Ws c3550 48 smi. 1(13)EA1a" TIAView and Download Cisco WS-C3550-12G software configuration manual online. Ws c3550 48 smi

 
1(13)EA1a" TIAView and Download Cisco WS-C3550-12G software configuration manual onlineWs c3550 48 smi  Fiber media converters; Firewall; IP phones and equipmentBy maintaining a large WS-C3550-24PWR-SMI inventory, MULTI-LINK can often ship on the same day or within 1-2 days of your order

$1,033. Ideal for small- and mid-market businesses, large enterprises, and metro access edge deployments, this fixed-configuration switch enables service breadth, resiliency, availability, and ease of. c3550-i5q3l2-tar. WS-C3550-12G. 9, Data link protocols: We and our partners use cookies to give you the best online experience, including to personalise advertising and content. The Cisco WS-C3550-48-SMI, or Cisco Catalyst 3550 48 SMI, delivers intelligent services in this 1 rack unit (RU) stackable, multilayer switch utilizing 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports, Enhanced Standard Multilayer Software Image, and Standard Multilayer Software Image. IMPORTANTE: Precios y Stock pueden variar sin previo aviso. 168. delivery date Est. 70. Cisco WS-C3550-48-SMI Catalyst 3550 10/100 48-Port Switch We use cookies to personalize content and ads, to provide social media features and to analyze our traffic. 99. com sales@avoornetworks. Condition is Used. 1q中继启用端口时,交换机自动假定附加了额外四个字节的数据,并增加L2数据包的帧大小。. I have a WS-C3550-48-SMI with IOS ver 12. Last updated on Jul 18, 2023 11:07:09 PDT View all revisions View all revisions. The SMI feature set includes advanced QoS, rate-limiting, access control lists (ACLs), and basic static and routed information protocol (RIP) routing functionality. 3 interfacesCODE: c3550. EA1a. WS-C3550-12T. Customers ca n deploy network-wide intelligent services, such as advanced QoS, rate-limiting, Cisco security accessCISCO WS-C3550-48-SMI - Cisco Catalyst 3550 Switch 48 port 10 100 Ethernet - Envoi express, dès aujourd'hui, dans le monde entier Commandez avant pour un envoi le jour même. Please call or email us with your request. 이 문서는 Catalyst 6500/6000, 5500/5000 및 4500/4000 Series 스위칭 모듈 및 Catalyst 2900/3500 XL, 2940, 2970, 2950/29550, 35555050 및 3550용 케이블 및 커넥터에 대한 가이드입니다. Cisco 3550 Switch . 1 Gbps. 48 (24% Spring Discount) Availability: In Stock. comWe have 1 Cisco WS-C3550-24-SMI manual available for free PDF download: Datasheet Cisco WS-C3550-24-SMI Datasheet (18 pages) CATALYST 3550 SERIES INTELLIGENT ETHERNET SWITCHESMotherboard assembly number: 73-8100-07. I don't believe any of the old 3500XL switches support SSH , think this became a feature in like 12. 6506# show idprom backplane IDPROM for backplane #0 (FRU is 'Catalyst 6500 6-slot backplane') OEM String = 'Cisco Systems' Product Number = 'WS-C6506' Serial Number = 'TBA03270652' Manufacturing Assembly Number = '73-3436-01' Manufacturing Assembly Revision. Free shipping. bin. System image file is "flash:/c3550-i9q3l2-mz. What I did: switch: IP_ADDRESS=192. Last reset from warm-reset. 3550#show system mtu System MTU size is. My users are experiencing slow response. WS-C3550-48-EMI 48 10/100 ports + 2 1000BaseX ports. IOS (tm) C3550 Software (C3550-I5K2L2Q3-M), Version 12. Cisco WS-C3550-48 (PowerPC) processor (revision E0) with 65526K/8192K bytes of . Ethernet-controller 3 has 1 Gigabit Ethernet/IEEE 802. Sold for. Gi0/1 Switch A & C connected trunk a-half a-1000 1000BaseCX Gigastack. WSG5482 End Of Sale / WS-G5483. Hi, Can I replace the IOS on a WS-C3550-48-SMI with one from a WS-C3550-48-EMI and then have an EMI switch rather than an SMI switch? Are there any drawbacks to doing this? Thanks. Cisco WS-C3550-48-SMI can serve as a powerful access layer, other important aspects are QoS, rate-limiting, and multicast management. This release and later SMI releases use the phrase "basic Layer 3 routing features". This security policy is to allow funds to fully clear our bank account. 1(11)EA1 adds basic L3 functionality to the SMI image. TXT. Unit has normal wear and tear on the faceplate and cBuy WS-C3550-48-SMI - Cisco Catalyst 3550 Series 3550-48 48 x RJ-45 Ports 10/100Base-TX + 2 x GBIC Slots Layer 3 Managed 1U Rack-mountable Stackable Fast Ethernet Network Switch with fast shipping across U. Power Cables;Buy WS-C3550-48-EMI, Cisco 3550 - Multilayer Switch, 48-10/100 Ports + 2 GBIC-based Gigabit Ethernet Ports: EMI installedswitch for sm all n etworks. 00. Power supply part number: 341-0029-02. Last reset from. . 2410100 and 2 GBIC ports:Std Multilayer SW Image REFURBISHED. Looking for a large quantity of WS-C3550-48-SMI-X3? Call us at (800) 821-3354 or Request a Quote below and one of our sales representative will get in touch with you very soon. bin . System serial number. Currently unavailable. Struggling with current supply chain constraints? Chances are we can help you find the hardware you need. We have a great online selection at the lowest prices with Fast & Free shipping on many items!DC powered and NEBS level 3 compliant, the WS-C3550-24-DC-SMI utilizes 24 10/100 ports and 2 GBIC-based Gigabit Ethernet ports in this 1 rack unit (RU) stackable, multilayer switch to enhance the operation of the network with high availability, security, and quality of service. bin?" 0 Helpful. Description. Explore our database of over. 및 3750 series 고정 구성 스위치입니다. Maximum Warranty. 1 switch: IP_SUBNET_MASK=255. EMI installed. WS-C3550-48-SMI quantity. Free Standard Shipping, buy now at Servers4Less. $60. Manuals and User Guides for Cisco WS-C3550-24PWR-SMI - Catalyst 3550 10/100 Inline Power Switch. $17. Find quality network switch products at discounted prices. tar Catalyst 3550 EMI files. In the box it shows that it is EMI and you can see in the show version the same: "Model number: WS-C3550-48-EMI" It has the latest IOS "Version 12. Accelerate services, enforce security, and simplify operations with the Cisco Catalyst WS-C3550-48-SMI 48-Port External Managed Stackable Switch. Catalyst 3550 module slots WS-C3550-12G. If you want support information for the. S. Warranty & Support – TeamKCI offers a 90-day warranty and 9-5 technical support on all refurbished Cisco ® WS-3550 and all other pre-owned refurbished Cisco ® SAN equipment we sell including Cisco® WS-2960 . 121-12c. Configurar 3550(config)#system mtu ? <1500-1546> MTU size in bytes 3550(config)#system mtu 1546 Changes to the System MTU will not take effect until the next reload is done. 89 shippingCisco Catalyst WS-C3550-24PWR-SMI 24-Port 10/100 Switch. 00. 00 + $16. 0, Weight: 5. 5 out of 5 stars 4. Model number: WS-C3550-24PWR-SMI. 00 & FREE Shipping. Sponsored. 1(22). Start Free Trial or Sign In to see what it's worth. As it has no other option I tried to boot it via console but failed deliberately. Buy Cisco Network Switch WS-C3550-48-SMI. Find the best pricing for Cisco WS-C3550-48-SMI by comparing bulk discounts per 1,000. 可启用中继端口来支持小巨型帧,以此作为解决办法。. SE. Cisco's End-of-Life Policy. Very Good - Refurbished. Visit Store About Us View Feedback Cisco Catalyst WS-C3550-48-SMI 48-Ports 10/100 Ethernet GBIC Managed SwitchProduct Description Payment Shipping Returns About Us Legal Product DescriptionCisco CatalThis product is available as Renewed. Cisco WS-C3550-48-SMI Catalyst 3550 Ethernet Switch 48-Port 10/100Base-TX, (2) GBIC Ports, Standard Multilayer Image units which are shipped internationally have a mandatory 4-10 business day security holding period between payment being received and shipment processing. Error: %DOT1X_SWITCH-5-ERR_ADDING_ADDRESS. This item has been TESTED, POWERED ON, FACTORY RESET, and all ports and lights are shown to be FULLY FUNCTIONAL. cisco catalyst 3550 48-port switch. WS-C3550-48-SMI. 解决方法. 00. WS-C3550-24-SMI. The switch and serial cable have been tested and work, the 1000BASE-T module is untested. Form Factor. 『梱包』は1台ずつの【個別梱包】、【見出しシール付き. WS-C3550-48-SMI + CD-3550-EMI = WS-C3550-48-EMI right? Buy or Renew. Cisco WS-C3550-12T Pdf User Manuals. 3 interfaces. Port Name Status Vlan Duplex Speed Type. 00 $ 75 . c3550-i9q3l2-tar. Opens in a new window or tab. Cisco Catalyst (WS-C3550-24PWR-SMI) 24-Ports Rack-Mountable Switch. A. While it might be able run the same version of IOS, the 3550 and 3750 are different devices and IOS is generally compiled for each device. Chinese; EN US; French; Japanese; Korean; PortugueseArrives by Fri, Sep 8 Buy Used Cisco WS-C3550-48-SMI Catalyst 3550 Multilayer Stackable Managed Switch with 2x GBIC based Ethernet 48-Ports Managed Switch 1 Year Warranty at Walmart. WS-C3550-48-SMI : Date First Available : July 3, 2009 : Feedback . Cisco Catalyst 3550 WS-C3550-48-SMI 48-Port 10/100 Ethernet Switch For Sale When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Top Rated Plus. 00. The last day to order the affected product(s) is September 5, 2023. Buy WS-C3550-48-SMI WS-C3550-48-SMI | Cisco Catalyst 48-port Ethernet Switch. 121-20. Ethernet-controller 1 has 12 Fast Ethernet/IEEE 802. WS-C3550-48-SMI 48 10/100 ports + 2 1000BaseX ports 1 RU stackable, multilayer switch Delivers enterprise-class intelligent services to the network edge Standard Multilayer Software Image (SMI) installed, upgradeable to full dynamic IP routing. The basic IP settings can be referred to the Cisco official webpage:. ‎10-26-2011 10:48 AM - edited ‎03-07-2019 03:04 AM. Part #: WS-C3550-48-SMI Following are the features: - Data Link. 00 Used; NETGEAR ProSafe. Cisco Systems Catalyst 3550 Series Rack Mountable Switch. Works and looks like new and backed by the Amazon Renewed Guarantee. There are 3 on one floor and 2 on another. Customers can deploy network-wide. 3 interfaces. Cisco WS-C3550-48-SMI 10/100 48-Port Ethernet Switch. WS-C3550-48-SMI Cisco Catalyst 3550 48-Ports 10/100 W/ 2x GBIC Slot Switch $45. c3550-ipservicesk9-mz. Buy Cisco WS-C3550-48-SMI Catalyst 48-Port Network Ethernet Switch: Switches - Amazon. Low Price Guarantee; MODEL:Cisco WS-C3550-48-SMI; 1 rack unit (RU) stackable; 48 10/100 Autosensing Ports; Instant Delivery; money back Guarantee; Upgradabel To Full Dynamic IP Routing; Free 24/7/365 Technical support; Exclusive of Taxes;Switch Cisco WS-C3550-12G Software Configuration Manual. TXO has the Cisco WS-C3550-48-SMI in stock, along with a wide range of used and refurbished telecommunications equipment from all OEMs. C3550 Software: C3550-IPSERVICESK9-M. 122-52. Cisco WS-C3550-24 (PowerPC) processor (revision J0) with 65526K/8192K bytes of memory. Cisco WS-C3550-48-EMI Catalyst 3550-48 EMI 48 Port 10/100 Switch. Cisco IOS Software Release 12. Switch type: Managed. Running Layer2/3 Switching Image. 122-44. 10 autosensing 10/100/1000 Ethernet ports 2 GBIC 1-based Gigabit. シャーシのシリアル番号を確認するには、 show idprom backplane コマンドを発行します。. The last day to order the affected product(s) is November 14, 2015. Start Free Trial or Sign In to see what it's worth. I think I came a little. $29. 48 10/100 ports and 2 GBIC-based Gigabit Ethernet slots. WS-C3550-12T. 24 product ratings - WS-C3550-48-SMI CISCO CATALYST 3550 48-PORT 10/100 SMI SWITCH 6019-406. Cisco Catalyst 3550 WS-C3550-48-SMI Ethernet Switch 48x 10/100 RJ45 2x 1Gb GBIC . If you have any questions please ask. Cisco 1000BASE-SX GBIC. 121-11. The WS-C3550-24-EMI enhances network operation. 2(25)SEB4 installed. Power cord include. 95 New; $35. £48. Hi, My WS-C3550-48-SMI switch has a lot of fastEth ports (48) and I need to have a lot of gigEth ports. Processor board ID CAT0722X06P. Hi Cisco Community! I'm a french IT student, and I have in charge to upgrade the software version of my Catalyst ws-c3550-24-smi, the currently version is "Version 12. WARRANTY: 30 Days Warranty (Repair/Replacement). Cisco WS-C3550-48-SMI Catalyst 3550 48 10/100 ports & 2 1000BaseX Ports; 1 RU stackable, multilayer switch; Standard Multilayer Software Image (SMI) 1. Model revision number: D0. Motherboard revision number: A0. The Cisco Catalyst 3550 48 SMI is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS. 255. Cisco Catalyst (WSC355048SMI) 48-Ports External Switch Managed stackable. You might also be interested in WS-C3550-24-SMI. WS-C3550-48-SMI . )We have 2 Cisco WS-C3550-48-SMI - Catalyst 3550 10/100 Switch manuals available for free PDF download: Installation Manual, Datasheet . ## PRICE ON CALL ## SHORT DETAIL: • 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports • 1 RU stackable, multilayer switch • Delivers. Imagen de software multicapa estándar (SMI) instalada, actualizable a Imagen de software multicapa estándar mejorada (EMI) Ideal para la. Sold for. Port Speed10/100 Fast Ethernet. Puneet Gupta. 5. Cisco Catalyst WS-C3550 has 48 10/100 autosensing ports alongside a 1-RU design, 2 GBIC ports. Configuration register is 0x10F. Cisco WS-C3550-48-SMI - Catalyst 3550 10/100 Switch Installation Manual (160 pages) Installation Guide. Would you like to tell us about a lower price? Cisco WS-C3550-48-SMI 48-10/100 Catalyst Standard Multilayer Image Switch. Cisco WS-C3550-48-EM Catalyst Network Ethernet Switch. Cisco WS-C3550-48-SMI 10/100 48-Port Ethernet Switch. S from harddiskdirect. Configuration register is 0x10F. We have a great online selection at the lowest prices with Fast & Free shipping on many items!Beginner. Model number: WS-C3550-48-SMI ===== But the IOS is. Return to Top. Cisco Catalyst 3550 switch includes 48 x 10/100 Fast Ethernet Ports - 2 x GBIC Expansion Slots - Standard Multilayer Image . ) There is a system_env_vars file on the flash containing line: MODEL_NUM=WS-C3550-48-SMI. Netvoeding, connectors en snoeren voor deze switches vallen ook onder de. Refurbished. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Catalyst 3550 Series can. Everything that is included in the sale is described and / or pictured above. But they are only half-duplex. log. 121-19. Cisco WS-C3550-48-SMI 10/100 48-Port Ethernet Switch. 24-port 10/100 power over ethernet switch plus 2 GBIC slots. ‎04-29-2003 10:48 AM - edited ‎03-02-2019 07:00 AM I am new to vlans and trying to determine my needs for equipment. com FREE DELIVERY possible on eligible purchasesCisco WS-C3550-48-SMI - Catalyst 3550 10/100 Switch ; Cisco WS-C3560E-24TD-E - Catalyst Switch ; Cisco Categories. The Standard Multilayer Software Image (SMI) comes installed, but. 3 interfaces. Cisco. Teksavers is a Network Systems Integrator and supplier of new and refurbished Technology hardware, software, and services. Software advisor says that I can only update to Version 12. Return to Top. Cisco WS-C2950T-48-SI 2950T 48-port Catalyst Switch (Certified Refurbished) $195. 5 out of 5 stars. Please Note: This product may not come with brackets. Processor board ID CAT0911Y0R9 Last reset from warm-reset Running Layer2/3 Switching Image. Sold Date. Port TypeRJ-45. 00. Visit the APC Store. 要获取机箱序列号,请发出 show idprom backplane 命令:. Our app is. Est. comBuy Cisco Network Switch WS-C3550-48-SMI=. End-of-Support Date: 2011-05-02. Looking for specific info? See questions and answers Product information . emory. Product Description: 24-10/100 and 2 GBIC ports:Std Multilayer SW Image. of memory. There are some cases, such as 3560v2, where the v2 is just a regular 3560 with some extras, so it will run the same IOS, but I highly doubt an IOS compiled for a 3750 will run on a 3550. With Ethernet and Fast Ethernet data link protocols, this switch offers dual GBIC slots. MAC address table: 8000 entriesThe Cisco Catalyst&reg; 3550 24 EMI is a member of the Catalyst 3550 Series Intelligent Ethernet Switches, a line of enterprise-class, stackable, multilayer switches that provide high availability, security and. EA1a. 2(52) release is able to run EEM. Description Description. 请注意,这些平台不支持ISL封装。. It looks like the 12. 3 interfaces Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802. Ws-c3550-48-smi Ws-c3560g-48ts-s Ws-4948-10ge-e ws3750x-48t ws3750x-48t Asa5505 Asa5505 Asa5505 comments sorted by Best Top New Controversial Q&A Add a Comment. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network. Return to Top. 52 x 1. 2(44). IOS Image: c3550-ipservicesk9-mz. 2(35)SE3, RELEASE SOFTWARE (fc1). This L3 functionality includes static unicast routing, the Routing Information Protocol (RIP), and other features. yaml. Switches are in good condition as shown in the picture. The Cisco Catalyst 3550-24 DC and Catalyst 3550-24 FX can only be ordered with the SMI preinstalled, but as with all switches running the SMI, they can be upgraded to the EMI version using an EMI upgrade kit. Labels: Labels: Aironet Access Points; 141597-show version show loga. Get the best deals for ws-3550-48 smi at eBay. Get customized solutions at 1/10th of the cost. Cisco Catalyst 3550 WS-C3550-48-SMI 48-Port 10/100 Managed Switch. The GigaStack GBIC (model WS-X3500-XL) adds port density and high-performance connectivity to supporting switches. Options. in titles & description Save this seller | Sign up for Store newsletter About Me MyWorld Guides Reviews Listings Feedback Favorites Contact Store TechreplayYour Technology SuperstoreEnding Soon NewlyCatalyst 3550-48-SMI, 48 10/100 + 2 GBIC ports, Standard Multilayer Image WS-C3550-48-SMI. 2 Gigabit Ethernet interfaces. The unit pictured is exactly what you will get. Catalyst 3550 EMI files. Page 48 Chapter 1 Overview Network Configuration Examples Figure 1-3 Catalyst 3550 Switches in Wiring Closets in a Backbone Configuration Cisco 7500 routers Catalyst 6000 multilayer. Select category. Does it have SSH capability? If not, does Cisco give out free IOS updates that have crypto in them? Anyone tried the switch?Buy Cisco Network Switch WS-C3550-48-SMI-CON. SE5. Return to Top. Multilayer Software Image (EMI) installed Provides advanced IP routing Cisco Catalyst 3550-48 WS-C3550-48-SMI 48 10/100 ports and 2 GBIC-based Gigabit Ethernet ports. Basic switching RJ-45 Ethernet ports quantity: 24. Multilayer Switch. Switch Cisco WS-C3550-12G Software Configuration Manual. 1 (8)EA1c". March 2014 in CCNA & CCENT. Coupled with our 90-day replacement warranty. Quantity. 73 inches : Item Weight : 11. 다음을 확인합니다. Up to 740W of combined PoE/PoE+ budget. since the image version 12. Motherboard assembly number: 73-5700-12. SSH on WS-C3550-48-SMI. Get the best deals for cisco c3550-48-smi at eBay. 99. Cisco Catalyst 2960-S switches feature: 24 or 48 Gigabit Ethernet ports. Hi. Start Free Trial. Visit Store About Us View Feedback Cisco Catalyst WS-C3550-48-SMI 48-Ports 10/100 Ethernet GBIC Managed SwitchProduct Description Payment Shipping Returns About Us Legal Product DescriptionCisco Catalin titles & description Save this seller | Sign up for Store newsletter About Me MyWorld Guides Reviews Listings Feedback Favorites Contact Store TechreplayYour Technology SuperstoreEnding Soon NewlyCisco WS-C3550-48-SMI 48-Port Ethernet Network Switch Catalyst 3550 Series. EN US. cisco WS-C3550-24-PWR (PowerPC) processor (revision J0) with 65526K/8192K bytes of memory. Dieses Dokument enthält eine Anleitung zu Kabeln und Steckverbindern für Catalyst Switching-Module der Serien 6500/6000, 5500/5000 und 4500/4000 sowie für Catalyst 2900/3500 XL, 2970. johnlloyd_13. Hall of Fame. Cisco WS-C3550-48-SMI 10/100 48-Port Ethernet Switch. Return to Top. 3af/at PoE+@400W, 2 x 1G SFP, NICGIGA 50 Port Network. Free shipping. Processor board ID CAT0737Y0TA. £29. zip. Find accurate end of life & end of service life dates for Cisco WS-C3550-48 hardware. This unit have been TESTED and found to be FULLY FUNCTIONAL. Try to update to: c3550-ipbasek9-mz. !--- This factory configuration does not change, !--- even if you upgrade to an EMI. Start Free Trial or Sign In to see what it's worth. Contact Service Express. With 24-10/100 and 2 GBIC ports and Enhanced Multilayer SW Image, this switch is a stackable, enterprise-class networking solution that provides high availability, security, scalability and control. We need a basic IP settings to make a connection between PC and the switch. Enclosure Type: Rack-mountable - desktop - 1U. 0, Height: 45. com FREE DELIVERY possible on eligible purchases Amazon. Cisco Catalyst 3550 WS-C3550-48-SMI 48-Port 10/100 Managed Switch Price: US $131. 1(11)EA1 adds basic L3 functionality to the SMI image. I need to upgrade the switch with latest image. When. 99. 255. Return to Top. Wir kaufen Cisco an! Auch von Privat! 0391-7271-5600. Cisco Catalyst 3550-48. Alex . The switch features Cisco EnergyWise technology, which allows it to monitor and control energy consumption of connected devices. Manufacturer Part Number: WS-C3550-48-SMI. Switch. Nous vous contacterons par e-mail quand cet article sera de retour en stock. This L3 functionality includes static unicast routing, the Routing Information Protocol (RIP), and other features. 4. Fiber media converters; Firewall; IP phones and equipmentBy maintaining a large WS-C3550-24PWR-SMI inventory, MULTI-LINK can often ship on the same day or within 1-2 days of your order. $30. WS-C3560-48TS-S / WS-C3560-48TS-E. 884. Sponsored. 752. I have this problem too. With a full line of IT Services, we become a. 1(12c)EA1a, RELEASE SOFTWARE (fc1) So I really don't know. Model number: WS-C3550-48-SMI. $65. Find great deals on eBay for c3550 48 smi. Cisco Systems . $45. Dit document is een handleiding voor kabels en connectors voor Catalyst 6500/6000, 5500/5000 en 4500/4000 Series switchingmodules en Catalyst 2900/3500 XL, 2940, 2970, 950/2955, 3550 en 3750 Series switches voor vaste configuratie. 3550 is yes , an image with "k9" indicates crypto code which supports SSH . 1G Small Form-Factor Pluggable (SFP) or 1G/10G SFP+ slots. This release and later SMI releases use the term "Layer2+". Ethernet-controller 2 has 12 Fast Ethernet/IEEE 802. 99. You might also be interested in WS-C3550-48-EMI. 5500. Motherboard serial number: CAT072202Q4. All Cisco Switches hardware is fully tested and ready to ship. If you need a specific firmware or series relating to WS-C3550-24-SMI, we probably have it. Hey there, I have an Cisco 3550 48 SMI running IOS (tm) C3550 Software (C3550-I9Q3L2-M), Version 12. 01-28-2014 09:35 AM - edited ‎03-07-2019 05:51 PM. 121-19. System serial number: CAT0805Z17L.