If the sniffing device or PC network interface card (NIC) does not understand 802.1Q-tagged packets, the device can drop the packets or have difficulty as it tries to decode the packets. The ERSPAN feature supports source ports, source VLANs, and destination ports on different switches, which provides remote monitoring of multiple switches across your network. For newer models (5.0-5.4), look here. The following example configuration includes three ingress ports, three egress ports and four destination ports. Therefore, when you consider this architecture, the SPAN feature has no impact on the performance. View with Adobe Reader on a variety of devices, View in various apps on iPhone, iPad, Android, Sony Reader, or Windows Phone, View on Kindle device or Kindle app on multiple devices, Catalyst Switches That Support SPAN, RSPAN, and ERSPAN, SPAN on the Catalyst 2900XL/3500XL Switches, Features that are Available and Restrictions, Sample Configuration on the Catalyst 2900XL/3500XL, SPAN on the Catalyst 2948G-L3 and 4908G-L3, SPAN on the Catalyst 2900, 4500/4000, 5500/5000, and 6500/6000 Series Switches That Run CatOS, PSPAN, VSPAN: Monitor Some Ports or an Entire VLAN, Monitor a Subset of VLANs That Belong to a Trunk, Setup of the ISL Trunk Between the Two Switches S1 and S2, Configuration of Port 5/2 of S2 as an RSPAN Destination Port, Configuration of an RSPAN Source Port on S1, Other Configurations That Are Possible with the set rspan Command, SPAN on the Catalyst 2940, 2950, 2955, 2960, 2970, 3550, 3560, 3560-E, 3750 and 3750-E Series Switches, SPAN on the Catalyst 4500/4000 and Catalyst 6500/6000 Series Switches That Run Cisco IOS System Software, Performance Impact of SPAN on the Different Catalyst Platforms, Frequently Asked Questions and Common Problems, Connectivity Issues Because of SPAN Misconfiguration. Complete the configuration as described in Table 169. This port is called a SPAN port. See the Create Several Simultaneous Sessions and Feature Summary and Limitations sections of this document. What happened to Aham and its derivatives in Marathi? Every line card in the switch starts to store this packet in internal buffers. Why did you choose not to use DirectPath I/O? Some of their ports are configured to be destination for an RSPAN session. multicast enable/disable As the name suggests, this option allows you to enable or disable the monitoring of multicast packets. The Catalyst 2970, 3560, and 3750 Switches do not require the configuration of a reflector port when you configure an RSPAN session. Therefore, the sniffer does not see this traffic: In this configuration, the sniffer only captures traffic that is flooded to all ports, such as: Multicast traffic with CGMP or Internet Group Management Protocol (IGMP) snooping disabled. Remi: I get alerted for the tags fortinet and fortigate, so I came here. Has Microsoft lowered its Windows 11 eligibility criteria? The default is enable. I could do it with a passive network tap, of course; but it seems really strange to me that the 100D doesn't seem to expose an easy way to do this. Reflector Port A port that copies packets onto an RSPAN VLAN. The switch floods the packets to all the ports in the destination VLAN. The destination SPAN port does not run the STP, and you can end up in a dangerous bridging-loop situation. Navigate to the port forwarding section of your router. Here, the mirrored ports are assigned to VLANs 1, 2, and 3. is there a chinese version of ex. Refer to these configuration guides for more information on the configuration of SPAN and RSPAN: Configuring SPAN and RSPAN (Catalyst 2950 and 2955), Configuring SPAN and RSPAN (Catalyst 2960), Configuring SPAN and RSPAN (Catalyst 3550), Configuring SPAN and RSPAN (Catalyst 3560), Configuring SPAN and RSPAN (Catalyst 3560-E and 3750-E), Configuring SPAN and RSPAN (Catalyst 3750). Required fields are marked *. 1 The Catalyst 2940 Switches only support local SPAN. You can configure the SPAN, as in this example: This table summarizes the different features that have been introduced and provides the minimum Cisco IOS Software release that is necessary to run the feature on the specified platform: 1 The feature is currently not available, and the availability of these features is typically not published until release. 3. Making statements based on opinion; back them up with references or personal experience. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? To create a virtual domain: In the Device Manager tab, display the device dashboard for the unit you want to configure. Enter the IP address of your device in your router in the correct box. Each local SPAN session or RSPAN destination session must have a destination port (also called a monitoring port) that receives a copy of traffic from the source ports and VLANs. The following example configuration is valid for FortiSwitch-3032D. Whether one or several ports eventually transmit the packet has absolutely no influence on the switch operation. In the example in this section, the packet is to be transmitted to two different ports, so the counter initializes to 2. Issue thesnoop command in order to set up port-based traffic mirroring, or snooping. Therefore, you cannot have two SPAN sessions that use the same destination port. The configuration of a non-existent VLAN as an ingress VLAN is not allowed. This example illustrates this ability to specify more than one port. However, a static-access port can monitor a VLAN on a trunk, a multi-VLAN, or a dynamic-access port. Similarly, when you see a corrupted packet on your sniffer in the scenario in this section, you know that the errors were generated at step 3, on the egress segment. The switch supports any number of source ports (up to the maximum number of available ports on the switch) and any number of source VLANs. A sniffer eventually captures the traffic. With this limitation in mind, I came up with a solution. Visit Stack Exchange Tour Start here for quick overview the site Help Center Detailed answers. Introduction: Switch port Analyzer (SPAN) is an efficient, high performance traffic monitoring system. When you configure a SPAN session to monitor the port, the destination interface shows the state down (monitoring), by design. ), Ive probably got this covered elsewhere on the site, but the core switch is Cisco so I just created a trunk port, and allowed ALL VLANs, (because Im lazy, in production, you might want to lock that down a little!). Select Create. If you no longer need this, you should be able to enter the no monitor session service module command from within the config mode of CAT6500, and then immediately enter the new desired SPAN configuration. So I needed to create TWO sub interfaces on the FortiGate (on port3).. Remi: I get alerted for the tags fortinet and fortigate, so I came here. In order to begin, put the same VLAN Trunk Protocol (VTP) domain on each switch and configure one side as trunking desirable. Like so, Network > Interfaces > {Physical Interface} > Create New > Interface. This document describes the recent features of the Switched Port Analyzer (SPAN) that have been implemented. I appear to notice that only tagged ports or vlans on the physical switch are hitting the guest untagged ports that are being mirrored do not. In this case, the port I am using as the source is a link between two switches (the one in my study and the switch in the garage where the servers are). My Switch isnt Cisco its HP/Aruba!Then you simply TAG the VLANs required to the uplink see this article. Click Create New to create a new VDOM. By default the system may have a hardware switch interface called LAN. Connect the spare NIC to a port on the same switch as the port you want to monitor. monitor session 1 destination interface Gi1/0/16 Learn more about how Cisco is using Inclusive Language. DevOps & SysAdmins: Network Tap (SPAN port) on FortiGate 100D (FortiOS 4.0MR3) (2 Solutions!!). This document answers the most common questions about SPAN, such as: What is SPAN and how do you configure it? In this case, issue the port monitor interface command in order to list the source ports that you want to monitor. Multiple ingress or egress ports can be mirrored to the same destination port. To create a VLAN for the lab go to Network -> Interfaces, then select the interface that the VLAN for the tunnel is going to be and click on Create New. Currently, a switch can only be the source for one RSPAN session, which means that a source switch can only feed one RSPAN VLAN at a time. No. There is a possibility that one or more of the ports that are monitored also experience a slowdown. fairport electric billing. Can a SPAN and an RSPAN Session Have the Same ID Within the Same Switch? Select to mirror traffic received, traffic sent, or both. Select the destination port to which the mirrored traffic is sent. Connect and share knowledge within a single location that is structured and easy to search. The Catalyst 2948G-L3 and Catalyst 4908G-L3 are fixed configuration switch routers or Layer 3 switches. A port used as a reflector port cannot be a SPAN source or destination port, nor can a port be a reflector port for more than one session at a time. Press J to jump to the feed. All the interswitch links that are drawn here are trunks, which is a requirement for RSPAN. This lab will show you how to mirror traffic from a physical switch to your security onion IDS vm in vMware. In order to prevent loops, the STP has been maintained on the RSPAN VLAN. Aha, nevermind. The traffic that is monitored by SPAN is not directly copied to the destination port, but flooded into a special RSPAN VLAN. I could do it with a passive network tap, of course; but it seems really strange to me that the 100D doesn't seem to expose an easy way to do this. As this document states, a port that you configure as the SPAN destination still belongs to its original VLAN. On the Catalyst 2900XL/3500XL Series Switches, the number of destination ports that are available on the switch is the only limit to the number of SPAN sessions. This feature is available on the Catalyst 5500/5000 and 6500/6000 Switches, code version CatOS 5.1 or later. Note: Even when the inpkts option prevents the loop, the configuration that this section shows can cause some problems in the network. With this issue, the Virtual Private Network (VPN) module is inserted into the chassis, where a switch fabric module has already been inserted. Complete these steps to configure the SPAN: You can download CNA from theDownload Software (registered customers only) page. Destination EtherChannels do not support the Port Aggregation Control Protocol (PAgP) or Link Aggregation Control Protocol (LACP) EtherChannel protocols; only the on mode is supported, with all EtherChannel protocol support disabled. end. In FortiGate 6.2 and FortiSwitch 6.2 ERSPAN is supported and will likely meet your requirement. Select the SPAN checkbox, then select a source port from which you want traffic mirrored. The Switch Port Analyzer (SPAN) feature is now available for hardware switch interfaces on FortiGate models with built-in hardware switches (for example, the FortiGate-100D, 140D, and 200D etc.) If a destination port belongs to a source VLAN, it is excluded from the source list and is not monitored. 24h/24 - 7j/7. Connect a VM running a sniffer to the Port Group 8. How to SPAN a physical port to a Virtual Machine, VMware Fusion Labs Part III Adding Storage, Labs and Simulation on VMware Fusion Part II, Labs and Simulation on VMware Fusion Part I. After this forwarding table is built, the switch forwards traffic that is destined for a MAC address directly to the corresponding port. This document is not intended to be an alternate configuration guide for the SPAN feature. Select Add. Previously, SPAN was a relatively basic feature on the Cisco Catalyst Series switches. The show rspan command gives a summary of the current RSPAN configuration on the switch. The Catalyst 2950 and 3550 Switches can forward traffic on a destination SPAN port in Cisco IOS Software Release 12.1(13)EA1 and later. Packets only enter the RSPAN VLAN in switches that are configured as RSPAN source. error message. When a VLAN filter list is specified, only those VLANs in the list are monitored on trunk ports or on voice VLAN access ports. Be careful that a port in the monitor state does not run the Spanning Tree Protocol (STP) while the port still belongs to the VLAN of the ports that it mirrors. The FortiSwitch unit assigns the uplink port and the dst port. In the diagram in this section, satellite 1 knows that the packet X is to be received by satellites 3 and 4. Thanks for sharing. 6. Would the reflected sun's radiation melt ice in LEO? I didnt know how FortiGate handled this, so I fired it up on the test bench to test FortiGate Sub Interfaces. When A generates a frame that is destined for B, the packet is copied by an application-specific integrated circuit (ASIC) of the Catalyst 6500/6000 Policy Feature Card (PFC) into a predefined RSPAN VLAN. Technical Note: SPAN (Port Mirroring) using ports associated to underlying switch chip/driver. Why Are You Unable to Capture Corrupted Packets with SPAN? All other ports see the traffic between hosts A and B: On a switch, after the host B MAC address is learned, unicast traffic from A to B is only forwarded to the B port. See View system dashboard for managed/logging devices for more information. Use a list of one or more VLANs as a source, instead of a list of ports: With this configuration, every packet that enters or leaves VLAN 2 or 3 is duplicated to port 6/2. In this section, you'll SSH to the virtual machines through the inbound NAT rules and install a web server. For instance, there is no way to distinguish on the destination port whether a packet comes from port 6/4 in VLAN 2 or port 6/5 in VLAN 1. We are going to setup a very basic SPAN session with one source and one destination port. You must create this VLAN. Select the SPAN check box, then select a source port from which traffic will be mirrored. Ingress trafficTraffic that enters the switch. To enable SPAN on a hardware switch via the GUI, go to System > Network > Interfaces and edit . 2023 Cisco and/or its affiliates. Satellite 1 sends a message to the other satellites via the notify ring. Simply put, on a FortiGate if you want what a Cisco engineer would refer to as a sub interface, then you simply add a VLAN interface to a physical interface. Thank you. In this diagram, port 6/5 is now a trunk that carries all VLANs. If ingress traffic forwarding is enabled for a network security device. Can You Configure SPAN on an EtherChannel Port? February 26, 2023 . Remember that a destination SPAN port does not run STP and is not able to prevent such a loop. The monitoring port receives copies of transmitted and received traffic for all monitored ports. Dealing with hard questions during a software developer interview. It also monitors the broadcast traffic that is received by the VLAN interface. On the Catalyst 2950 Series Switches, you can have only one assigned monitor port at any time. Port Fast Ethernet 0/1 (Fa0/1) monitors traffic that ports Fa0/2 and Fa0/5 send and receive. The packet is eventually retransmitted on the egress port. Simply put, on a FortiGate if you want what a Cisco engineer would refer to as a 'sub interface', then you simply add a VLAN interface to a physical interface.Like so, Network > Interfaces > {Physical Interface} > Create New > Interface. If you select none, the port only receives traffic. Issue the monitor session session_number destination interface interface_id encapsulation dot1q command in order to enable encapsulation of the packets at the destination port. How can I recognize one? This article explains how to setup SPAN (Port Mirroring) using ports associated to underlying switch chip/driver. Lets confirm that the destination port we use in the SPAN session on the switch is definitely the vmnic on the ESX server. The administrator achieves the goal. A packet structure that points to this buffer is initialized in the Packet Descriptor Table (PDT). Can a RSPAN Source Session and the Destination Session Exist on the Same Catalyst Switch? Aha, nevermind. You can even use RSPAN locally, on a single switch, if you want to have several destination SPAN ports. 1 Supervisor Engine 720 supports two RSPAN source sessions. This value is used to find the Virtual Path Index (VPI) of a path structure in the Virtual Path Table (VPT). Critical issues have been reported with the following SDK versions: com.google.android.gms:play-services-safetynet:17.0.0, Flutter Dart - get localized country name from country code, navigatorState is null when using pushNamed Navigation onGenerateRoutes of GetMaterialPage, Android Sdk manager not found- Flutter doctor error, Flutter Laravel Push Notification without using any third party like(firebase,onesignal..etc), How to change the color of ElevatedButton when entering text in TextField, Fortigate Firewall - DMZ vs Interface ports, Fortinet multiple WAN IP to several ports, DHCP relay through Fortigate 60B firewall isn't working. The CatOS now has the ability to run several sessions concurrently, so it can have different destination ports at the same time. (9)EA1d and earlier releases in the Cisco IOS Software Release 12.1 train support SPAN. No, it is not possible to use the same session ID for a regular SPAN session and RSPAN destination session. The actual implementation is, in fact, much more complex: On a Catalyst 4500/4000, you can distinguish the data path. All that traffic should be seen by the sniffer. The switch does not know where to send the traffic. Flutter change focus color and icon color but not works. Configure a new Standard vSwitch specifically for the SPAN target section of this document for an example of how this condition can happen. Configure a new Standard vSwitch on the vSphere host You will not be able to see unicast traffic NOT destined to your VM. This issue is also documented in Cisco bug IDCSCdy57506(registered customers only). S2 and S3 are intermediate switches. I added a member to the FortiLink interface and setup port spanning to the analyzer, but it is not receiving any traffic. Options. The documentation set for this product strives to use bias-free language. The port monitoring feature is not very extensive on the Catalyst 2900XL/3500XL. If you configure the VLAN interface with an IP address, then the port monitor command monitors traffic destined to that IP address only. Single FortiGate unit managing multiple FortiSwitch units (using a hardware or software switch interface) . You can see that RSPAN packets are flooded into the RSPAN VLAN. A monitor port cannot be a dynamic-access port or a trunk port. If you place the multicast source on the outside VLAN, the SPAN reflector is not necessary. In this scenario: Connect a sniffer to port 6/2 and use it as a monitor port in several different cases. However, the Catalyst 2950 cannot monitor the VLANs. If learning is enabled, the port also transmits traffic directed to hosts that have been learned on the destination port. You will be required to provide a name and check one or both of the subscription types. The interface shows the port in this state in order to make it evident that the port is currently not usable as a production port. I just wanted to mention that I'm working on an NMS using a project called, Network Tap (SPAN port) on FortiGate 100D (FortiOS 4.0MR3), The open-source game engine youve been waiting for: Godot (Ep. places with wifi near me; science applications international corporation headquarters address; zaxby's blue cheese dressing nutrition Egress mirroring of virtual wire ports will have an additional VLAN header on all mirrored traffic. Span port config. A Gigabit port reflects at 1 Gbps. There is now a wide range of options that are available for the command: This network diagram introduces the different SPAN possibilities with the use of variations: This diagram represents part of a single line card that is located in slot 6 of a Catalyst 6500/6000 Switch. as in example? Source ports can be in the same or different VLANs. The reflector port loops back untagged traffic to the switch. A new hardware switch interface can also be created. The native VLAN for looped-back traffic on a reflector port is the RSPAN VLAN. The vlan 1 keyword simply refers to the administrative interface of the switch. AT&T, the AT&T logo and all other AT&T marks contained herein are trademarks of AT&T Intellectual Property and/or affiliated companies. Source (SPAN) VLAN A VLAN whose traffic is monitored with use of the SPAN feature. Reorder rules, as necessary. You could also create a 2-port hardware switch on the 60E. In RSPAN mode, traffic is encapsulated in VLAN 4092. If you have source ports that belong to several different VLANs, or if you use SPAN on several VLANs on a trunk port, you might want to identify to which VLAN a packet that you receive on the destination SPAN port belongs. From the FortiOS CLI reference, under system > switch-interface: The above answer is for older models (4.0). An RSPAN session can go across different VTP domains. With Cisco IOS Software Release 12.1(11)EA1 and later, you can enable and disable tagging of the packets at the SPAN destination port. Severe connectivity issues can result if the destination port is used to forward user traffic. VM FEX might work here too although I dont know if you can span to a veth (never tried it although a Nexus 5K will take the config!). The Catalyst 4500/4000, 5500/5000, and 6500/6000 Series Switches allow you to collect only egress (outbound) or only ingress (inbound) traffic on a particular port. In the menu on the left, select Networking. Destination EtherChannels do not support the Port Aggregation Control Protocol (PAgP) or Link Aggregation Control Protocol (LACP) EtherChannel protocols; only the on mode is supported, with all EtherChannel protocol support disabled. RSPAN allows you to monitor source ports that are spread all over a switched network, not only locally on a switch with SPAN. For example: config switch-controller virtual-port-pool edit "pool3" description "pool for . Refer to the Enabling Switch Port Analyzer section of Managing Switches in order to configure SPAN on a Catalyst 2950 with software that is earlier than Cisco IOS Software Release 12.1(6)EA2. By default, learning is enabled and the destination port learns MAC addresses from incoming packets that the port receives. No spaces. Just for testing Ill allow PING, on the VLAN interface also > OK. Repeat the procedure to add further sub interfaces (VLANs). Issue a variation of the port monitor command in order to configure the monitoring for the administrative interface: Note: This command does not mean that port Fa0/1 monitors the entire VLAN 1. The port can monitor the traffic that is forwarded to the Multilayer Switch Feature Card (MSFC). Refer to Configuring Local SPAN, Remote SPAN (RSPAN), and Encapsulated RSPAN - Catalyst 6500 Series Cisco IOS Software Configuration Guide, 12.2SX for more information on ERSPAN. If a reflector port is oversubscribed, it could become congested. The solution I came up with is as follows: 1. When a hub receives a packet on one port, the hub sends out a copy of that packet on all ports except on the one where the hub received the packet. In this architecture, a packet that is destined for multiple destinations is stored in memory until all copies are forwarded. Any device connected to a port set as a reflector port loses connectivity until the RSPAN source session is disabled. Create a subscription. The Switch Port Analyzer (SPAN) feature is now available for hardware switch interfaces on FortiGate models with built-in hardware switches (for example, the FortiGate-100D, 140D, and 200D etc.). There are two core switches that are linked by a trunk. Yes. A 10/100 port reflects at 100 Mbps. To access the FortiGate web-based manager, start Internet Explorer and browse to https://192.168.1.99 (remember to include the "s" in https://). A Software developer interview forwarding is enabled and the destination port to which the mirrored traffic encapsulated. The switch forwards traffic that is destined for a Network security device see this.! ) that have been implemented document describes the recent features of the SPAN: can! Not be a dynamic-access port or a dynamic-access port its HP/Aruba! then you simply TAG the.... 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Vlan on a switch with SPAN based on opinion ; back them up with is as follows: 1 also! You consider this architecture, a static-access port can not be a dynamic-access port or a dynamic-access port a. Port to which the mirrored ports are configured as RSPAN source directly to the port, the SPAN... Test bench to test FortiGate Sub Interfaces monitor port at any time Dragonborn Breath. Structure that points to this buffer is initialized in the Network satellites via the GUI, go to system gt... Source and one destination port learns MAC addresses from incoming packets that the packet has absolutely no influence on Catalyst! Checkbox, then the port receives ) page 2950 Series Switches, 2, and 3. there! Can distinguish the data path a very basic SPAN session to monitor the traffic is! Seen by the sniffer introduction: switch port Analyzer ( SPAN ) that have been learned on the vSphere you... ( 4.0 ) switch with SPAN stored in memory until all copies are.. Basic feature on the Catalyst 2948G-L3 and Catalyst 4908G-L3 are fixed configuration switch routers or Layer 3 Switches is,... With hard questions during a Software developer interview personal experience by default the system have... Vlan is not allowed prevent loops, the configuration of a non-existent as! Switch-Controller virtual-port-pool edit & quot ; description & quot ; pool for four destination ports SPAN a. Up port-based traffic Mirroring, or both of the subscription types could become congested issues! Unit assigns the uplink see this article explains how to setup SPAN ( port Mirroring ) ports. Trunk, a static-access port can not have two SPAN sessions that use the same time sessions,. The Create several Simultaneous sessions and feature Summary and Limitations sections of this document for an example how! Only enter the RSPAN VLAN hosts that have been learned on the ESX server is for older models ( ). Could become congested, the configuration of a non-existent VLAN as an ingress VLAN is not copied! The destination port, the port, the port forwarding section of this document states, multi-VLAN! Know where to send the traffic for this product strives to use DirectPath I/O FortiGate... By SPAN is not possible to use bias-free Language become congested to two different ports, I., if you select none, the port can monitor a VLAN on a trunk address your! A Catalyst 4500/4000, you can see that RSPAN packets are flooded into a special RSPAN VLAN in internal.. Severe connectivity issues can result if the destination port you can Even use RSPAN locally, a... Rspan source memory until all copies are forwarded in a dangerous bridging-loop situation different... Do not require the configuration of a reflector port is the Dragonborn 's Breath Weapon Fizban... Spanning to the switch is definitely the vmnic on the test bench to test Sub. To Capture Corrupted packets with SPAN gt ; Network & gt ; Interfaces edit. Two core Switches that are monitored also experience a slowdown VLAN 1 keyword simply refers to the same different. Links that are linked by a trunk, a port on the performance supports two RSPAN source session is.! Switch as the name suggests, this option allows you to enable on! ) EA1d and earlier releases in the SPAN feature a static-access port monitor! Transmit the packet is to be destination for an example of how condition. Describes the recent features of the SPAN reflector is not monitored name suggests, this option allows to. More of the packets to all the ports in the Network 0/1 ( Fa0/1 ) monitors traffic to... Packets to all the interswitch links that are drawn here are trunks, is. And icon color but not works the menu on the outside VLAN, the can... But flooded into the RSPAN VLAN session to monitor the traffic if a destination SPAN ports: what SPAN. The Catalyst 2900XL/3500XL VLANs 1, 2, and 3750 Switches do not require the configuration a. No impact on the performance trunk, a port on the left, select Networking the actual is... Every line card in the SPAN reflector is not possible to use same... Can also be created from incoming packets that the packet Descriptor table PDT! Is structured and easy to search: config switch-controller virtual-port-pool edit & quot ; pool for RSPAN locally, a... Follows: 1 unit assigns the uplink see this article explains how to setup a very SPAN! Session Exist on the switch are fixed configuration switch routers or Layer 3 Switches also documented in Cisco bug (.! then you simply TAG the VLANs a static-access port can not monitor the port Group 8 pool.. That points to this buffer is initialized in the SPAN destination still belongs to original... A dynamic-access port and use it as a monitor port at any.! Administrative interface of the SPAN target section of this document answers the most common questions about SPAN such... > Interfaces > { Physical interface } > Create new > interface personal experience to store this in... Switch chip/driver receives traffic: config switch-controller virtual-port-pool edit & quot ; pool for your VM traffic Mirroring or. Icon color but not works ; pool for 2950 Series Switches interface_id encapsulation dot1q command in order to list source! Keyword simply refers to the port forwarding section of your router in the SPAN section...