Lượt truy cập:
4135400
Trực tuyến: 13
CISCO 1900 2900 3900 Series
CISCO2901/K9
2951 2921 2911 2901
Form Factor
2 RU
2 RU
2 RU
1 RU
Integrated WAN Ports
3 Gigabit Ethernet
(1 SFP)
3 Gigabit Ethernet
(1 SFP)
3 Gigabit Ethernet
2 Gigabit Ethernet
Interface Slots (EHWIC)
4
4
4
4
Service Module Slots
2
1
1
0
ISM Slots
1
1
1
1
PVDM Slots
3
3
2
2
USB Ports (v2.0)
2
2
2
2
Default/Max Flash
256 MB/ 4 GB
256 MB/ 4 GB
256 MB/ 4 GB
256 MB/ 4 GB
Default/Max SDRAM
512 MB/ 4 GB*
512 MB/ 2.5 GB
512 MB/ 2.5 GB
512 MB/ 2.5 GB
Modular LAN Switchports (with Optional POE)
50**
50**
24**
16
Advanced Security Enabled via security license for the Universal IOS image. IPS and content filtering need additional subscription licenses.
Stateful Firewall
Yes
Yes
Yes
Yes
Onboard Hardware VPN Acceleration (DES, 3DES, AES)
Yes
Yes
Yes
Yes
Intrusion Prevention
Yes
Yes
Yes
Yes
Content Filtering
Yes
Yes
Yes
Yes
Unified Communications Enabled via Unified Communications license for the Universal IOS image. CCME/SRST support are available through separate feature licenses.
Local Conferencing
Yes; use PVDM3
Yes; use PVDM3
Yes; use PVDM3
Yes; use PVDM3
Voice Digital Signal Processor Support
PVDM3 and PVDM2
PVDM3 and PVDM2
PVDM3 and PVDM2
PVDM3 and PVDM2
Survivable Site Telephony Support
Up to 250
Up to 100
Up to 50
Up to 35
Cisco CallManager Express Support
Up to 150
Up to 100
Up to 50
Up to 35
Cisco Unity Express (NM, SM, or ISM)
32 ports; 300 mailboxes
32 ports; 300 mailboxes
32 ports; 300 mailboxes
10 ports; 100 mailboxes
SIP Sessions
600
400
200
100
Digital Voice Support
Up to 400
Up to 240
Up to 150
Up to 100
Maximum Voice Support for Analog/BRI
FXS 64, FXO 40, BRI 24
FXS 40, FXO 28, BRI 16
FXS 40, FXO 28, BRI 16
FXS 16, FXO 16, BRI 8
Cisco 2900 Series Integrated Services Routers Data Sheet
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