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Model: CISCO2921-SEC/K9 Cisco 2921 Security Bundle Router ISR G2
Detail: Cisco 2921 Security Bundle w/SEC license PAK
List Price: US$6,050.00
Price: $2,541.00
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CISCO2921-SEC/K9 SMARTnet Service Tool.

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Overview (CISCO2921-SEC/K9)

Cisco 2921 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices. CISCO2921-SEC/K9 is almost the same as CISCO2921/K9, except that it offers Security bundle.

Quick Specs

Figure 1 shows the front view of CISCO2921-SEC/K9.


Table 1 shows the Quick Specs of the CISCO2921-SEC/K9.

Product Code



Security Bundle w/SEC license PAK

Rack Units



3 integrated 10/100/1000 Ethernet ports (RJ-45 only)

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


512 MB (installed) / 2 GB (max)

Flash Memory

256 MB (installed) / 8 GB (max)


47 cm x 43.8 cm x 8.9 cm

Package Weight

18.93 Kg

Product Details

Figure 2 shows the ports on the back panel of CISCO2921-SEC/K9

CISCO2921-SEC/K9 Back Ports


EHWIC slots 0,1,2, and 3 (0, Far right)

CompactFlash 0 and 1 (0, Right)

USB serial console port

Service module slots SM1 and SM2 (1, Right on 2951), (1, left on 2921)

AUX port

RJ-45 serial console port


USB0 and USB1 (1, Top)

10/100/1000 Ethernet ports (GE 0/1 and GE 0/2 
(GE 0/2, Top)


10/100/1000 Ethernet port GE 0/0

Figure 3 shows the LEDs on the back panel of CISCO2921-SEC/K9.

CISCO2921-SEC/K9 Back LEDs


CompactFlash 0 and 1 (0, Right)




PVDM3 0,1, and 2 (0, Right)

S (Speed)

EN (Enable USB console)

L (Link)

EN (Enable RJ-45 console)

The Modules and Cards

Table 2 shows some recommended modules and cards for this router.




Enhanced EtherSwitch Service Module, L2/L3 switching, 16* 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology


Enhanced EtherSwitch Service Module, L2/L3 switching, 24 * 10/100/1000 GE ports, Enhanced POE, Cisco EnergyWise technology


Cisco Voice/WAN Card VWIC3-2MFT-G703


2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card


Cisco 1900, 2900, 3900 Router EHWIC WAN Card EHWIC-1GE-SFP-CU


Four port 10/100/1000 Base-TXGigabit Ethernet switch interface card for Cisco1900 2900 3900Routers


Internal Services Module (ISM) with Services Ready Engine


16-channel high-density voice DSP module


256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900


256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900


256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR


256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900


1GB USB Flash Token

Compare to Similar Items

Table 3 shows the comparison between CISCO2921-SEC/K9 and CISCO2921/K9.





3 integrated 10/100/1000 Ethernet ports (RJ-45 only)

3 integrated 10/100/1000 Ethernet ports (RJ-45 only)


512 MB (installed) / 2 GB (max)

512 MB (installed) / 2 GB (max)


256 MB (installed) / 8 GB (max)

256 MB (installed) / 8 GB (max)


Security Bundle w/SEC license PAK


Get More Information

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Specification (CISCO2921-SEC/K9)

CISCO2921-SEC/K9 Specification


Cisco Systems, Inc

Manufacturer Part Number


Product Type


Form Factor

External - modular - 2U

Dimensions (WxDxH)

47 cm x 43.8 cm x 8.9 cm


13.2 kg

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

Network / Transport Protocol


Remote Management Protocol



Firewall protection, VPN support, MPLS support, Syslog support, content filtering, IPv6 support, Class-Based Weighted Fair Queuing (CBWFQ), Weighted Random Early Detection (WRED), Dynamic Multipoint VPN (DMVPN)

Compliant Standards

IEEE 802.1Q, IEEE 802.3af, IEEE 802.3ah, IEEE 802.1ah, IEEE 802.1ag


AC 120/230 V ( 50/60 Hz )


SMARTnet Support Quick Guide

Cisco SMARTnet Overview - Cisco SMARTnet Service Codes - Cisco SMARTnet Types
Cisco SMARTnet F.A.Q

CISCO2921-SEC/K9 SMARTnet Service Tool

Product Name Detail Price
CON-3SNT-2921SEC 3YR SNTC 8X5XNBD Cisco 2921 Security Inquiry
CON-3SNTP-2921SEC 3YR SNTC 24X7X4 Cisco 2921 Security Inquiry
CON-3OSP-2921SEC 3YR SNTC 24X7X4OS Cisco 2921 Security Inquiry
CON-SNT-2921SEC SNTC-8X5XNBD Cisco 2921 Security Inquiry
CON-SNTE-2921SEC SNTC-8X5X4 Cisco 2921 Security Inquiry
CON-SNTP-2921SEC SNTC-24X7X4 Cisco 2921 Security Inquiry
CON-OS-2921SEC SNTC-8X5XNBDOS Cisco 2921 Security Inquiry
CON-OSE-2921SEC SNTC-8X5X4OS Cisco 2921 Security Inquiry
CON-OSP-2921SEC SNTC-24X7X4OS Cisco 2921 Security Inquiry
CON-ECMU-2921SEC SWSS UPGRADES Cisco 2921 Security Bundle w/SEC license PAK Inquiry
CON-NCD2-2921SEC CMB SVC 24X7X2 NCD2 Cisco 2921 Security Inquiry
CON-NCD2P-2921SEC CMBSV 24X7X2OS NCD2P Cisco 2921 Security Inquiry
CON-NCD4P-2921SEC CMBSV 24X7X4OS NCD4P Cisco 2921 Security Inquiry
CON-NCD4S-2921SEC CMB SV 8X5X4OS NCD4S Cisco 2921 Security Inquiry
CON-NCDAU-2921SEC CMB SVC SAU NCDAU Cisco 2921 Security Inquiry
CON-NCDCS-2921SEC CBSV 8X5XNBDOS NCDCS Cisco 2921 Security Inquiry
CON-NCDE-2921SEC CMB SVC 8X5X4 NCDE Cisco 2921 Security Inquiry
CON-NCDP-2921SEC CMB SVC 24X7X4 NCDP Cisco 2921 Security Inquiry
CON-NCDS1-2921SEC CMBSVC 8X5XNBD NCDS1 Cisco 2921 Security Inquiry
CON-NCDS3-2921SEC CMB SVC 24X7X4 NCDS3 Cisco 2921 Security Inquiry
CON-NCDSO-2921SEC CMBSV 24X7X4OS NCDSO Cisco 2921 Security Inquiry
CON-NCDT-2921SEC CMBSVC 8X5XNBD NCDT Cisco 2921 Security Inquiry
CON-NCDW-2921SEC CMB SPT SVC SW NCDW Cisco 2921 Security Inquiry
CON-NCF2-2921SEC CMB SVC 24X7X2 Cisco 2921 Security Inquiry
CON-NCF2P-2921SEC CMB SVC 24X7X2OS Cisco 2921 Security Inquiry
CON-NCF4P-2921SEC CMB SVC 24X7X4OS Cisco 2921 Security Inquiry
CON-NCF4S-2921SEC CMB SVC 8X5X4OS Cisco 2921 Security Inquiry
CON-NCFAU-2921SEC CMB SVC SAU + UPGR Cisco 2921 Security Inquiry
CON-NCFCS-2921SEC CMB SVC 8X5XNBDOS Cisco 2921 Security Inquiry
CON-NCFE-2921SEC CMB SVC 8X5X4 Cisco 2921 Security Inquiry
CON-NCFP-2921SEC CMB SVC 24X7X4 Cisco 2921 Security Inquiry
CON-NCFS1-2921SEC CMB SVC SU1 8X5XNBD Cisco 2921 Security Inquiry
CON-NCFS3-2921SEC CMB SVC SU3 24X7X4 Cisco 2921 Security Inquiry
CON-NCFSO-2921SEC CMBSVC SUO3 24X7X4OS Cisco 2921 Security Inquiry
CON-NCFT-2921SEC CMB SVC 8X5XNBD Cisco 2921 Security Inquiry
CON-NCFW-2921SEC CMB SVC SW Cisco 2921 Security Inquiry
CON-NCH2-2921SEC CMB SVC 24X7X2 NCH2 Cisco 2921 Security Inquiry
CON-NCH2P-2921SEC CMBSV 24X7X2OS NCH2P Cisco 2921 Security Inquiry
CON-NCH4P-2921SEC CMBSV 24X7X4OS NCH4P Cisco 2921 Security Inquiry
CON-NCH4S-2921SEC CMB SV 8X5X4OS NCH4S Cisco 2921 Security Inquiry
CON-NCHAU-2921SEC CMB SVC SAU NCHAU Cisco 2921 Security Inquiry
CON-NCHCS-2921SEC CBSV 8X5XNBDOS NCHCS Cisco 2921 Security Inquiry
CON-NCHE-2921SEC CMB SVC 8X5X4 NCHE Cisco 2921 Security Inquiry
CON-NCHP-2921SEC CMB SVC 24X7X4 NCHP Cisco 2921 Security Inquiry
CON-NCHT-2921SEC CMBSVC 8X5XNBD NCHT Cisco 2921 Security Inquiry
CON-NCHW-2921SEC CMB SPT SVC SW NCHW Cisco 2921 Security Inquiry
CON-NCJ2-2921SEC CMB SVC 24X7X2 NCJ2 Cisco 2921 Security Inquiry
CON-NCJ2P-2921SEC CMBSV 24X7X2OS NCJ2P Cisco 2921 Security Inquiry
CON-NCJ4S-2921SEC CMB SV 8X5X4OS NCJ4S Cisco 2921 Security Inquiry
CON-NCJAU-2921SEC CMB SVC SAU NCJAU Cisco 2921 Security Inquiry
CON-NCJCS-2921SEC CBSV 8X5XNBDOS NCJCS Cisco 2921 Security Inquiry
CON-NCJE-2921SEC CMB SVC 8X5X4 NCJE Cisco 2921 Security Inquiry
CON-NCJT-2921SEC CMBSVC 8X5XNBD NCJT Cisco 2921 Security Inquiry
CON-NCJW-2921SEC CMB SPT SVC SW NCJW Cisco 2921 Security Inquiry
CON-PREM-2921SEC SNTC-24X7X2OS Cisco 2921 Security Inquiry
CON-S2P-2921SEC SNTC-24X7X2 Cisco 2921 Security Inquiry
CON-SAU-2921SEC SW APP SUPP + UPGR Cisco 2921 Security Inquiry
CON-SSC2P-2921SEC SOLN SUPP 24X7X2OS Cisco 2921 Security Bundle w/SEC license Inquiry
CON-SSCS-2921SEC SOLN SUPP 8X5XNBDOS Cisco 2921 Security Bundle w/SEC license Inquiry
CON-SSS2P-2921SEC SOLN SUPP 24X7X2 Cisco 2921 Security Bundle w/SEC license PA Inquiry
CON-SSSAU-2921SEC SOLN SUPP SAU Cisco 2921 Security Inquiry
CON-SSSNE-2921SEC SOLN SUPP 8X5X4 Cisco 2921 Security Bundle w/SEC license PAK Inquiry
CON-SSSNP-2921SEC Cisco 2921 Security Bundle w SEC license PAK Inquiry
CON-SSSNT-2921SEC SOLN SUPP 8X5XNBD Cisco 2921 Security Bundle w/SEC license P Inquiry
CON-SU1-2921SEC IPS SVC. AR NBD Cisco 2921 Security Inquiry
CON-SU2-2921SEC IPS SVC. AR 8X5X4 Cisco 2921 Security Inquiry
CON-SU3-2921SEC IPS SVC. AR 24X7X4 Cisco 2921 Security Inquiry
CON-SU4-2921SEC IPS SVC. AR 24X7X2 Cisco 2921 Security Inquiry
CON-SUO1-2921SEC IPS SVC. ONSITE NBD Cisco 2921 Security Inquiry
CON-SUO2-2921SEC IPS SVC.ONSITE 8X5X4 Cisco 2921 Security Inquiry
CON-SUO3-2921SEC IPS SVC.ONSITE24X7X4 Cisco 2921 Security Inquiry
CON-SUO4-2921SEC IPS SVC.ONSITE24X7X2 Cisco 2921 Security Inquiry
CON-SW-2921SEC SMARTNET NO RMA Cisco 2921 Security Inquiry

Faq (CISCO2921-SEC/K9)

Does it support multicore processor?

Yes, all Cisco 2900 series model support multicore processor.

Does CISCO2921-SEC/K9 have integrated SFP slots?

Yes, Cisco 2921 and 2951 have one integrated SFP slots.

Does CISCO2921-SEC/K9 support USB console?

Yes, all Cisco 2900 series model support USB console.

Does it support Multigigabit fabric?

Yes, multigigabit fabric is supported in all Cisco 2900 series routers.

Can I must purchase the PVDM to get the voice function?

Yes. Cisco 2900 series need to installed PVDM and related license to get the voice function.

On the Cisco ISR G2 routers with the SEC-K9 license, what tunnel count and performance throughput are available?

The SEC-K9 permanent licenses apply to the Cisco 1900, 2900, and 3900 ISR G2 platforms; these licenses limit all encrypted tunnel counts to 225 tunnels maximum for IP Security (IPsec), Secure Sockets Layer VPN (SSL VPN), a secure time-division multiplexing (TDM) gateway, and secure Cisco Unified Border Element (CUBE) and 1000 tunnels for Transport Layer Security (TLS) sessions. The SEC-K9 license limits encrypted throughput to less than or equal to 85-Mbps unidirectional traffic in or out of the ISR G2 router, with a bidirectional total of 170 Mbps. This requirement applies for the Cisco 1900, 2900, and 3900 ISR G2 platforms.

What is the exact HSEC-k9 license?

The HSEC-K9 license removes the curtailment enforced by the U.S. government export restrictions on the encrypted tunnel count and encrypted throughput. HSEC-K9 is available only on the Cisco 2921, Cisco 2951, Cisco 3925, Cisco 3945, Cisco 3925E, and Cisco 3945E. With the HSEC-K9 license, the ISRG2 router can go over the curtailment limit of 225 tunnels maximum for IP Security (IPsec) and encrypted throughput of 85-Mbps unidirectional traffic in or out of the ISR G2 router, with a bidirectional total of 170 Mbps. The Cisco 1941, 2901, and 2911 already have maximum encryption capacities within export limits.

What countries are classified license-free zones?

Countries belonging to the EU license-free zone include Australia, Austria, Belgium, Bulgaria, Canada, Cypress, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Japan, Latvia, Lithuania, Luxembourg, Malta, Netherlands, New Zealand, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Kingdom, and the United States.

We have installed a 60 day license for the security k9. The Cisco 2900 router we got. And we are trying to set up a client to site vpn on this and it still does not recognize the ipsec and isakmp commands. Is there a command I need to do to now enable ipsec and isakmp?

Make sure your Cisco 2900 took the license, issue 'show license' and verify. Show license shows that it is in there and active. I rebooted and it still throws an error whenever i issue crypto ipsec or crypto isakmp Here is your problem: from "show license" License State: Active, Not in Use, EULA accepted "not in use" is the key. Try using "license modify priority securityk9 high" or the config command "license boot module c2900 tech securityk9" to make this feature in use, rather than not in use.

We know the ISR2 series included VPN hardware acceleration but there is a "HSEC" which included an "advanced" encryption card. We are just trying to get my head around it. Is the HSEC bundle really needed over the standard SEC bundle? Now we need to support a 50meg Internet connection with 4 Site-to-Site VPNs and use of the firewall, NAT and QOS on each router. We are looking at the Cisco2921-SEC/K9 bundle. Does this sound about right?

If your internet link is 50mb, then a 2921 (non-HSEC) can handle the encryption/decryption. The standard SEC license comes with a software-based rate limiter of 85 Mbps each way. If the protocol does not handle loss/retransmissions very well, throughput can easily plummet. Testing in a lab environment with two Cisco 2921s, I saw speeds drop to 25 Mbps. Also info on the HSEC license can be found here in regards to what it is and what t does for you. It allows for addition through for encrypted traffic NASA higher number of VPN tunnels.

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Customer Reviews

4.9 5
4.9 (8 reviews)
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Share your thoughts with other customers?

Posted on 5/29/2017
Verified Buyer

Has been concerned about you for a long time, absolutely a reliable business partner.

Posted on 1/18/2017
Verified Buyer

My friend suggests me to buy this router for my company to share Internet, it��s really very good. I will buy again here if I need!

Posted on 4/6/2016
Verified Buyer
CISCO2921-SEC/K9-standard SEC license

The standard SEC license comes with a software-based rate limiter of 85 Mbps each way.

Posted on 11/27/2014
Verified Buyer


Posted on 9/26/2013
Verified Buyer
Cisco 2921 review

There is no reason to say any bad words, we have purchased much Cisco hardware from here, and never have any issues except some configuration problems. This time, this Cisco 2921 k9, I’d like to give 5 stars again.

Posted on 8/22/2013
Verified Buyer

After-sale services are well. Shipping was rather quick. Price is ok. The more important, genuine.

Posted on 8/21/2013
Verified Buyer

great at communication. I received all my order of Cisco 2921 and tracking numbers online. satisfied with their service.

Posted on 7/25/2011
Verified Buyer
network router


I'm new to networking, it would be great if someone brief what is the difference between Layer 3 switch and Router ? Both does routing, what are the other functions of router (other than routing)?

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