cisco 2950 8 port switch. The four Catalyst 2960 8-port switches and these models do not have an RPS connector or an RPS LED: Catalyst 2960-24-S, Catalyst 2960-Plus. cisco 2950 8 port switch

 
 The four Catalyst 2960 8-port switches and these models do not have an RPS connector or an RPS LED: Catalyst 2960-24-S, Catalyst 2960-Pluscisco 2950 8 port switch  DC input voltage for RPS 2300

You can view a listing of available Switches offerings that best meet your specific needs. Unfortunately, the 2950 does not support TDR. Than on the router on port fa0/0 you need to create 2 sub-interfaces (one for 10 and one for 20) and add IP to each sub-interface. If you want support information for the Cisco Catalyst 2950 LRE Series. . FREE Returns. Looks just like a regular switchport but it has "Console" written above or below it. The Catalyst 2950 switch supports address learning only on aggregate ports even though the physical-port keyword is provided in the command-line interface (CLI). Greetings, I'm trying to connect via serial to rj-45 to a Cisco Switch. 107. Enable telnet on both switches:Cisco WS-C3560CX-8PT - 8 Ports Fully Managed Ethernet Switch. 2. CISCO CATALYST 2950 SERIES SWITCH. This has now been corrected. 7 out of 5 stars 13 ratings. In the catalyst 2950 datasheet, the switch have a 8 LRE ports, but in the chassis the LRE ports cannot be found!!! (only 8 LED appears) In the front panel there is a p. 8 Port Gigabit Switch; Cat5 Switch; Cisco 2950; Cisco 2960 48; Cisco 2960g; Cisco 3550; Cisco 3550 Gbic; Cisco 3550 Poe Switch; Cisco 3550 Switch; Cisco 3560 8 Port;Cisco Catalyst 2950 LRE Series Switches. 37H inches. However, some differ, as shown in the table below. zip file) This product is supported by Cisco, but is no longer being sold. Product description. Before using this guide, you should have experience working with the Cisco IOS and be familiar with the concepts PRODUCT OVERVIEW The Cisco® Catalyst® 2950SX48, 2950T-48, 2950SX-24, 2950-24, and 2950-12 switches, members of the Cisco Catalyst 2950 Series, are standalone, fixed-configuration, managed 10/100 Mbps switches providing basic workgroup connectivity for small to midsize networks. switchport access vlan x. Here is what I did: config t int FastEthernet1/0/47 speed 100 duplex full end. Step 1. duplex full-----switch two. User access is verified using 802. Also for: Catalyst 2950sx-24, Catalyst 2950t-48, Catalyst 2950-24, Catalyst 2950-12. On the 4500/4000 series switches which run Cisco IOS Software, the vlan. 32 to 113°F (0 to 45°C) Storage temperature. You can view a listing of available Campus LAN Switches - Access offerings that best meet your specific needs. They can be mounted with a magnet, have security lock slots, and do not have a fan. Bán phân phối Switch Cisco 2950 switch Cisco layer 2 access. # configure terminal. Second, as far as I know, 2950 switches which supports Fiber uplink comes with GBIC. 10. 1/10/40* GbE. Most routers and switches by Cisco have default passwords of admin or cisco, and default IP addresses of 192. 0. Hello, I apologize in advance for what probably is very basic questions. Power rating. Thiết bị chuyển mạch Cisco Catalyst 2950G-12-EI, Catalyst 2950G-24-EI, Catalyst 2950G-24-EI-DC và Catalyst 2950G-48-EI là các switch 2950 có thể. 5/5/10 Gbps) Ethernet and 8x10G Uplink ports, with 1100WAC power supply, 1 RU, IP Services feature set. Catalyst 2950 Desktop Switch Software Configuration Guide, 12. The command output also shows the VLAN and interface on which the querier was detected. Modular data center. 1EA so ftware, and the Catalyst 2960 switch runs Cisco IOS 12. 1, refer to the Cisco IOS Release 12. NETGEAR 10-Port PoE Gigabit Ethernet Smart Switch (GS110TP) - Managed, with 8 x PoE+ @ 55W, 2 x 1G SFP, Optional Insight Cloud Management, Desktop or Wall Mount, and Limited Lifetime Protection. hi , i have Catalyst 2950 24 port switch and i am trying to run it in my store. Both are 24 port switches. The port will only sent and accept 802. Published On: August 6ᵗʰ, 2019 02:00 Catalyst 2950 Desktop Switch Software Configuration Guide, 12. 15 shipping. Cisco2950>en. 0L x 16. Very strange. Vous pouvez également utiliser un commutateur. feeneydfeeney. Step 1. By default, storm control is disabled. Our supplier listings for network switches contain products to meet all needs for home and professional use. 2(8)SA5 and later. End-of-Sale Date: 2006-10-02. That is to say it does not do routing. Insert the SC connector in the fiber-optic receptacle (see Figure 3-38). 1 (13)EA1 and later. Book Title. 5. • The default port CoS value is 0. SUMMARY STEPS Connect the RJ45 port to the serial port on the terminal server or your PC using the optional RJ45-to-DB9 adapter cable. Cisco Catalyst C9200CX-8P-2X2G 8 Port Rack Mountable Catalyst Switch. For those switches, see Chapter3, “Switch Installation (8-Port Switches)” The instructions in this chapter for connecting to the switch ports and for installing and connecting to the small form-factor pluggable (SFP) modules apply to all Catalyst 2960 switches, including the 8-port switches. 1 Command Summary. 99. SW1 managment ip-10. Cisco Systems Catalyst 2950 Series 24. Only 6 left in stock - order soon . It comes with 100base-FX uplink ports which are fixed ports, meaning you can't install any other interface over here. The reason why MDIX is not enabled by default on 2940/2950/2955 & 3550 is because MDIX is NOT SUPPORTED on this platform. 000. 00. The Catalyst 2950 Series also includes the Cisco Catalyst 2955T-12, 2955C-12, and 2955S-12. SSH Enabled - version 2. 200-301 CCNA Study Materials. I've used a cross cable to plug both switches. If the switch is in a continuous reboot, complete one of the procedures in this step, which depends on your switch model. 1X-enabled switch port. Other Catalyst 2950 Series Switches Catalyst 2950 Series with Standard Image: The Cisco Catalyst® 2950SX-24, 2950-24, and 2950-12 are also members of the Cisco Catalyst 2950 Series switches. Many Cisco Catalyst 2950 Switches also come with PoE and additional expansion slots. 1. Cisco 585 LRE), et un coupleur de réseau téléphonique analogique est nécessaire pour permettre, sur la même ligne, la coexistence du trafic analogique avec la liaison LRE. I think previous owners might have disabled console. Switch(config)#Switchport. Rp1. In response to Amit Singh. 2. It should be able to be opened by 2004 and recent versions of AutoCad as well as. Catalyst 2950: Fixed: 2950 2950SX: 12 8P8C 24 8P8C 24 8P8C/2 GBIC or 1000SX 48 8P8C/2 GBIC or 1000SX: 1 (fixed). 0L x 16. This is regardless of whether auto-MIDX is enabled on the switch port. As for rebooting the switch that is an absolute last resort and to be honest very rarely has rebooting a Cisco switch fixed the problem. 000. They are standalone, fixed-configuration, and managed 10/100 switches providing basic workgroup connectivity for small to midsized companies. Reassign the switch a hostname of 2950sw1 and an enable pass of ‘cisco’ (unencrypted). 2(8)SA1 or 11. FCoE port types. LACP allows Cisco switches to manage Ethernet channels between switches that conform to the 802. I have a 2950 24 port switch and I wanted to practice updating it's IOS using my TFTP server. Offering PoE and non-PoE options for each 8, 24 and 48 Port Switch models. In order to change the native VLAN on the interface that is trunking, issue the switchport trunk native vlan vlan_number command. 3. $35. FREE Returns. This Cisco 1 RU router supports MAC address filtering, which allows you to specify the IP. $450. do let us know if. Resolution. You will need a layer 3 device like router on a stick. Hi, Can we have the port access security control at the switch since this is like vlan extention into another side via leased line? For example, i plug the leased into port fastethernet 20 of cisco switch 2950. It would be great if you could find a way to make sure that the Serial is working. Fast & Free shipping on many items!. 24-port and 48-port Cisco Catalyst 2960-L switch . 3. - Cisco CGS-2520-24TC Connected Grid Switch. 46. If the querier is a multicast router, the output shows the Port field as Router. Reviews. You can either do it on a per-port basis using the command spanning-tree portfast or (my personal recommendation) in the global configuration using the command spanning-tree portfast default. Rp200. The default gateway on the 2950's should have the IP of the router or layer 3 device. Use a crossover, twisted four-pair, Category 5 cable when you connect to other switches, hubs, or repeaters. ). The Catalyst 2970 series switches support gigabit ethernet on all Ethernet access and uplink ports. I'm after inheriting a cisco 2950 switch in my new job and I do not know the enable password for it. The systems seems to run a lot smoother now. So that is quite achievable. stop bits 1. The working interfaces have switchport access vlan *n* and you need to add that to the ones you are using: configure terminal. 70. 00. cheers,. The inside of a Cisco 1900-series switch. Accessing the CLI. If you want support information for the Cisco Catalyst 2950 24 Switch documentation, it may be available through Cisco. Note: In this table, only WS-C2916M-XL is a 4-MB DRAM switch. Any suggestions would help. It is plugged into a Linksys SD2008 8-port 10/100/1000 switch which then uplinks to the switch closet's Cisco 48-port 2950. Assign a mac address for a port on 2950 s/w for a specific vlan. Options. Catalyst 2950/2955 series switches support FEC with up to eight ports in both a port group that has source as a basis and a port group that has destination as a basis. Per-Port, Per-VLAN Quality of Service. Rp250. See all 31 - listings for this product. You will need to connect the device to the switch via a serial connection at 9600 bps. Updated on November 7, 2023. 168. I'm a newbie when It comes to Cisco so any help would be appreciated. Catalyst 3750/3560 Series switches support an MTU of 1998 bytes for all 10/100 interfaces. 129 255. It's the same when I connect any router to either of the two 2950 switches I have. 1 documentation on Cisco. Quote:Cisco Catalyst 2950 LRE Series Switches. 8-Gbps switching fabric Forwarding Rates based on 64-byte packets Catalyst 2950-12: 1. Cisco Suggested Price. Fast. Specify the engine ID for the remote host. Switch IOS: c2950-i6q4l2-mz. 2. With a Catalyst 2900 XL that runs Cisco IOS Software Release 11. 00. Contact us for a price. Configurations This document uses these configurations: Based on Trusted CoS Value In the 2950 switch, the FastEthernet 0/6 port has configured VLAN 10 for voice VLAN with dot1p to useThe catalyst 2950 is purley a layer 2 switch. Catalyst 2950/2955 series switches support FEC with up to eight ports in both a port group that has source as a basis and a port group that has destination as a basis. The Cisco Catalyst 2950-12 and Cisco Catalyst 2950-24 switches provide 12 and 24 10/100 Mbps ports, respectively, for edge connectivity. Serial ports were once common on laptops, but are uncommon today. 22 offers from $14. Available at a lower price from other sellers that may not offer free Prime shipping. show vlan Displays the parameters for all configured VLANs or one VLAN (if the VLAN name or ID is specified) in the administrative domain. (channel or aggregate port); the switch bases these interface groups on hardware, administrative, and port parameter constraints. Power consumption 1. 14th Floor, Regal Tower, Full range of Cisco Switches, at aggressive prices, fast lead times and warranty. I assume that your network is designed as follows and 2950 is yours: ISP->Router->2950Switch. With a range of copper and fiber uplink options, the Catalyst 2955 operates in environments such as. 41 SW2 Managment IP-10. Cisco Catalyst 2950 Series Type WS-C2950G-24-EI 24 PORT. Find the best Cisco Switches & Hubs price in Malaysia, compare different specifications, latest review, top models, and more at iPrice. Jakarta Utara Selular88. Dimensiones del producto : 12,99 x 17,52 x 1,73 pulgadas : ASIN :Hi, You can't have more than one vlan on the 2950 and that is only for management. The 1300nm wavelength is the targeted region of the optical spectrum. Harga Cisco Catalyst 1000 Series Switch C1000-16P-2G-L. I am trying to set up a trunk over fa0/1 on both switches. 0. Do I have to tell. The Cisco Catalyst 2950T-48-SI switches have dual integrated 10/100/1000BASE-T and 1000BASE-SX ports that provide redundancy and higher availability, as well as a cost. 08-03-2007 03:50 AM. The n. 95. This example shows how to configure a static secure MAC address on VLAN 3 on a port: Switch(config)# interface gigabitethernet0/2 Switch(config-if)# switchport mode trunk Switch(config-if)# switchport port-security Switch(config-if)# switchport port-security mac-address 0000. Caution A bootloader upgrade occurs if you are upgrading Catalyst 2950 switches running Cisco IOS Release 12. $79. RTR <> Unifi ports < set as trunk. Desktop Switch. If you want to communicate through the SFP, here is something you could do: First access both switches through console and configure an IP address for VLAN 1. item 7 Cisco Catalyst 2950 Series WS-C2950G-48-EI 48-Port Network Switch Cisco Catalyst 2950 Series WS-C2950G-48-EI 48-Port Network Switch. 01 MB) PDF - This Chapter (1. com. Since it is destined for an address in the 192. Rp195. Dual ports also provide redundancy and increased availability, as well as provide a. The switch detects the client when the port link state changes to the up state. 08 MB) PDF - This Chapter (2. Cisco Catalyst 2950 Series WS-C2950T-24 24-Port Network. $35. The last day to order the affected product(s) is July 29, 2013. I am getting following error: Event Message: Port_Performance_dot3_Ethernet PORT- xxxxx/1. Was: PHP 1,421. snmp-server user username groupname remote host [ udp-port port] {v1 | v2c | v3 [auth {md5 | sha} auth-password ]} [ encrypted] [access access-list] Configure an SNMP user to be associated with the remote host created in Step 2. If you want support information for the Cisco Catalyst 2950. switch is not. [November, 2023] Cisco Switches & Hubs price in Malaysia starts from RM 140. Cisco Ws-C2950-24 2950 24 Port 10/100 Switch . The information in this document was created from the devices in a specific lab environment. This fits your . 0 out of 5 stars Cisco 8 port switch. Step 3: Copy, extract, and put the upgrade in place. Index. 1 (22)EA1 :-. 67. 000. 1(6)EA2a . Even after resetting the speed, I'm getting: sh int FastEthernet1/0/47 FastEthernet1/0/47 is down, line protocol is down (notconnect) Hardware is Fast Ethernet, address is 0016. The Cisco Catalyst WSC295024 is an advanced 24-port router that is ideal for creating small and medium-sized secure networks with Internet connectivity. 05-16-2011 01:56 PM - edited ‎03-06-2019 05:05 PM. 1. End-of-Sale Date: 2008-10-21. [2] Save this configuration to nvram and exit. The Cisco Catalyst 2950 Series Switches has been retired and is no longer supported. • For Catalyst 2950 switches without the extended system ID (software earlier than Release 12. 100 to 240 VAC (autoranging) 8 to 4 A, 50 to 60 Hz (Catalyst 2960-Plus 24PC-L and 2960-24PC-L)Cisco Catalyst 2950 Series Switches Cisco Catalyst Express 500 Series Switches (Select PoE models only). The Cisco ® SRW224P 24-Port 10/100 + 2-Port Gigabit Switch (Figure 1) offers a highly secure way to expand your network. 57. Note By using the media-type auto-select command in Cisco IOS command-line interface (CLI), you can configure the Catalyst 2950 LRE so that the SFP module port does not take precedence over the 10/100/1000 port. Dual ports also provide redundancy and increased availability, as well as provide a. parity none. 1. A is uplink switch of B. 7 . 669. Management VLAN 7, Data VLAN 8, and Voice VLAN 9. If you use the default configuration, native VLAN is set to VLAN 1. Network Usage. Follow these steps: 1. FCIP port types. PDF - Complete Book (8. Call 1-800-798-3682 for pricing or to sell your excess gear. CISCO CATALYST 2950 SERIES SWITCH. Cisco IOS Software Configuration for Catalyst 2900XL/3500XL, 2950, and 3550. . The Cisco Catalyst 2950 Series is a line of fixed-configuration, stackable, and standalone switches that provide wire-speed Fast Ethernet and Gigabit Ethernet connectivity. The 3550 is now end of Sale ie. These switches provide customers with many connectivity and port-density options. In the case that you are going to configure the trunk with the dot1q encapsulation. SG250-10P. I'd like to plug this 24 port switch into one of my other Cisco 2950 48 port switches to increase the connection availability. 128. View and Download Cisco Catalyst 2950SX-48 datasheet online. Products. Home; Cisco Catalyst 2950 LRE Series Switches; Configure  < Return to Cisco. The serial number of Cisco Catalyst switches cannot be modified. Your WS-C2950C-24 (old type) has 100Base-FX fiber ports with MT-RJ connectors. 967. Connect the supplied RJ-45-to DB-9. Todos los dispositivos que se utilizan en este documento se pusieron en. Cisco2950#. Comment configurer un port trunk sur les séries Catalyst 2900XL, 3500XL, 2950 ou 3550 Un port de commutation est un lien point à point qui envoie et reçoit du trafic entre des commutateurs ou entre des commutateurs et des routeurs. 99 Trending at $117. Cisco announces the end-of-sale and end-of life dates for the Cisco Catalyst 2960 and 3560 8-Port and 12-Port Switches. 00. flow control noneCisco Catalyst 2950C 24-24 10/100 ports and 2 fixed 100BASE-FX uplink ports. 8. Switch Cisco Catalyst 2950 Series type WS-C2950-12. 129. switch>enable. Once in ROMMON, use the following commands: flash_init load_helper rename flash:config. You must set the MTU globally. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed; Permalink; Print; Report Inappropriate Content ‎12-06-2007 06:06 PM - edited ‎03-05-2019 07:52 PM. 11 (or later), or Google Chrome on your PC and enter the management. Cisco Systems WS-C2950-24 Layer 2 Switch 24-Port 10/100 Catalyst 2950 Series CRf. Switch_IOS (config-if)# private-vlan mapping add secondary_vlan_list or Switch_IOS (config-if)# private-vlan mapping remove secondary_vlan_list. EA1a. 4797. Home; Cisco Catalyst 2950 LRE Series Switches;. The difference is, the old switch has built in Gigabit fibre ports(25&26), that fibre goes from the fibre box directly into the switch using a SC to ST fibre patch cable. 0) is also on vlan 1 in the rest of the network. The show module command can indicate faulty, which can indicate a hardware problem. Get the best deal for Cisco Poe Switch from the largest online selection at eBay. Switch Cisco Catalyst 2950 24 port. EtherChannel provides fault-tolerant high-speed links between switches, routers, and servers. - Ping the WAN address, which is 24. General Information. com Search or in the. 1(9)EA1), if all network devices in VLAN 100 have the default priority of 32768, entering the spanning-tree vlan 100 root primary command on the switch sets the switch priority for VLAN 100 to 8192, which causes this switch to become the root switch. 4. With a Catalyst 2900XL running Cisco IOS Software Releases 11. Ratings and Reviews. 1p priority tagging for voice traffic, and configured trust mode for data traffic from the PC which is connected to the access port of the Cisco IP phone. I used the following commands on my first switch (Texas): en. 0. The reason why MDIX is not enabled by default on 2940/2950/2955 & 3550 is because MDIX is NOT SUPPORTED on this platform. So you are only allowed ports that are active for 64 VLANs. 1. All routed IP traffic chooses a port based on the source and destination IP address. Published On: August 6ᵗʰ, 2019 02:01 Catalyst 2950 Desktop Switch Software Configuration Guide, 12. MDIX support started appearing with the release of the 2960, 3750 and 3560 switches. Catalyst 2950 Switch con Cisco IOS® Software, versión 12. VLAN Support Catalyst 2950 switches support 250 port-based VLANs for assigning users to VLANs associated with appropriate • network resources, traffic patterns, and bandwidth The Catalyst 2950-12 and Catalyst 2950-24 switches support only 64 port-based VLANs. Specs. SAN Switching capacity. 1(6)EA2 or later or a Catalyst 3550 switch running Release 12. Switch(config)# monitor session 1 destination interface fastEthernet0/10 encapsulation dot1q Switch(config)# end ; This example shows how to configure the destination port for ingress traffic on VLAN 5 by using a security device that does not support 802. Get the best deal for Cisco 2950 from the largest online selection at eBay. Beginner. EDIT: It only take a few seconds of looped broadcast traffic to spike CPUs and before you know it the network is down. Cisco Catalyst switches can forward traffic on a destination SPAN port in Cisco IOS 12. 1. I'm not sure that this is the best way to go. Everything is on VLAN1, all IPs are on the same subnet, nothing fancy at all. If you are planning on buying one of these switches, make sure. Les commutateurs Cisco Catalyst 2950 LRE se composent des équipements suivants – développés autour du logiciel Enhanced Image (EI) pour la gamme Catalyst 2950. 1(11)YJ4. Hi, As suggested 2950 is L2 switch and can have only one SVI for management purpose and for troubleshooting purpose in future If the Layer 2 VLAN is not created on the switch, SVI interfaces show as UP/DOWN in the show ip interface brief command output when the configuration is applied to the switch. Connecting a router to a Fast Ethernet switch port provides multiple, simultaneous access to the Internet through one line. This chapter describes how to configure EtherChannel on Layer 2 interfaces. Cisco 2950 Switch Configuration. x)XU;. Add a comment | 1 Roughly, an active 1000BASE-T port (in modern equipment) will consume approximately 100 mW more than one without link. This puts the switch into configuration mode. How to do the port access security on port 20? Can open certain port/services on faste. The problem is from the switch I'm not able to ping even the default-gw too. 1(8)EA1 or later. [November, 2023] Cisco Switches & Hubs price in Malaysia starts from RM 140. dat file on the 6500/6000 switches, issue the erase const_nvram:. The Cisco Catalyst 2950 LRE Series Switches has been retired and is no longer supported. I have never had problems with cisco switches, here are the firmware versions for each. All other VLANs are tagged members. See Chapter 3, "Switch Installation (8-Port Switches)," for more information. Bad Port or Module Port or Interface or Module not enabled. 1 For the 3550 series switch, when source-MAC address forwarding is used, load distribution based on the source and destination IP address is also enabled for routed IP traffic. interface GigabitEthernet x/y/z. 07-06-2015 09:03 AM. . If you use a Catalyst 2950 switch command, it might not be supported on the Catalyst 2960 switch. I am now working on the switch and having issues. Cisco Catalyst 2950 Series Switches with Cisco Standard Image and Enhanced Image 10/100 BASE-T. Fast & Free shipping on many items!. The correct settings for a Cisco Catalyst console port is 9600 baud, 8 data bits, parity none, 1 stop bit, flow-control none or xon/xoff. 3. The switch ports FastEthernet 0/6 and 0/8 are connected with a Cisco IP phone, and the access port on both the IP phones is connected to the PC. see link. switchport mode trunk. A packet storm occurs when a large number of broadcast, unicast, or multicast packets are received on a port. Manufacturer Part Number: WS-C2950ST-8-LRE= Device Type: Switch - 8 ports - managed - stackable. Learn how to use port LEDs (link lights) on Cisco Catalyst switches to identify port status and troubleshoot port-specific issues. Connect the other end of the cable to the switch console port. The supplied RJ-45-to-DB-9 adapter cable is used to connect the console port of the switch to a console PC. Cisco Business CBS350-8P-E-2G Managed Switch 8. • Port number—The number of the physical port on the switch. Cashback 1%. Catalyst 2950 switch with Cisco IOS® Software Release 12. Overview. 000 VND . 168. C9200, C9300, 2960X and more. g. You will need a layer 3 device like router on a stick. Table 22-124: Technical Specifications for Cisco Catalyst 2950 Series Description Specification Performance 8. The Cisco Catalyst 2950 24 Switch is now obsolete (past End-of-Life and End-of-Support status). So went ahead and configured my station's Cisco 2950 24 port for my AREDN setup (work in progress). The Cluster Management software appends the member switch number (@esN, where N is the switch number) to the first configured RW and RO community strings on the command switch and propagates. Dlink DSS-24 switch. Mark as New; Bookmark; Subscribe;. Step 2 : Start Internet Explorer 10 (or later), Firefox 2. Press and hold the Mode button, as shown in Figure 1, until the four LEDs next to the. $27. 700. com. Note: Unlike the 2900XL and 3500XL Series switches, the Cisco Catalyst 2940, 2950, 2955, 2970, 3550, 3560 and 3750 Series switches support SPAN on source port traffic in the receive direction only (Rx SPAN or ingress SPAN), in the transmit direction only (Tx SPAN or egress SPAN), or both. 1q encapsulation: Switch(config)# monitor session 1 destination interface Fa. you need to have it disabled on the vlan. 2. System LED Port Mode LEDs. The big difference between a 3550 and a 2950 is that the 3550 is a layer 3 switch that supports inter-vlan routing whereas the 2950 is only a layer 2 switch. Contact Cisco. 3AB.