Investing in the CISCO2951/K9 means choosing a reliable foundation for small office networking needs that requires secure data, voice, video, and application services. Designed as part of Cisco’s Integrated Services Router Generation 2, this router doesn’t just route traffic but also provides comprehensive security with encryption, firewall, intrusion prevention, and VPN functionalities built-in. It reinforces collaboration through voice and video support, vital for modern communication demands. The scalability factor is another strength, as the router incorporates multiple interfaces and service modules, ensuring that it keeps up with growing business needs without immediate replacement. High service integration delivers cost-saving benefits by reducing physical hardware requirements, power consumption, and managing network complexity leading to lower total cost of ownership. Advanced technologies like Cisco EnergyWise also optimize energy usage, promoting sustainability and reducing operational costs. The Cisco 2951 delivers enterprise-grade quality admired in the Cisco brand, ensuring long-term reliability and vendor support which is invaluable for maintaining a secure, uninterrupted, and efficient network infrastructure in a small office environment.
The Cisco 2951 router, supporting voice module, is designed for small offices.
Quick Specs
Figure 1 shows the appearance of the CISCO2951/k9.
Table 1 shows the Quick Specs of the CISCO2951/k9.
|
Product Code |
CISCO2951/k9 |
|
Rack Units |
2U |
|
Interfaces |
3 integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity |
|
Expansion Slot(s) |
2 service module slot 1 Internal Service Module slot 3 onboard digital signal processor slots 4 Enhanced high-speed WAN interface card (EHWIC) slots |
|
RAM |
512 MB (installed) / 2 GB (max) – DDR2 SDDRAM Memory |
|
Flash Memory |
256 MB (installed) / 8 GB (max) |
|
Dimensions |
47 cm x 43.8 cm x 8.9 cm |
|
Package Weight |
17.82 Kg |
Product Details
Figure 2 shows the front panel of the Cisco 2951 router.
Note:
①AC OK ② On/Off switch ③ AC power connector ④ Optional RPS adapter(blank panel shown) ⑤ LEDs area
Table 2 shows the LEDs area description.
|
LED |
Color |
Description |
|
SYS |
Solid green |
Solid green indicates normal operation. |
|
Blinking green |
System is booting or is in ROM monitor mode. |
|
|
Amber |
System error. |
|
|
Off |
Power is off or system board is faulty. |
|
|
ACT |
Green |
Solid or blinking indicates packet activity between the forwarding and routing engine and any I/O port. |
|
Off |
No packet transfers are occurring. |
|
|
PoE |
Green |
PoE is available. |
|
Amber |
Power supply is not supplying PoE power. |
|
|
RPS |
Green |
System is running on external RPS power supply. |
|
PS |
Green |
System is running. |
|
Amber |
System is not running. |
Figure 3 shows some LEDs on the back panel of the Cisco 2951 router.
Note:
①Compact flash 0 and 1 (0, right) ② ISM ③ PVDM3 0,1 and 2 (0 right) ④ EN (Enable USB console) ⑤ EN (Enable RJ-45 console) ⑥ SFP S ⑦ SFP EN ⑧ S (Speed) ⑨ L (Link)
Table 3 shows the description of these LEDs on the back panel.
|
LED |
Color |
Description |
Location |
|
CompactFlash 1 |
Green |
Flash memory is busy. |
Back Panel |
|
Amber |
Initialized with error. |
||
|
Blinking Green then turns off |
CompactFlash is ready for removal. |
||
|
CompactFlash 0 |
Green |
Flash memory is busy. |
Back Panel |
|
Amber |
Initialized with error. |
||
|
Blinking Green then turns off |
CompactFlash is ready for removal. |
||
|
S (Speed) |
1 blink + pause |
GE port operating at 10Mb/s. |
Back Panel |
|
2 blink + pause |
GE port operating at 100Mb/s. |
||
|
3 blink + pause |
GE port operating at 1000 Mb/s. |
||
|
L (Link) |
Green |
GE link is established. |
Back Panel |
|
Off |
No GE link is established. |
||
|
EN (RJ-45 console port) |
Green |
The RJ-45 console port is active. |
Back Panel |
|
EN (USB serial console port) |
Green |
The USB console port is active. |
Back Panel |
|
ISM |
Green |
Initialized. |
Back Panel |
|
Amber |
Initialized with error. |
||
|
Off |
Not installed. |
||
|
SFP S |
Blinking green |
Blinking frequency indicates port speed. |
Back Panel |
|
SFP EN |
Off |
Not present. |
Back Panel |
|
Green |
Present and enabled. |
||
|
Amber |
Present with failure. |
||
|
PVDM 0, 1 and 2 |
Green |
PVDM is initialized. |
Back Panel |
|
Amber |
PVDM is detected but not initialized. |
||
|
Off |
No PVDM installed. |
Figure 4 show the expansion slots and ports on the back panel.
The Cisco 2951/K9 supports expansion functions with modules and cards.
Note:
①Compact flash 0 and 1 (0, right) ② EHWIC 0,1,2 and 3 (0, far right) ③ USB serial port ④ RJ-45 serial console port ⑤ AUX port ⑥ AUX port
⑦ 10/100/1000 Ethernet port (GE 0/1 and GE 0/2) ⑧ 10/100/1000 Ethernet port GE 0/0 ⑨ Ground ⑩ USB 0 and 1 (1, top) ⑪ Service module slots
Figure 5 show the unboxing view of CISCO2951/K9.
Modules & Licenses
Table 4 shows some recommended models for this router.
|
Models |
Description |
|
SM-ES3G-16-P |
Enhanced EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
|
SM-ES3G-24-P |
Enhanced EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology |
|
VWIC3-2MFT-G703 |
Cisco Voice/WAN Card VWIC3-2MFT-G703 |
|
HWIC-2T |
2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card |
|
EHWIC-1GE-SFP-CU |
Cisco 1900, 2900, 3900 Router EHWIC WAN Card EHWIC-1GE-SFP-CU |
|
EHWIC-4ESG |
Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers |
|
ISM-SRE-300-K9 |
Internal Services Module (ISM) with Services Ready Engine |
|
PVDM3-16 |
16-channel high-density voice DSP module |
|
MEM-CF-256U1GB |
256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
MEM-CF-256U2GB |
256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
MEM-CF-256U512MB |
256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR |
|
MEM-CF-256U4GB |
256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900 |
|
MEMUSB-1024FT |
1GB USB Flash Token |
|
Licenses |
Description |
|
L-SL-29-SEC-K9= |
Cisco 2900 License L-SL-29-SEC-K9 Security E-Delivery PAK for Cisco 2901-2951 |
|
L-SL-29-APP-K9= |
Cisco Application Experience License ISR 2900 Series – includes licenses for: AppX, DATA and WAASX |
|
L-SL-29-SECNPE-K9= |
Cisco 2900 License L-SL-29-SECNPE-K9 SEC No Payload Encryption E PAK for Cisco 2901-2951 |
|
L-SL-29-UC-K9= |
Cisco 2900 License L-SL-29-UC-K9= Unified Communication E-Delivery PAK for Cisco 2901-2951 |
Get more information
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