Overview (CISCO1941-SEC/K9)
CISCO1941-SEC/K9 router is the CISCO1941/K9 router configured with a Security License.
Quick SpecsFigure 1 shows the front view of Cisco Router 1941-SEC/K9.
Table 1 shows the Quick Specs of the CISCO1941-SEC/K9.
Product Code | CISCO1941-SEC/K9 |
Bundle | Cisco 1941 Security Bundle w/SEC license PAK |
Rack Units | 2 RU |
Interfaces | 2 integrated 10/100/1000 Ethernet ports: GE0/0&GE0/1 |
Expansion Slot(s) | 2 enhanced High-Speed WAN Interface Card slots 1 Internal Services Module slot |
RAM | 512 MB (installed) / 2.5 GB (max) |
Flash Memory | 256 MB (installed) / 8 GB (max) |
Dimensions | 34.3 cm x 29.2 cm x 8.9 cm |
Package Weight | 10.48 Kg |
Figure 2 shows the Security License function.
Reference the CISCO1941/K9 to get more product details about the CISCO1941-SEC/K9.
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Contact us viaLive Chat or cisco@router-switch.com.
Product FAQ (CISCO1941-SEC/K9)Q: Can I console 1900 router with USB port?
A: YES, USB console In addition to the RJ-45 Console port, the Cisco 1900 ISRs have a USB 5-pin mini Type-B port. When first connecting to this port, a USB driver must be installed. You will be prompted to install the driver. Simply follow the installation prompts to install the driver.
Q: I want 3 x Cisco 1941 with advanced IOS and 3 x EHWIC 4 Ports WAN, which card is OK?
A: HWIC-4T or EHWIC-4ESG is OK. EHWIC-4ESG is more powerful in your network.
Q: Is load balancing a feature of SEC Router?
A: NO, almost all Routers have this feature.
Q: How to config factory default?
A: Router>en Router#erase start Erasing the nvramfilesystem will remove all configuration files! Continue? [confirm] [OK] Erase of nvram: complete %SYS-7-NV_BLOCK_INIT: Initialized the geometry of nvram Router#reload Proceed with reload? [confirm] %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload Command.
Q: “Router show warning message: Unsupported compact flash detected. Use of this card during normal operation can impact and severely degrade performance of the system.“What does it mean?
A: Means the router and the flash is not adapt. It would reduce the system’s performance.
Q: The router won"t boot at all, the SYS led is off, according to the cisco documentation the system board is faulty.
A: With the power switch on and the SYS LED off, does the fan operate? –If yes, the router is receiving power. The fan is connected directly to the DC outputs of the power supply. –If no, check the power source and power cable.
Q. If I purchased a Cisco ISR G2 router on Cisco IOS Software Release 15.0(1) M before the limitation was imposed, what should I do? And should I need to upgrade my Cisco IOS Software?
A: Assuming that you already have purchased the securityk9 package for encryption, you must purchase a HSEC-K9 license as a spare.
Q.Why do I need to purchase the SEC-K9 license as a spare?
A. If you purchase a Cisco ISR G2 chassis and later decide to turn on security features, you must buy a SEC-K9 license. The administrator must download the license to the router and follow the license installation instructions that come with the license to be able to use the security features on the router. The more SEC-K9 licenses for Cisco 1900 routers, you can visit: Cisco 1900 Routers
Q. On the Cisco ISR G2 routers with the SEC-K9 license, what tunnel count and performance throughput are available?
A. 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. The more detailed Cisco 1900 Licenses you can click here, e.g. L-SL-19-SEC-K9=, SL-19-SEC-K9,L-SL-19-DATA-K9=, SL-19-DATA-K9
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Cisco
思科（全称：思科系统公司，Cisco Systems, Inc），是一家网络解决方案供应公司，于1984年成立，总部位于美国加州。 1998年9月，思科系统网络技术有限公司中国分部成立，并在北京建立网络技术实验室。2013年，思科收购以色列网络优化软件厂商Intucell。2018年，位列2018年度《世界品牌500强》排行榜第15位。
SEC
正割（Secant，sec）是三角函数的一种，和余弦函数互为倒数。其定义域不是整个实数集，值域是绝对值大于等于一的实数。正割属于周期函数，最小正周期为2π，是三角函数的正函数（正弦、正切、正割、正矢）之一，所以在2kπ到2kπ+π/2的区间之间，函数是递增的。在单位圆上，正割函数位于割线上，因此将此函数命名为正割函数。
相关问答
思科CISCO1941
CISCO 1941/K9 配置方面很强悍配置参数路由器类型： 多业务路由器传输速率： 10/100/1000MbpsQos支持： 支持VPN支持： 支持局域网接口： 2个广域网接口： 暂无数据产品内存： DRAM内存：512MB FLASH内存参考资料：http://detail.
cisco 1921
Cisco1921/K9 Cisco 1921，带有2个板载 GE、2个EHWIC插槽、256MB USB闪存（内部）、512MB DRAM、IP Base许可证Cisco1921-SEC/K9 Cisco 1921，带有2个板载 GE、2个EHWIC插槽、256MB USB闪存（内部）、512MB DRAM、SEC特性许可证Cisco1921-T1SEC/K9 Cisco 1921 SEC T1捆绑，带有HWIC-1DSU-T1、256F/512D、IOS SEC许可证CISCO1921-ADSL2/K9 Cisco 1921 ADSL2+捆绑，带有HWIC-1ADSL、256F/512D、IP Base许可证C1921-ADSL2-M/K9 Cisco 1921 ADSL2+ Annex M捆绑，带有HWIC-1ADSL-M、256F/512D、IP Base许可证C1921-4SHDSL/K9 Cisco 1921 4对G.SHDSL捆绑，带有HWIC-4SHDSL、256F/512D、IP Base许可证
