OIR) | Yes | USB Ports (type A) | 2 | 
| Power supply type | Internal; AC, PoE or DC | Integrated WAN ports | 2 PoE GE / SFP; 2 GE / SFP | 
| Maximum switched Ethernet ports | 48 | Default/max DRAM | 4 GB / 16 GB | 
| Hardware VPN acceleration (DES, 3DES, AES) | No | Default/max Flash | 8 GB / 32 GB | 
| Redundant power supply | Yes - Internal RPS | Performance | 1 Gbps upgradeable to 2 Gbps |