This article shows the overview of 1900 router and the comparison of 1921, 1941 and 1941W. i have cisco 2901 router and PPPOE internet on a fiber connection i managed to reach a speed of 270 mbps in internet speed test after TCP adjust-mms comand, but my internet speed is350 mbps, what do i have to do to optimize the speed and get more then 270 mbps. I know the throughput ranges from 100 to 200mbps depending on license applied; my device is an ISR 4331, and the IOS is: isr4300-universalk9. By offering four platforms: the Cisco 2901, 2911, 2921, and 2951 routers, Cisco 2900 series router builds on the previous Cisco 2800 Series Integrated Services Routers (It was already end of life and end of sale. With the 1921/K9, though, the throughput goes only up to 180Mbps and it's kind of disturbing, because I do not intend to use only 20% of my bandwidth, especially with the devices listed above as part of my LAN. Cisco 1905, Cisco 1921 Power Over Ethernet Power Supply: CISCO1941/K9 Routers DRAM. Does the router show symptoms of high CPU utilization at brief and. After looking at specs and reviewing. For testing we used also C1812. Cisco 2900 Series Integrated Services Routers. With a FortiWiFi 60E, or with a FirtiGate 60E as the main router, the throughput to LAN reaches 1Gbps. e. Cisco's recommendations are conservative, to insure the recommend router's performance doesn't disappoint, but real world often doesn't load links to 100% all the time, or use as many IOS features. The ISDN HWIC is supported on the Cisco 1841, 1941, 2800, 2900, 3800 and 3900 Series Routers. Cisco 2901, 2911, 2921, and 2951. For flexibility the EHWIC-1GE-SFP-CU includes 1 SFP slot and a copper RJ-45 port. Cisco 4321. The Cisco Fast Ethernet HWICs are single-wide interface cards, available as a 1-port HWIC (HWIC-1FE) and as a 2-port HWIC (HWIC-2FE), that provide Cisco modular and integrated services routers with additional line-rate Layer 3 routed ports. Webinars & Videos. With a FortiWiFi 60E, or with a FirtiGate 60E as the main router, the throughput to LAN reaches 1Gbps. If your overruns are due to transient bursting, and they are input queue drops, adjusting your configuration might decrease such drops. 0. The results were quite surprising for us, as the C1812 appeared to be more efficient than C2811. There's a bunch of conditions to obtain the 2. The actual data speed. 2- Rate limiting on a 3750 base on the port to 2 Meg limit. Chapter Title. Throughput. Product Description. En el siguiente link puedes observar que en referencia a la WAN alcanza hasta un throughput máximo de 10 Mbps y cuanta con dos puertos LAN 10/100/1000. The new Cisco 900 series Integrated Services Routers are the SOHO routers that offer unmatched throughput levels. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the EoL bulletin. • A single Cisco IOS Software Universal image is installed on each Cisco ISR G2. Table 4. What is an HSEC license? A. Cisco 1921 vs 1941 for SOHO use with SEC license . attn. Service providers offering both managed Ethernet and. So what are the main differences between the following routers: Cisco 2901, Cisco 1941 and Cisco 1921? Here we list the main differences and features of Cisco 1921, CISCO 1941 and Cisco 2901 in. This is the device's best possible performance, i. g voice termination)?Hi, I read through data sheet that 1921 and 1941 supports with concurrent speed enabled up to 15 MB and 25MB respectively. 3 0. B&H # UBERX MFR # ER-X. Enhanced security. Roger Majo. BTW, one quick check, to determine if your putting too much demand on a small Cisco ISR is to check its CPU history. Form Factor Rack vs. 04-01-2021 09:35 AM. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1. A comparison of the Cisco 4000 series routers. Similarly the same query for Cisco 4000 Series, say the 4321 can handle 50Mbps (without Performance License). Ask your VAR if Cisco Refresh 4351's are available in the channel. understanding. Cisco 3845 W/O AIM- Max tunnels 700 Max. Management Ethernet. ISR 2900 vs. 1. Table. If router works only as gateway between subnets without services, it can forward 400Mbps random packets with 60-70% CPU. txt) or read online for free. Posted on February 28, 2014 by RouterSwitch Tech | 0 Comments. The belief is that our router will max out at 50 Mbps. The physical Gigabit interface in this router has bandwidth command set & the show interface command output reflects the same. We are interested in information around DMVPN (IPSEC) max throughput for the 881 and 1921. Performance (x2-3 of default throughput level) Boost (removes shaping completely) Cisco publishes the following statistics for basic IP routing without services with IMIX traffic (~330 bytes packets). 1941 25. Sorry. Service integration. This article shows the overview of 1900 router and the comparison of 1921, 1941 and 1941W. 1841 Router). Cisco Router Throughput FactorsThe Cisco 1941 Series offers native hardware-based encryption acceleration to provide greater IPSec throughput with less overhead for the router processor when compared with software-based encryption solutions. As a result these Pause Frames are added to L1 Rate value and it confuses the real throughput in the RFC2544 results. The Cisco 900 series is best suited for small and midsize businesses, enterprise branches and as customer premises equipment in managed services. A valid tunnel source consists of any interface that is itself in the up/up state and has an IP address configured on it. A Cisco 1921 can do 144 Mbps at 64-byte packets if no other services are enabled and you are using CEF. Free Expedited Shipping. 製品の概要. Scenario 1. 04-15-2013 03:25 AM. 77 Gbps and a 2921 at 3. I've been conducting a few tests of my fiber connection (250/100), between th. However, when the environments where these routers are used is examined, we see a different. To display system services such as FTP and telnet, enter the show system-services command in User Exec mode or Privileged Exec mode. A 1921 is documented of being able to push 2. CON-SNT-1941WA. Before you buy, compare the 1900 series with the. Use the following formula to calculate the maximum number of PVCs supported on a card: (MTU - 13)/8 = maximum number of PVCs. Description. Cisco ASR 1001,1002, 1004, 1006, and 1013. The Cisco Integrated Services Routers Generation 2 (ISR G2) platforms are future-enabled with multicore CPUs, Gigabit Ethernet switching with enhanced Power over Ethernet (PoE), and new energy monitoring and control capabilities that. I recently ordered a brand new 400Mbps down / 20Mbps up cable connection with static IP. com focuses on original new ICT equipment of Cisco,The Cisco 1941 Series is architected to meet the application demands of today’s branch offices with design. For more information, refer to Cisco IOS IP Routing Protocols Configuration Guide, Release 12. Actually, 60 Mbps throughput for a 1921 is really not that bad, depending on the services running. Modular. Network Security Features for Cisco Integrated Services Routers Generation 2 Platform 18/Aug/2014. Secure Voice on Cisco Integrated Services Routers. We and our partners use cookies to give you the best online experience, including to personalise advertising and content. 1 Tester 1 192 . Bellow is the. Options. The New Cisco ISR 4461-FAQ. • Modular interfaces offer increased bandwidth, a diversity of connection options, and network resiliency. C1921#sh int port-channel 1. For example throughput for Cisco 2911 router depending the packet size (64-1500 bytes) is from 180 to 4236 Mbps, which is very big span. Cisco ISR G2 RFC 2544-Based Performance (kpps and Mbps) For NDR tests sometimes the platforms can process and forward packets faster than the aggregate bandwidth of the interfaces that the specific models can support. 2- To know the throughput configured. Cisco 1905 Integrated Services Router Data Sheet (PDF - 558 KB) 11/May/2010. Network agility • Designed to. Performance (x2-3 of default throughput level) Boost (removes shaping completely) Cisco publishes the following statistics for basic IP routing without services with IMIX traffic (~330 bytes packets). I have a question. Eos and Eol for the Cisco 1941 and 1921 Integrated Services Routers. ) Designed for today’s medium-sized branches and with the purpose of evolving to cloud-based services, all the Cisco 2900. By offering four platforms: the Cisco 2901, 2911, 2921, and 2951 routers, Cisco 2900 series router builds on the previous Cisco 2800 Series Integrated Services Routers (It was already end of life and end of sale. 5, We and our partners use cookies to give you the best online experience, including to. My question is about packet size. 252/24. e. maximum packet size and presented as a throughput test. The last day to order the affected product(s) is September 29, 2018. Catalyst 5000/6000 ATM modules—Since Cisco IOS Software Release 12. For performance testing of high bandwidth links, you should always test through the routers. Benefits. Ubiquiti Networks ER-X EdgeRouter X. Your source for Network Routers from top brands like Ubiquiti Networks, Cisco, TP-Link and Aruba. Technical Specifications ISR4461/K9 ISR4451-X/K9 ISR4431/K9 ISR4351/K9 ISR4331/K9. The 1921 has an IPsec VPN throughput of about 70Mbps. Sorry. CISCO1941/K9. At the end of the test, the two sides display the number of. Provides high-performance routing and processing performance. Policing VS Shaping. 168. Cisco 1941 Cisco 2901 vs. 8 from a host on the 192. com. Open Bugs—Cisco IOS Release 15. September 29, 2018. 1 50 63 63 90 130 150 270 300 305 34528-Aug-2018. All forum topics. Specifications of Cisco 4000. Tunnel transport MTU 1472 bytes. g voice termination)? Hi, I read through data sheet that 1921 and 1941 supports with concurrent speed enabled up to 15 MB and 25MB respectively. So the 1921 router is a fantastic device, but with similar limitations to its predecessors – it has only a single power supply and no featureset. Perform your FTP/Iperf tests using a laptop/PC connected directly behind the 1841 FE LAN port. Export bandwidth--Export bandwidth use increases for Version 9 (because of template flowsets) versus Version 5. In addition, the platforms. – Cisco 1921 ISR – Cisco 1941 ISR – Cisco 2901 ISR – Cisco 2911 ISR – Cisco 2921 ISR – Cisco 2951 ISR – Cisco 3925 ISR – Cisco 3925E ISR – Cisco 3945 ISR – Cisco 3945E ISR † Use the show version command to ensure that the router is running Cisco IOS Release 15. Table 1 describes the end-of-life milestones. High Performance with Integrated Services. The Cisco 1921 builds on the best-in-class offering of the Cisco 1841 Integrated Services Routers. The 10-GE interfaces on the Cisco ASR 1001-X Router use a per port counted license, which has the following features: Count-based licenses will be used for 10-GE ports, 1 count per port. New licensing and software, (probably) better performance, support for new modules–it dominates the Cisco 1841 and previous generations of branch office. Cisco Routers 1941 Series Datasheet. 5 to 200 Gbps. 2951 75. i have inteface ( Wan and Lan ) traffic rates like ; Gig 0/0/1 ( Wan Interface ) 30 second input rate 53375000 bits/sec, 7582 packets/sec. Hi Team, What is the maximum throughput of cisco CISCO1921/K9 router? Thanks in advance, Nagasheshu. Cisco 2921, Cisco 2951 and Cisco 3900 Series routers have an SFP/Gigabit Ethernet port that supports copper and fiber concurrent. Regards Tommy Svensson. The DCE end will provide the clocking. Configuring Class-Based Traffic Shaping. I turned LACP off on the switch and the Ether-channel came up. The <#> is simply a number between 1 and 2,147,483,647. Sent from Cisco Technical Support iPhone App. I believe " show platform hardware throughput level " should help . Problem. Cisco announced the end-of-sale and end-of-life dates for the Cisco 1941 and 1921 Integrated Services Routers. The default is to resend templates every 20 packets, which has a bandwidth cost of about 4 percent. ip address negotiated. . Table 2. downstream bandwidth, and/or port speeds are more than available bandwidth, one common issue. The link actually DOES come up, but it takes about 40 seconds for spanning tree to get to the forwarding stage. The only issue i see is it's bandwidth rating (at 15mb). I followed the instructions at. Most of the modules available on previous generations of Cisco routers, such as the Cisco 1841 ISR, are supported on the Cisco 1921. 01-Feb-2010. 3. 2. Cisco 4G LTE WWAN EHWIC for Cisco ISR G2. Hi. Services on demand. mtu 1492. Cisco ISR G2 RFC 2544-Based Performance (kpps and Mbps) Platform Cisco 860 Cisco 880 Cisco 890 Cisco 1921 Cisco 1941 Cisco 2901 Cisco 2911 Cisco 2921 Cisco 2951 Beginner. The more features you turn on, the worse it gets. 2. just forwarding max size Ethernet packets. The ISR 4221 is mightier than the ISR G2, vis-à-vis ISR 1921 and 1941. ISR performance is very variable depending on your configuration and your traffic mix. From 1921/K9, I have a 2960CG with 2 trunk and 8 access ports. Cisco documents the 1941 as having a maximum throughput of 2,932 Mbps but only recommends it for 25 Mbps. 3 0. Cisco RV260 VPN Routers Data Sheet. Cisco 1841 W AIM-Max tunnels 800 Max throughput 3DES/AES 95 Mbps. Cisco Integrated Services Routers Generation 2 Ordering Guide. A 1921 is documented as being capable of 2. 09-19-2014 01:24 AM - edited 03-01-2019 05:04 PM. Phân phối CISCO1941/K9 Cisco 1941 with 2 onboard GE, 2 EHWIC slots, 1 ISM slot, 256MB CF default, 512MB DRAM default, IP Base (List Price, datasheet and spec) chính hãng giá tốt. As noted, and as can be seen, the 3925's performance is highly variable, depending on how you use it. The 25 MBit speed for the 2901 is also marketing, but a positive marketing-value. Beginner. - having a router with 1Gb interface but only 25Mbps throughput (when all features on) is just like having a high speed engine but it can only speed up to 25KM/hrs But the high-speed engine won't help if the street is not designed for high speed. Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, connect the 2-port A/S WAN interface card (WIC-2A/S) only to. The Cisco ® 860 Series Integrated Services Routers combine Internet access, security, and wireless services onto a single, secure device that is simple to use and manage for small businesses. Products. Encryption Throughput Internet MIX. Most of the modules available on previous generations of Cisco routers, such as the Cisco 1841 ISR, are supported on the Cisco 1921. show system-services. To avoid this issue on a 3845, running your gig interface at 100 Mbps, will likely avoid overruns. cisco 1941 vs. Cisco 3900 series, 2900 series, and 1900 series ISRs use Advanced Capability CF 3 memory to store the system image, configuration files, and some software data files. 2 kbps, with 10 percent of traffic in the opposite direction. The last day to order the affected product(s) is September 29, 2018. The switch backplane throughput will be much faster than any two switch interfaces. Cisco Unified Survivable Remote Site-Telephony-Cisco Unified Communications-Call Manager Express-Cisco Unity Express-Cisco Unified Border Element-Nano Cisco Unified Border Element-Digital voice and video-Analog/BRI voice-Power Power supply type. Part numbers of Cisco 1900 Series are listed in the following table. It appears that with only QoS running, the 2911 can handle 125 Mbps. S. When used in the context of communication networks, such as Ethernet or packet radio, throughput or network throughput is the rate of successful message delivery over a communication channel. G. Figure 1-1shows the front panel of the Cisco 1905 and Cisco 1921 router and LED names. WAN側インターフェースのスループット（カタログ値ではなく、実測値が望ましい） 2. The modular design of the routers provides flexibility, allowing you to. min-free: set min-free to about 20-30% of the permanent number of allocated buffers in the pool. Table 4. Related Topics: Cisco ISR 800 Series vs Cisco ISR 900 Series. That's the "never-to-exceed" value, so the real value will be somewhat less. In the acces ports, I have an AP (Cisco 861W), a DVR, 2 NICs from my x3250 M2 server, my desktop and my gf's laptop. Troubleshoot Commands. The Cisco 1921 supports the existing singlewide Cisco EtherSwitch® HWIC and the doublewide HWIC-D modules, which greatly expand the capabilities of the router by integrating industry-leading Layer 2 switching. show interfaces. On the surface bandwidth and throughput appear to be similar but they couldn’t be further apart in practice. SHDSL HWICs together with Cisco integrated services routers provide businesses the necessary bandwidth for critical traffic such as voice and video conferencing, and. I've included a few screenshots of the. Cisco 1921 showed amazing performance. You can try to do something similar to this, for example you can modify the matching ACL for VLAN-1 policy to apply the action only for traffic sourcing from VLAN-1 (192. ISR 1900 WHERE TO BUY For example, if you need one that support over 10 routing protocol such as OSPF, BGP, EIGRP, PIM-SM, IGMPv3, static IPv4 routing, static IPv6 routing; an evolutionary platform with multicore CPUs, etc. 12-18-2014 06:23 PM. Table 1. ISR4221/K9 and C1111-8P Replace the Hot Cisco. unplug cable or shut interface trigger EIGRP loop to crash router over LISP with tunnels. Cisco 3925, 3945, 3925E, and 3945E. The Cisco 1921 offers increased levels of services integration with data, security, wireless, and mobility services, enabling greater efficiencies and cost savings. Conversely, in that same paper, Cisco recommends the 2901 for only 25 Mbps of WAN (i. At-a-Glance. For one of our customers I configured a Cisco 2921. Conversely, in that same paper, Cisco recommends the 2901 for only 25 Mbps of WAN (i. I used the command “license right-to-use move securityk9”. 0000) Internet address is 192. * 10 Gigabit Ethernet – 160 Gbps. How to factory reset Cisco router 1921/K9 and 1941/K9 S…What their main features can meet your network needs? Maybe the comparison of main Cisco 1900 models can help you find out the answer. I have a question. Now we creat a GRE Tunnel from ethernet to ethernet for all data transfer between our offices internal network. SD-WAN software. 8 kg. providing greater throughput for higher density WAN applications, support for high speed interfaces and increased performance. Redundant power supply. すべての Cisco 1900 シリーズ サービス統合型ルータには、組み込みハードウェア暗号化アクセラレーション、オプションの. Cisco 3945E 3 3 Cisco 1841 1 1 Cisco 2801 2 1 Cisco 2811 2 1 Cisco 2821 2 1 Cisco 2851 2 1 Cisco 3825 4 2 Cisco 3845 4 4 Table 1A provides relevant software information Router Chassis Software Release Minimum Software Package Cisco 1921 15. Hello folks, I was about to pick up a 1921 with SEC-K9 license for SOHO firewall use, and then discovered that the 1941 also exists. The last day to order the affected product(s) is November 1, 2011. As you know the industries. How to configure routing on a Cisco 1941 using Vlans, Router-on-a-stick and Ether-Channel? I recently bought a Cisco 1941 to use as part of my lab. bin. I checked the config and believe that it is correct, but have added it as an attachment. Hi So to begin with, I'm no expert in any way, so please bear with me if my conclusions are not based on anything else then a few of my tests, and may therefore be inaccurate to anything outside my network configuration. I then configured the routers with a very basic config of overloaded NAT and CBAC (tcp, udp, and ftp only). In the acces ports, I have an AP (Cisco 861W), a DVR, 2 NICs from my x3250 M2 server, my desktop and my gf's laptop. bandwidth 20000. Add to Wish List. Here now the new CISCO1921 / Cisco 1941 is a replacement for the very popular Cisco 1841 router. 7 Gbps (table 1), but conversely, figure 1 recommends the 1921 for only WAN links of 15 Mbps. Cisco 7200 VXR Features and Benefit. Customers with active service contracts will continue to receive support from the Cisco Technical Assistance Center (TAC) as shown in Table 1 of the EoL bulletin. This granular visibility. CUBE does not do session refresh while in mid call signalling passthru mode (3945/15. 8. the limit is 35 Mbps. 1(4)M or later. ISR4221/K9 and C1111-8P. I don't know where you saw that, the first linked document states the 1941 can process 299,000 packets/s and 153. Key Features. The last day to order the affected product(s) is January 10, 2013. It is a desktop-like, industrially designed 1RU box priced cost-effectively for mid-markets. Table 1. 37 Gbps. Cisco IOS SSL VPN is a licensed feature available on Cisco routers running the Cisco IOS Advanced Security feature set. CISCO 1941/K9, Cisco 1941, 2GE, 2EHWIC, IP Base, 512DRAM. Both the Gig0/0 and Gig0/1 interfaces must be defined as NAT interfaces and finally you need a default route that points to your LAN traffic to the internet. Cisco announced the end-of-sale and end-of-life dates for the Cisco 1941 and 1921 Integrated Services Routers. whether Cisco 1921 would support the performance throughput in this scenario with 5Mbps MPLS WAN circuit & 100Mbps P2P Ethernet circuit?Throughput, MPLSThroughput, MPLS. 11a/b/g/n-compliant. Please have a look. "I have an internet of 400 Mbps to my ISP, but the router that receives the signal from the ISP despite having 1G ports, has a throughput of 250 Mbps. The AIM module will provide up to 10 times the performance of software-only encryption by offloading encryption processing from the router CPU. The RV260P adds Power over Ethernet (PoE) to four of the eight ports. 1 (3)T, and am trying to configure the router as a PPPoE server for access via a vlan on one of the gigabit ethernet ports. I have troubleshot but still can’t figure out why I get only that much and not full speed. Cisco 1941/1941W. Use this command to verify that the SRP configuration is locked or unlocked. It was difficult to find an apples-to-apples comparison but from some reading online it sounds like the 4000 series replaces the 2900 series, however the throughput on the 2901 is much higher than the 4331. The 2801 is a little slower at about 46 Mbps for CEF. 模块化接口可带来更高的宽带、多种连接选项以及网络永续性。. Participant. e. I know it has the same CPU, though much less internal bandwidth. From the config guide: When you configure this command to 80 percent, the port is idle 20 percent of the time. Hi all, I am interested to know the WAN Throughput Performance of Cisco 2900 / 3900 G2 Routers. View all cloud and network management products. we can use the full 350Mbps and only if we are using IPsec then we need the licence if the bandwidth requirement is more. max-free: set max-free to something greater than the sum of permanents and minimums. If you will purchase a 1921/K9 Router it will come with K9 Licence bundle and if you will buy 1921-SEC/k9 router it will come SEC/K9 bundle. That would be applied for any traffic sourcing from those VLANs in inbound direction to their interfaces. However, what that means is, like your 1921, throughput can vary much based on traffic mix and your configuration. #sh power inline PowerSupply SlotNum. maximum packet size and presented as a throughput test. ISR 3900 vs. Below clarifies the doubts by sharing the comparison between SEC-K9 and HSEC-K9 license –. Cisco recommends a 3945 for the former or a 3945E for the latter. 現在このシリーズには、1905、1921、1941 モデルおよび 1941W. Cisco 1900 series router-a good choice for small branch-office Cisco 1900 Series Integrated Services Routers (ISR) are designed to meet the application demands of small branches. Cisco Integrated Services Routers 1941 Series Datasheet Cisco ISR 4451-X vs. I am making a more. Now whats the difference between them:Increased performance to run concurrent services. If router works only as gateway between subnets without services, it can forward 400Mbps random packets with 60-70% CPU. HTH. 0(14)W05(20), refer to Cisco bug ID CSCds07238. 4331 vs. ISR 3900 vs. Its all about the licences bundles comes along with Hardware. - Cisco 1921 ISR - Cisco 1941 ISR - Cisco 2901 ISR - Cisco 2911 ISR - Cisco 2921 ISR - Cisco 2951 ISR - Cisco 3925 ISR - Cisco 3925E ISR - Cisco 3945 ISR - Cisco 3945E ISR • Use the show version command to ensure that the router is running Cisco IOS Release. 04 Mb/s IPsec VPN Throughput; Show More. CISCO1941/K9 Cisco 1941 with 2 onboard GE, 2 EHWIC slots, 1 ISM slot, 256MB CF default, 512MB DRAM default, IP Base. Correct, the maximum documented (aggregate) performance is 2. This ordering guide focuses on base system configurations and options, but most of the elements are applicable to bundle ordering as well. But I do have 2 vdsl lines coming into this facility, so how do i go about bonding them together? My first assumption is i need to configure ATM. ISR 2900 vs. Cisco 2911 Cisco 2901 Cisco 1941 Cisco 1921. Cisco Router Security bundles entitle you to a certain number of free users; beyond that, you need to purchase additional feature licenses. The transmitting side sends a specified number of TCP packets to the receiving side. . Any ideas?On this page, navigate as follows: Products -> Cisco Interfaces and Modules -> Cisco High-Speed WAN Interface Cards. With a very streamlined configuration, the 1921 can NAT well over 300 Mbps with large packet sizes. The performance positioning as per Cisco site is 350Mbps but somewhere the Data sheet its mentioned that the Encryption data is limited to 50Mbps by default and needs performance licence to increase the same to 250Mbps. Options. 1- To know the current throughput used for the last 5secs, 1 min, 5min and 60 min : show platform hardware qfp active datapath utilization sum. Eos and Eol for the Cisco 2900 Series Integrated Services Routers. Cisco 880 Cisco 890 Cisco 1921 Cisco 1941 Cisco 2901 Cisco 2911 Cisco 2921 Cisco 2951 Cisco 3925 Cisco 3925 E Cisco 3945 Cisco 3945 E Maximum throughput (Mbps) 30 43 54 530 569 625 676 801 1350 2567 6112 3133 7473 Maximum number of concurrent sessions (1000s) 0. Cisco 1921 Gi0/1 192. 10-Oct-2013. Product Overview. If you're doing things like tunnels or NAT or ACLs then these can all introduce performance problems. The 2- and 4-pair G. Hello Guy's come to a bit of a block in the road on a network im building ,all is going well except i need to build a pseudowire to backup our primary L2 circuit, I labbed this with some 3745's but the kit we are using is the 1921, with the universal image how do i go about upgrading functionality to allow this.