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CISCO1921/Cisco 1941 is usually to switch the very well liked Cisco 1841 router. Cisco 1841 has stopped being being offered and might not be reinforced. Cisco 1921, new certification as well as software program, (possibly) much better effectiveness as well as assistance for brand new modules--it dominates your Cisco 1841 and former decades connected with part company wireless routers.
So here let's have an overview with Cisco 1841 in addition to Cisco 1921, to find out the main difference between them. Exactly why 'cisco' 1921 is the foremost replace Cisco 1841 router currently?
CISCO1841-The Current Regular
1RU, 20 inches sheet mountable, one power, 256 Megabytes DRAM in addition to Sixty-four MB inner thumb.
Seventy five,000 PPS (35Mbps w/ 64 byte package dimensions) performance
Twice Quick Ethernet (10/100) slots (RJ45)
2 times HWIC slot machine games (only one FE as well as Whirlpool HWIC may be used each time)
The particular Cisco1841 has a incorporated Virtual private network processor chip regarding IPsec VPN and also the replacement for include the Target greeting card intended for SSL Virtual private network functionality, nevertheless the 1841 doesn't have tone of voice features--it's not well suited for words portal or perhaps get in touch with administrator software. Nonetheless, when you have a Sip trunks footwear and other World-wide-web protocol files association, the actual 1841 does indeed service passing Above boxes through, together with quite strong QoS you prioritized the particular Voice over internet protocol visitors.
CISCO1921-The Next Generation Router
1 RU, 19 inch rackmountable, single power supply, 512 MB DRAM, 256 MB internal flash
15MBPS quoted performance “with services enabled”, likely much faster straight throughput
2x 10/100/1000 Ethernet ports (RJ45)
2 EHWIC slots
The actual Cisco 1921/K9 modem provides bundled IPsec and also SSL VPN assist along with replaced software program, but such as the 'cisco' 1841, this 'cisco' 1921 can not be employed being a Call Manager or even voice entry (but can even now cross World-wide-web protocol packages by way of).
Completely new in addition to Basic Software
The revolutionary hubs now use licence recommendations as well as a common graphic to look for the offered functions, in much the same to be a Pics or ASA. This fresh licensing structure also offers the main advantage of producing a clear department relating to the sort of IOS set up plus the feature set installed, in order to update the actual IOS variation without in contact with the actual feature set part, as well as up grade your set of features on a modem without having pressing your IOS file.
Also, the certification framework may be even more streamlined, currently leaving us all merely Three attributes packages, not one that overlap.
Here are the contents of each available feature package:
IP Base: The default feature set; has support for common routing protocols (RIP, OSPF, EIGRP, BGP), common WAN technologies (MLPPP, MLFR), and common LAN technologies (802.1q trunking). No VPN, firewall, or voice features are present.
Data: The Data license adds support for MPLS, ATM, IS-IS, and non-IP L3 protocols.
Security: The Security feature set adds IPSec VPN capabilities, SSL VPN capabilities, and IOS firewall features.
So Cisco 1921 router is a fantastic device, but with similar limitations to its predecessors-it has only a single power supply and no feature set for voice.
For those that really need the last degree of performance, however, and can live with its limitations it is a good evolutionary step forward from previous generations of small routers.
19-10-2013, 03:19
Geschreven door karenluo87 
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