Port Mirroring Cisco Router

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Using standard 10G fiber or copper connections, the Cisco 550 Series supports both local and horizontal stacking deployments and the flexibility of ring or. Designed specifically for small businesses, it delivers a comprehensive combination of business-class features and ease of use in one affordable solution. com's 10th Anniversary?. port mirroring with wireshark. First I've updated the SRW2048 to the latest firmware 1. Overview of Troubleshooting Tools in Cisco Switches and Routers Port Mirroring Tools SPAN, RSPAN, ERSPAN to and from a Cisco router –Supported in Cisco. 0 Beta there is a map interface which supports visual design of your network. Port Mirroring is a Great Feature that some Routers and Switches have Built-in to Mirror packets/Traffic to another Port in Order to Capture, Analyze and Monitor Interface & Network Bandwidth using a Packet Sniffer/Analyzer - [ How-To TUTORIAL & LAB INSIDE!. However if you are using a cisco switch to connect your router to your host, you can mirror (it's called 'Span port' on new switches) a port or a vlan to another port and sniff the data there. The Cisco 2801 2-Port 10/100 Wired Router was released in the year 2004. We have a switch which sits between a router and a server. Welcome to the "Cisco Router Configuration for Beginners: Zero to Hero". For instance, assume the following: You configure your PowerConnect 33xx so that port 1 is in general mode with a VLAN ID of 7 and a PVID of 7. In Nokia (Alcatel-Lucent) world, mirroring term corresponds "Service Mirroring". This monitor mode can dedicate a port to connect your (Wireshark) capturing device. port-channel-protocol LACP port-channel 103 mode active no shutdown!! interface ManagementEthernet 0/0 no ip address shutdown! interface Port-channel 103 no ip address portmode hybrid switchport no shutdown! interface Vlan 1 ip address dhcp!untagged TenGigabitEthernet 0/1,4,8-17,20,24-32!untagged Port-channel 103 no shutdown!! interface Vlan. We're including instructions for Cisco routers because they continue to be the most popular brand of enterprise routers and network switches. For each flow of data the router sends a netflow packet with connection and bandwidth information to a monitoring system running PRTG. Port 44 is connected to a 2nd Cisco router, Port 1 is connected to the 1st Cisco router. 1 being the source and 2 Cisco Port Mirroring - Networking - Spiceworks. NOTE: Cisco is not responsible for any damages. After Version2. Step 6: interface interface-type interface-number The view of the mirrored port is displayed. VLAN mirroring: Traffic from a VLAN can be mirrored to a port for analysis with a network analyzer or RMON probe. SPAN is important to mirror received or transmitted (or both) traffic on one or more source ports to a destination port for analysis. HTH, Please rate if it does. Up to 8 source ports can be mirrored to one destination port. Configuring the Check Point Gateway for Port Mirroring. The Switched Port Analyzer (SPAN) feature, which is sometimes called port mirroring or port monitoring, selects network traffic, from a switched port, for analysis by a network analyzer. You can designate a port for monitoring traffic of one or more other ports or of a single VLAN configured on the HP ProCurve 2500 Series Switches. 2, on routers containing an Internet Processor II application-specific integrated circuit (ASIC) or T Series Internet Processor, you can send a copy of an IP version 4 (IPv4) or IP version 6 (IPv6) packet from the router to an external host. Connect your internet router to Port 0. Deploy your sensors for switches or routers that will not exceed the sensor's Mirror port capacity. Port Mirroring Tools SPAN, RSPAN, ERSPAN, FSPAN CLI-based commands Show, Debug, Ping Network Management Tools Netflow Gain knowledge on the capabilities of Cisco switches/routers in terms of various packet capturing tools. As you can understand from the maining, basically, mirroring means copying the same data to another place that we can analyze. - - The CyberData 2-Port PoE Gigabit Port Mirroring Switch enables users of a network attached device to split a single 802. Let's say I want to mirror port 1 to port 2. Capturing packets on wifi devices. This function allow network administrator to capture datagram of a specific port to monitor the network or troubleshoot. In the Mirror Source field, check the appropriate port check boxes. In the case of Cisco. Note: You cannot use the WAN port as a mirror port. This process of opening a port is frequently called. Port Mirroring can be configured using CLI as following steps 1. 3at PoE powered Gigabit Ethernet port into two Gigabit Ethernet ports for diagnostics purposes while still maintaining a PoE connection to the attached device. If you mirror the port that is connected to the router, it is exactly the same thing as having a router with port mirroring. Under "Port mirroring"->"Mirroring Mode" click the drop down and select "Source". Let's say I want to mirror port 1 to port 2. The other RSP, when present, acts only like a failover device. Setting up an analyzer, or SPAN, port on a Juniper EX switch is a pretty straightforward process. Get the best deal for 24 Port Wireless Routers from the largest online selection at eBay. The destination port will. I n order to enable and configure a mirrored port or range of ports, navigate to Switch > Monitor > Switch Ports. And in a router, what can I do to copy the traffic?. In this example, the packet flow follows this path:. I could not see any options in the GUI interface. 3ad Link aggregation with up to 8 ports per aggregate, Multichassis aggregates supported on stacked switches Port mirroring. Which of the following allows traffic on one port to be mirrored to another port on the same switch? a. Up to 4 source ports can be mirrored to one destination port. Este debe ser el puerto del que queremos leer el tráfico. Setting up the same thing on an MX80 is a little bit of a pain. What if you are already using WCCP for Cisco waas on the same routers that you need to use. Solution: Just use Port Mirroring Port Mirroring is a method of monitoring network traffic that forwards a copy of each incoming and/or outgoing packet from i have a device that connects wireless to my linksys 4200 router. Assigns a specific port to copy all packets to. Now, configure your router/switch to mirror all packets to/from the router to the Sinefa SPAN Port. This means that this mirror port will receive copies of all packets on the corresponding original port, while the original traffic won't be affected. Along with traffic and bandwidth, you can also monitor the device. Cisco 350 Series Switches have been rigorously tested to help ensure easy integration and full compatibility with these and other products, providing a complete business solution. The backup runs at gigabit. This process is commonly used for network appliances that are required to monitor network traffic, and analyze and debug data or diagnose errors on a network. Previous message: [Ntop] How to get protocol statistics with port address translation Next message: [Ntop] Cisco Port mirror and NTOP Messages sorted by:. The Cisco® RV215W Wireless-N VPN Router provides simple, affordable, highly secure, business-class connectivity to the Internet from small and home offices and remote locations. Leading Huawei networking products distributor - Huanetwork. WAN, Routing and Switching. Read More. Wired Routers PAT) One-to-one NAT Port management Port mirroring Software-configurable DMZ to Cisco RV345P Router - 18 Ports - Management. This course is designed for beginners who want to enter in the world of Cisco devices configurations. 11b/g/n - desktop overview and full product specs on CNET. If you do not know the IP address of the remote VPN router, select IP by DNS Resolved, and enter the real domain name of the router. by -Q-240248 · 12 years ago In reply to port monitor/mirror on li I doubt the lil router you mentioned has that kind of functionality. Click Save. Port mirroring means duplicating the traffic from a port (or an entire VLAN) to another port. This function allow network administrator to capture datagram of a specific port to monitor the network or troubleshoot. Basically we need a cloud router to be configured for port mirroring and for a separate guest LAN to be configured as well specifically from Cloud router for traffic analysis. Assigns a specific port to copy all packets to. This enables port 16 to be used as the Switch’s uplink port. Implementations needing a system TCP port number may use port 860, the port assigned by IANA as the iSCSI system port; however in order to use port 860, it MUST be explicitly specified - implementations MUST NOT default to use of port 860, as 3260 is the only allowed default. Monitor Port utilization and traffic with threshold alerts. The lineup includes the RV340 dual WAN/4 LAN port, RV345 dual WAN/16 LAN port and the RV345P dual WAN/16 LAN port router with 8 Power over Ethernet (PoE) ports. Various switch manufacturers each have their own names for the technology. Step 7: port-mirroring to observe-port index { both | inbound | outbound } Remote port mirroring is configured. Cisco Snmp Tool is a Freeware Cisco Configuration Management Application. Learn how to configure your Cisco router to capture network packets through any interface using the Cisco IOS Embedded Packet Capture (EPC). When the port mirroring option is enabled on the PowerConnect 3348, the 'destination' port's traffic is tagged (IEEE 802. This monitor mode can dedicate a port to connect your (Wireshark) capturing device. In this example, the packet flow follows this path:. Ability to choose the right tool to troubleshoot, which helps for timely resolution of the problem. Check C1111-8P price from the latest Cisco price list 2019. Port Mirroring on IP Phone. The router is very important, so we are not allowed to enable Netflow on the router itself. Connect a Router or Switch NOTE TO USERS OF THE 10/100 16-PORT SWITCH: The 10/100 16-Port Switch is equipped with a crossover button labeled MDI/MDIX. On this page select the ports that are intended for mirroring and hit the Mirror button: Next, enter the destination port for the mirror session. Cisco 2921 Cisco2921k9 Router W Data License Sl-29-data-k9 6mthwtytaxinv. Select ports or VLAN for to turn monitoring ON:. If I remove the NAS from the mirror. Cisco Intelligent Proximity—Networking Requirements Intelligent Proximity for Content Sharing allows you to automatically pair your mobile devices, for example a phone, laptop or a phone with Cisco’s room-based video collaboration systems. The firewall does this by actively blocking all incoming and outgoing Internet connections unless you specify otherwise. The 'no switchport' command would disable that functionality. Port mirroring selects network traffic from specific ports for analysis by a network analyzer, while allowing the same traffic to be switched to its destination. gRPC library for Cisco IOS XR. But if you tell us what it is you want to do, there are. Port mirroring is used on switches to forward (mirror) all frames to a specified port usually for the ability to "sniff" all packets traversing the switch. It is also a Cisco proprietary routing protocol – which means that all routers in your network must be Cisco routers in order to run IGRP. IT administrators throughout the world have grown to realize the importance of monitoring IT networks in real-time. Router(config)# privilege exec level 14 show ip route Router(config)# enable algorithm-type scrypt secret level 14 cisco-level-10 Router(config)# username ADMIN privilege 14 algorithm-type scrypt secret cisco-level-10. It's been awhile since I've reviewed a Cisco small business router, going back to the RV320 in 2014. After Version2. Cisco Enterprise Routers. You can configure many switch ports as source ports and one switch port as a destination port. In Nokia (Alcatel-Lucent) world, mirroring term corresponds “Service Mirroring”. The firewall does this by actively blocking all incoming and outgoing Internet connections unless you specify otherwise. If you have a 3G Network Extender:. Mirroring is also a troubleshooting tool for these activities. Unlike switches that claim to be stackable but have elements that are administered and troubleshot separately, the Cisco 350X Series provides true stacking capability, allowing you to configure, manage, and troubleshoot multiple physical. I have been tasked with the maintenance of a proprietary target driver that interfaces with the FreeBSD kernel to do offsite data mirroring at the block level. That means we can conclude with only one physical NIC and VM setup we won't be able to use our SO. In the Mirror Source field, check the appropriate port check boxes. Additional router configuration may be needed due to firewall settings or other custom settings. I could not see any options in the GUI interface. Download Cisco Linksys BEFSX41 Instant Broadband Etherfast Cable/DSL Firewall Router with 4 Port-Switch/VPN EndPoint Fi. An administrator configures port mirroring by assigning a port from which to copy all packets and another port to which those packets will be sent. Results matching fewer words. Question regarding Wireshark and port mirroring. The Switched Port Analyzer (SPAN) feature, which is sometimes called port mirroring or port monitoring, selects network traffic, from a switched port, for analysis by a network analyzer. Edit the Primary Source by clicking on the pencil icon next to it and check the 'Use Subnets' option. Myrv writes "Reports have started popping up that Cisco is pushing out and automatically (without permission) installing their new Cloud Connect firmware on consumer routers. With its wide range of features, PRTG Network Monitor makes it easy to monitor your router traffic around the clock, log network activities, and calculate network utilization. VLANs maybe be better to achieve this Mikrotik Cloud routers support VLAN port mirroring. Usually the TRex number of active flows is much lower than that of the router because the router ages flows slower. Port Mirroring on cisco switch. Now let´s learn how to configure the Port Mirror on TP-Link routers: 1. Connect your internet router to Port 1. It's been awhile since I've reviewed a Cisco small business router, going back to the RV320 in 2014. There is a single command that can set both of these options – Logging buffered debugging. Cisco recommends different methods for setting up port mirroring with SPAN according to the version of the Catalyst switch. Under "Port mirroring"->"Mirroring Mode" click the drop down and select "Source". Using the switch management, you can select both the monitoring port and assign a specific port you wish to monitor. Network administrators configure port mirroring by selecting a specific port to copy all packets, and different ports from which the packets are copied. Next, go to Settings -> Utilization. Suggested Mounting Hardware 4-5 mm 1-1. Step 6: interface interface-type interface-number The view of the mirrored port is displayed. This is known as port mirroring. Assigns a specific port to copy all packets to. The ASR 1000 supports ERSPAN source (monitoring) only on Fast Ethernet, Gigabit Ethernet, and port-channel interfaces. 1 and I need to mirror the port that my router is in to the port that my Surf Control server is in. This is a "lightly-managed" switch with a web interface. All Cisco Catalyst switches support the Switched Port Analyzer (SPAN) feature which copies traffic from specified switch source ports or VLANs and. See the following for detailed information about port mirroring on a number of third-party network devices. Learn how to configure your Cisco router to capture network packets through any interface using the Cisco IOS Embedded Packet Capture (EPC). Cisco CCNP R&S: SWITCH online training course provides knowledge and skills needed to create an efficient and expandable enterprise network. I have a Cisco WS-C2960S-24TS-S switch and would like enable a port mirror for network analyzer (such as Snort). The Cisco Switch Port Analyzer, or SPAN, enables advanced network troubleshooting and the implementation of robust monitoring solutions. Forthemore it can stop showing those packets at all, and starts again after i unplug and plug NMS cable phisycally. the following command donot show any stats:. This talk will discuss the implementation of that kernel mode driver and the process my employer went through to implement a robust and flexible appliance. The RV130 VPN Router from Cisco comes equipped with four Gigabit Ethernet ports and one Gigabit WAN port allowing you to take advantage of enhanced data transfer rates. The Cloud Router Switches support three types of mirroring. When you configure Cisco IOS routers to send log data to USM Anywhere, you can use the Cisco Router plugin to translate the raw log data into normalized events for analysis. I used the config tree and went into the eth2 port I want mirror traffic from and put the destination eth4 port. 0 Beta there is a map interface which supports visual design of your network. Configure Port Mirroring function on the switch. Cisco Snmp Tool is a Freeware Cisco Configuration Management Application. 1 Series Smart Switch Administration Guide 4 Contents Displaying LLDP Port Status 90 Displaying LLDP Local Information 92 Displaying LLDP Neighbors Information 96 Accessing LLDP Statistics 101 LLDP Overloading 102 Chapter 8: Port Management 106 Configuring Ports 106 Port Management Workflow 106. A continuación vamos a ver cómo elaborar una configuración de port mirroring en un switch de Cisco Systems. Port Mirroring, also known as SPAN (Switched Port Analyzer), is a method of monitoring network traffic. But if you tell us what it is you want to do, there are. We’re including instructions for Cisco routers because they continue to be the most popular brand of enterprise routers and network switches. Cisco IOS XR Interface and Hardware Component Configuration Guide for the Cisco CRS Router. Previous message: [Ntop] How to get protocol statistics with port address translation Next message: [Ntop] Cisco Port mirror and NTOP Messages sorted by:. VAT) Add to Basket; Cisco Small Business RV320 Router – 4-port GigE switch MPN: RV320-K9-G5 £ 201. Through the rest of the article I'll refer to the technology as 'spanning'. Port Mirror could duplicate the datagram transmitted through Mirrored Port to Mirroring Port. Configuring a Cisco Catalyst Switch SPAN mirroring port For Network Engineers, the ability to mirror switch traffic and send it to a sniffer for analysis is an essential troubleshooting technique. All Cisco Catalyst switches support the Switched Port Analyzer (SPAN) feature which copies traffic from specified switch source ports or VLANs and. Cisco calls their mirroring function "SPAN (Switched Port ANalyzer)", which is why the two terms have become interchangeable. If the printer does not have an Ethernet connection, then you have to go with the switch plus print server solution. Il est courant de faire du port mirroring sur un switch, mais on pense moins souvent à le faire sur un routeur alors que ça peut aussi être utile sans pour autant être plus compliqué. The new firmware removes the user's ability to login and administer the router locally. I will show you the how to do a Password Recovery Procedure for Cisco Routers without losing current SAVED configuration. Home traffic monitoring via mirror port on switch My Linksys WRT1900ACS has some rudimentary metrics programs for it to monitor traffic, but I haven't had much luck with any. The router is very important, so we are not allowed to enable Netflow on the router itself. Port mirroring is the capability on a network switch to send a copy of network packets seen on a switch port to a network-monitoring device connected to another switch port. In Nokia (Alcatel-Lucent) world, mirroring term corresponds “Service Mirroring”. I want to sniff the network traffic. The Cisco 2500 series routers are a series of 19" rack mount access routers typically used to connect Ethernet or token ring networks via ISDN or leased serial connections. Cisco Small Business RV130W Wireless Router Product Description. Network administrators configure port mirroring by selecting a specific port to copy all packets, and different ports from which the packets are copied. On the network diagram it is shown in green color (Monitored port). You might bump into one way or no audio issues when deploying 4000 series routers in a locked down environment where firewalls or ACLs are heavily restricting traffic. Also, you want to make sure your buffer is big enough. There is GRE tunnel between these routers, I use static routing. You can do it for traffic entering the switch, exiting the switch or both directions. Forwards a copy of each incoming and outgoing packet to a specific port. We’re including instructions for Cisco routers because they continue to be the most popular brand of enterprise routers and network switches. This instructs the probe to use the LAN subnets defined in the previous step to determine packet direction. This is the port where all the data from the mirror sources arrives. ) If you're able to configure the router to mirror traffic, then you can attach a laptop to that port, and then use sniffing software to analyze the traffic. Port 44 is connected to a 2nd Cisco router, Port 1 is connected to the 1st Cisco router. Cisco SG250-26HP 26 Port Gigabit PoE (SG250-26HP-K9-UK) at great prices. Typically, you need to work with the networking or virtualization team to configure port mirroring. I would like to point out one thing. What you have to do then, is to connect the wireless router’s Ethernet port to the switch and then plug your printer to the print server and the print server to the switch. Unlike switches that claim to be stackable but have elements that are administered and troubleshot separately, the Cisco 350X Series provides true stacking capability, allowing you to configure, manage, and troubleshoot multiple physical. NOTE: Many firewalls support NetFlow, including Cisco ASA firewalls and Cisco Meraki MX Appliances. I set a port forwarding rule up just to test it but no luck port 21 to a static ip on the lan disabled all firewalls rules on the workstation just to test. My connection. Previous message: [Ntop] How to get protocol statistics with port address translation Next message: [Ntop] Cisco Port mirror and NTOP Messages sorted by:. The Cisco 2500 series routers are a series of 19" rack mount access routers typically used to connect Ethernet or token ring networks via ISDN or leased serial connections. In local port mirroring, the mirroring port or ports and the monitor port are located on the same device. Connectivity is now down between the central and remote site. Gain advanced skills to create an efficient and expandable enterprise network using Layer 2 and multilayer switches. Port Mirroring or Monitoring Cisco 857 Router. A Cisco router that was providing Frame Relay connectivity at a remote site was replaced with a different vendor's frame relay router. Along with traffic and bandwidth, you can also monitor the device. This monitor mode can dedicate a port to connect your (Wireshark) capturing device. Check C1111-8P price from the latest Cisco price list 2019. In Nokia (Alcatel-Lucent) world, mirroring term corresponds “Service Mirroring”. If you use a port for STEP 3 mirroring, do not use it for any other traffic. The default value for Phase 1 is 28800 seconds. WAN Ports: 1 x 10/100/1000Mbps LAN Ports: 4 x 10/100/1000Mbps Protocols: Network Protocols Dynamic Host Configuration Protocol (DHCP) server Point-to-Point Protocol over Ethernet (PPPoE) Point-to-Point Tunneling Protocol (PPTP) Layer 2 Tunneling Protocol (L2TP) DNS proxy DHCP relay agent IGMP Proxy and multicast forwarding Rapid Spanning Tree. The router is very important, so we are not allowed to enable Netflow on the router itself. Additional router configuration may be needed due to firewall settings or other custom settings. Port mirroring is to copy the packets passing through a port (called a mirroring port) to another port (called the monitor port) connected with a monitoring device for packet analysis. It seems to run at 500mbit. As you can understand from the maining, basically, mirroring means copying the same data to another place that we can analyze. The ASR 1000 supports ERSPAN source (monitoring) only on Fast Ethernet, Gigabit Ethernet, and port-channel interfaces. However if you are using a cisco switch to connect your router to your host, you can mirror (it's called 'Span port' on new switches) a port or a vlan to another port and sniff the data there. For your router interfaces the following example will set speed, duplex and IP configuration information for the interface FastEthernet 0/0 (notice the interface reference as slot/port). For instance, assume the following: You configure your PowerConnect 33xx so that port 1 is in general mode with a VLAN ID of 7 and a PVID of 7. Hierfür stelle ich weiter unten eine kleine Lösung vor. This is known as port mirroring. The cheap $20 consumer switches cannot do this. Windows Small Business Server 2008: Router Setup Proper inflow and outflow of network traffic requires careful setup of the device that directs the traffic - your router. When capturing traffic on a cisco switch on destination port of mirrored port with wireshark, does my laptop needs an ip Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The first two are GUI tools and the latter is a CLI …. VAT) Add to Basket; Cisco Small Business RV345 Router MPN: RV345-K9-G5 £ 257. Dear Friends, Any one the best configuration of port mirroring of router 7602. Port Mirroring, also known as SPAN (Switched Port Analyzer), is a method of monitoring network traffic. by -Q-240248 · 12 years ago In reply to port monitor/mirror on li I doubt the lil router you mentioned has that kind of functionality. Configuring Traffic Mirroring on the Cisco IOS XR Software. For port mirroring, configure port mirroring for each domain controller to be monitored, as the source of the network traffic. Port mirroring, as it's also called, is required to deploy in-depth network monitoring. I am looking to sniff some traffic on my small business network. When you configure Cisco IOS routers to send log data to USM Anywhere, you can use the Cisco Router plugin to translate the raw log data into normalized events for analysis. I recently purchased a Cisco SG 200-26 gigabit switch to upgrade the office infrastructure. For each flow of data the router sends a netflow packet with connection and bandwidth information to a monitoring system running PRTG. The distance between the slots is 152 mm (6 inches). Home traffic monitoring via mirror port on switch My Linksys WRT1900ACS has some rudimentary metrics programs for it to monitor traffic, but I haven't had much luck with any. In this example, the packet flow follows this path:. Two screws are needed to mount the Router. Learn how to set up port forwarding on your Xfinity Gateway. This function allow network administrator to capture datagram of a specific port to monitor the network or troubleshoot. Enter the beauty of Cisco managed switches. I have two routers (Cisco ISR4331 in the HQ and Netgear(with pfSense) in one of branch offices. So effectively I needed to setup port mirroring from a physical network port to a VMWare ESXi virtual machine. I understand from the Cisco website that my 877 router supports SPAN, so that I can select a FastEthernet port on the router to mirror traffic to another FastEthernet port on the router (where my laptop is connected). Port mirroring selects network traffic from specific ports for analysis by a network analyzer, while allowing the same traffic to be switched to its destination. Suggested Mounting Hardware 4-5 mm 1-1. First I've updated the SRW2048 to the latest firmware 1. Connectivity is now down between the central and remote site. When the port mirroring option is enabled on the PowerConnect 3348, the 'destination' port's traffic is tagged (IEEE 802. For ATA to see the network traffic, you must either configure port mirroring, or use a Network TAP. How can connect Pfsense + Cisco 1712 + Cisco 2960 and How can I configure them so that I can achieve the following:. [Ntop] Cisco Port mirror and NTOP Brian Worrell BWORRELL at iumg. High-capacity, high-performance, with dual and quad WAN ports, and up to 16 LAN ports. What if you are already using WCCP for Cisco waas on the same routers that you need to use. I want to sniff the network traffic. For ATA to see the network traffic, you must either configure port mirroring, or use a Network TAP. For instance, assume the following: You configure your PowerConnect 33xx so that port 1 is in general mode with a VLAN ID of 7 and a PVID of 7. Network engineers or administrators use port mirroring to analyze and debug data or diagnose errors on a. Following is a more detailed description of what we'd like to do and the problems we're having. While in documentation you might find it called port mirroring, sessions mapping, or spanning, they all mean one thing - you can duplicate port traffic. I too am having trouble getting port mirroring to work as I expect. Different switch manufacturers have their own names for port mirroring, including Switched Port Analyzer, as coined by Cisco. Set up SPAN on the switch. Port Mirroring can be configured using CLI as following steps 1. Step 6: interface interface-type interface-number The view of the mirrored port is displayed. The distance between the slots is 152 mm (6 inches). Using standard 10G fiber or copper connections, the Cisco 550 Series supports both local and horizontal stacking deployments and the flexibility of ring or.