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3 integrated 10/100/1000 Ethernet ports (RJ-45 only)
2 service module slot
4 Enhanced high-speed WAN interface card (EHWIC) slots
3 onboard digital signal processor slots1 Internal Service Module slot for application services
Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
Embedded hardware-accelerated VPN encryption for communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN
Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering
Router Cisco 2900 Series Integrated Services Routers Other:
CISCO2901-SEC/K9 | Cisco 2901 Security Bundle w/SEC license PAK |
CISCO2901-V/K9 | Cisco 2901 Voice Bundle, PVDM3-16, UC License PAK |
C2901-VSEC/K9 | Cisco 2901 Voice Sec. Bundle, PVDM3-16, UC and SEC License PAK |
C2901-CME-SRST/K9 | Cisco 2901 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC License PAK |
C2901-VSEC-SRE/K9 | Cisco 2901 SRE Bundle, SRE 300, PVDM3-16, UC, SEC Lic. PAK |
CISCO2911-V/K9 | Cisco 2911 Voice Bundle, PVDM3-16, UC License PAK |
C2911-VSEC/K9 | Cisco 2911 Voice Sec. Bundle, PVDM3-16, UC and SEC License PAK |
C2911-CME-SRST/K9 | Cisco 2911 Voice Bundle w/ PVDM3-16,FL-CME-SRST-25, UC License PAK |
C2911-VSEC-SRE/K9 | Cisco 2911 SRE Bundle, SRE 300, PVDM3-16, UC, SEC Lic. PAK |
CISCO2921-V/K9 | Cisco 2921 Voice Bundle, PVDM3-32, UC License PAK |
C2921-VSEC/K9 | Cisco 2921 Voice Sec. Bundle, PVDM3-32, UC and SEC License PAK |
C2921-CME-SRST/K9 | Cisco 2921 Voice Bundle w/ PVDM3-32,FL-CME-SRST-25, UC License PAK |
C2921-VSEC-SRE/K9 | Cisco 2921 SRE Bundle, SRE 700, PVDM3-16, UC, SEC Lic. PAK |
Manufacturer | Cisco |
Manufacturer Part Number | CISCO2921/K9 |
Product Type | Router |
Form Factor | External - modular - 2U |
DRAM Memory | 512 MB (installed) / 2 GB (max) |
Flash Memory | 256 MB (installed) / 8 GB (max) |
Routing Protocol | OSPF, IS-IS, BGP, EIGRP, DVMRP, PIM-SM, IGMPv3, GRE, PIM-SSM, static IPv4 routing, static IPv6 routing |
Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
Remote Management Protocol | SNMP, RMON |
Features | Cisco IOS IP Base , MPLS support, Syslog support, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED) |
Compliant Standards | IEEE 802.1Q, IEEE 802.3af, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag |
Power | AC 120/230 V ( 50/60 Hz ) |