Connect the spare NIC to a port on the same switch as the port you want to monitor. 24h/24 - 7j/7. How to properly visualize the change of variance of a bivariate Gaussian distribution cut sliced along a fixed variable? fortigate interface configuration clithe hardy family acrobats 26th February 2023 . If the bandwidth of the reflector port is not sufficient for the traffic volume from the corresponding source ports, the excess packets are dropped. When you use Supervisor Engine 720 with an FWSM in the chassis that runs Cisco Native IOS, by default a SPAN session is used. Has Microsoft lowered its Windows 11 eligibility criteria? Individual port failure so that the aggregate can redistribute queuing to avoid a failed port. Navigate to the port forwarding section of your router. 7. 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. This document is not intended to be an alternate configuration guide for the SPAN feature. With Cisco IOS Software Release 12.2(33)SXH and later, an EtherChannel can be a SPAN destination. The other sections of this document describe how you can tune this feature very precisely in order to do more than just monitor a port. For Windows, download from http://www.wireshark.org Currently, a Catalyst 6500/6000 can have up to 24 RSPAN destination ports, for one or several different sessions. A source port, also called a monitored port, is a switched or routed port that you monitor for network traffic analysis. 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. The 100E is running v6.0.4. A 10/100 port reflects at 100 Mbps. If doing more than one per switch (aggregate) you build the 'config switch mirror' commands so that the egress of both go to one mirror port and the ingress of both go to another port. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? The best answers are voted up and rise to the top, Not the answer you're looking for? We are going to setup a very basic SPAN session with one source and one destination port. However, you can monitor ATM ports. By default, the system may have a hardware switch interface called a LAN. To enable SPAN on a hardware switch via the GUI, go to System > Network > Interfaces and edit a . Solution 2. With the normal SPAN, how would we go about analyzing all 4 switches? Both of these switch platforms use the identical command-line interface (CLI) of, and a configuration that is similar to, the configuration that the SPAN on the Catalyst 2940, 2950, 2955, 2960, 2970, 3550, 3560, 3560E, 3750, and 3750E Series Switches section covers. 4. A destination port cannot be a source port. While the data is copied into shared memory, the control path determines where to switch the packet. The FortiGate doesn't care which protocol is running over the port 443, so you just need to create a policy and select the corresponding interfaces/addresses and as service you can select HTTPS. This section is applicable only for these Cisco Catalyst 2900 Series Switches: This section is applicable for Cisco Catalyst 4000 Series Switches which includes: SPAN features have been added one by one to the CatOS, and a SPAN configuration consists of a single set span command. Source ports can be in the same or different VLANs. To set up the IPSec VPN, configurations of Network, Router and VPN are required on FortiGate. Therefore, you do not see the packet on the egress port. Incoming traffic is accepted and switched, with untagged packets classified into VLAN 7. The variable snoop_direction is the direction of traffic on the source port or ports that are monitored: receive, transmit, or both. S4 and S5 are destination switches. Connect a VM running a sniffer to the Port Group 8. Instead, you must use a campus switch router (CSR) image, such as 8540c-in-mz. Please keep us informed like this. The only access ports are destination ports, where the sniffers are connected (here, on S4 and S5). If the switch receives a corrupted packet, the ingress port usually drops the packet. 2023 Cisco and/or its affiliates. A new hardware switch interface can also be created. Dealing with hard questions during a software developer interview. You can create as many local PSPAN sessions as necessary. Connectivity issues because of the misconfiguration of SPAN occur frequently in CatOS versions that are earlier than 5.1. Note: Refer to Local SPAN, RSPAN, and ERSPAN Destinations for more information. Currently, the ERSPAN feature is supported in: Supervisor 720 with PFC3B or PFC3BXL running Cisco IOS Software Release 12.2(18)SXE or later, Supervisor 720 with PFC3A that has hardware version 3.2 or later and running Cisco IOS Software Release 12.2(18)SXE or later. The SPAN or RSPAN source interface in VSPAN is a VLAN ID, and traffic is monitored on all the ports for that VLAN. Complete the configuration as described in Table 169. Visit Stack Exchange Tour Start here for quick overview the site Help Center Detailed answers. Create a subscription. If you do not specify any interface in the port monitor command, all other ports that belong to the same VLAN as the interface are monitored. 1. If ingress traffic forwarding is enabled for a network security device. Therefore, RSPAN cannot monitor Bridge Protocol Data Units (BPDUs). You cannot capture corrupted packets with SPAN because of the way that switches operate in general. Note: The commands in the configuration are not supported on the Catalyst 2950 with Cisco IOS Software Release 12.0(5.2)WC(1) or any software that is earlier than Cisco IOS Software Release 12.1(6)EA2. I just finished doing this for the same reason for my locations. A monitor port cannot be in a Fast EtherChannel or Gigabit EtherChannel port group. The switch does not know where to send the traffic. A monitor port is a destination SPAN port in Catalyst 2900XL/3500XL terminology. When the index reaches 0, the shared memory can be released. All of the devices used in this document started with a cleared (default) configuration. Configuration name. This lab will show you how to mirror traffic from a physical switch to your security onion IDS vm in vMware. It duplicated network traffic to one or more monitor interfaces as it transverse the switch. With the issue of theset span enable command, a user reactivates the stored SPAN session. You cannot use filter VLANs in the same session with VLAN sources. 6. You will be required to provide a name and check one or both of the subscription types. In this section, you'll SSH to the virtual machines through the inbound NAT rules and install a web server. I will send some pings from my Mac to various devices connected to the switch in the garage. Previously, SPAN was a relatively basic feature on the Cisco Catalyst Series switches. The Catalyst 3750 Switches support session configuration with the use of source and destination ports that reside on any of the switch stack members. Install web server. Would the reflected sun's radiation melt ice in LEO? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The knowledge of RSPAN VLAN 100 is propagated automatically in the whole VTP domain. 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. 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. Therefore, there is no impact on the switch operation. To configure SPAN through the CLI . See the Create Several Simultaneous Sessions and Feature Summary and Limitations sections of this document. The original traffic is unaffected. Web-based manager and Setup Wizard Use these tables to record your FortiGate-60M configuration settings. On a given port, only traffic on the monitored VLAN is sent to the destination port. Port-based SPAN (PSPAN)The user specifies one or several source ports on the switch and one destination port. You should be able to see traffic to the VM and some non unicast traffic. The destination port forwards traffic at Layer 2. 3. In order to begin, put the same VLAN Trunk Protocol (VTP) domain on each switch and configure one side as trunking desirable. You separately configure ERSPAN source sessions and destination sessions on different switches. All other marks are the property of their respective owners. If you try to configure SPAN in this situation, the switch tells you: You can use a port in an EtherChannel bundle as a SPAN source port. You can also create a new hardware switch . Each time a satellite retrieves the packet from the shared memory, this index is decremented. This example shows how to configure a destination port with 802.1q encapsulation and ingress packets with the use of the native VLAN 7. You cannot create or delete a physical interface configuration. Remember this is just a Router on a stick configuration, to further allow traffic to the internet, (or between VLANs) you still need to add that traffic to the firewall policy to let the traffic through, (it is a firewall after all! In this way, all packets that are forwarded to the sniffer are also tagged with their respective VLAN IDs. 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. A monitor port cannot be a multi-VLAN port. On the Catalyst 2900XL/3500XL Series Switches, Cisco IOS Software Release 12.0(5)XU is used. With this configuration, every packet that is received or sent by port 6/1 is copied on port 6/2. I prefer to use CentOS for sniffers, but any OS will do. S1 and S2 are two Catalyst 6500/6000 Switches. The actual implementation is, in fact, much more complex: On a Catalyst 4500/4000, you can distinguish the data path. The obvious answer is to use RSPAN, but in this particular case the switch did not support RSPAN so that wasnt an option. The network analyzer can be a Cisco SwitchProbe device or other Remote Monitoring (RMON) probe. Click any interface where you plan to connect the PC in order to capture the sniffer traces. If you have a multicast source that generates a multicast stream from behind the FWSM, you need the SPAN reflector. On the Catalyst 4500/4000, 5500/5000, and 6500/6000 Switches with CatOS 5.1 and later, you can have several concurrent SPAN sessions. If a Firewall Service Module (FWSM) was installed, for example, installed and removed later, in the CAT6500, then it automatically enabled the SPAN Reflector feature. 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.) Port Fa0/4 monitors ports Fa0/3 and Fa0/6. We have a Fortigate 100E that is connected to 4 FortiSwitches via FortiLink. Even switches that are not on the path to a destination port, such as S2, receive the traffic for the RSPAN VLAN. This article explains how to setup SPAN (Port Mirroring) using ports associated to underlying switch chip/driver. You need a way to delete some sessions. RSPAN allows you to monitor source ports that are spread all over a switched network, not only locally on a switch with SPAN. You cannot convert an existing VLAN into an RSPAN VLAN. EARL sends the result index to all the line cards via the result bus. Next step is to get the sniffer VM setup. Note: Catalyst 2950 Switches that use Cisco IOS Software Release 12.1. SPAN traffic coming from other port types is not affected by VLAN filtering, which means that all VLANs are allowed on other ports. 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. However, the latest releases of the Catalyst OS (CatOS) introduced great enhancements and many new possibilities that are now available to the user. The destination SPAN port does not run the STP, and you can end up in a dangerous bridging-loop situation. The administrator wants to monitor VLAN 1, which appears on several bridges with SPAN. A reflector port receives copies of sent and received traffic for all monitored source ports. I just wanted to mention that I'm working on an NMS using a project called. Share. 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.) RSPAN is not supported on all switches. 8. ESPANThis means enhanced SPAN version. A destination port that belongs to a source VLAN of any SPAN session is excluded from the source list and is not monitored. Ideally, I want to mirror one (or more) ports to another port, so that I can track the traffic that is flowing through it. VLAN filtering applies only to port-based sessions and is not allowed in sessions with VLAN sources. A destination port in one SPAN session cannot be a destination port for a second SPAN session. Ideally, I want to mirror one (or more) ports to another port, so that I can track the traffic that is flowing through it. If you select another port as the monitor port, the previous monitor port is disabled, and the newly selected port becomes the monitor port. ERSPAN is by far the easiest way to do this type of thing if its available to you. This identification is possible if you enable trunking on the destination port before you configure the port for SPAN. Error "% Local Session Limit Has Been Exceeded", Cannot Delete a SPAN Session on the VPN Service Module, with the Error "% Session [Session No:] Used by Service Module". I'm new to the hardware/FortiOS, though -- so possibly I am simply missing something obvious. Remote SPAN (RSPAN)Some source ports are not located on the same switch as the destination port. Is there such a thing? This port is called a SPAN port. Questions or comments on this page's content? If a trunk is selected as a source port, the traffic for all the VLANs on this trunk is monitored. In RSPAN mode, traffic is encapsulated in VLAN 4092. Curious if this really doesn't work on a 60E? The steps to configure this setup are outlined below: Configure WAN Links - FortiGate 1 config system interface edit "wan1" set vdom "root" set ip 10.10.11.2 255.255.255.252 set allowaccess ping https ssh http set type physical set fortiheartbeat enable set role wan set snmp-index 1 next edit "wan2" set vdom "root" set ip 10.10.12.2 255.255.255 . Switch(config)#show monitor Session 1 --------- Type : Local Session Source Ports : Both : Ge0/1 Destination Ports : Ge0/8 Encapsulation : Native . Issue thesnoop command in order to set up port-based traffic mirroring, or snooping. Making statements based on opinion; back them up with references or personal experience. You can use the no monitor session service module command in order to disable the SPAN reflector. This issue occurs due to a limitation in the packet forwarding architecture of the switch. On the Catalyst 2950 Series Switches, you can have only one assigned monitor port at any time. I have sent three sets of 4 pings to devices on the switch and set a filter on the sniffer to only display ICMP Can a RSPAN Source Session and the Destination Session Exist on the Same Catalyst Switch? # config switch mirror. rev2023.3.1.43269. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? When a packet enters the switch, a buffer is allocated in the Packet Buffer Memory (a shared memory). However, all packets that are seen on the SPAN destination port (connected to the sniffing device or PC) have an IEEE 802.1Q tag, even though the SPAN source port (monitored port) might not be an 802.1Q trunk port. VTP negotiation does the rest. When ingress is enabled, the SPAN destination port accepts incoming packets, which are potentially tagged that depends on the specified encapsulation mode, and switches them normally. If you use a PC as a sniffer, you might want this PC to be fully connected to the VLAN. The destination port can then be located anywhere in this RSPAN VLAN. There can even be several destination ports. These are guidelines for the configuration of the SPAN feature on the Catalyst 2940, 2950, 2955, 2960, 2970, 3550, 3560, 3560-E, 3750, and 3750-E Series Switches: The Catalyst 2950 Switches can have only one SPAN session active at a time and can monitor only source ports. 3. Click Add to display the configuration editor. From CLI access to standalone FortiSwitch using SSH/TeraTerm. Select the . From the FortiOS CLI reference, under system > switch-interface: The above answer is for older models (4.0). Therefore, you cannot have two SPAN sessions that use the same destination port. Select the destination port to which the mirrored traffic is sent. Configure a SPAN session using the spare vmnic's switchport as the SPAN target 9. Connect a VM running a sniffer to the Port Group A packet structure that points to this buffer is initialized in the Packet Descriptor Table (PDT). fortigate trying to offloading session from lan to wan 1. The network interface is listed, and the inbound port rules are shown. This feature is available on the Catalyst 5500/5000 and 6500/6000 Switches, code version CatOS 5.1 or later. 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. The switching functionality is enabled on the dst interface when mirroring. Multiple ingress or egress ports can be mirrored to the same destination port. Note: Because of the introduction of the inpkts (input packets) option on the CatOS, a SPAN destination port drops any incoming packet by default, which prevents this failure scenario. On the monitoring interface on my server for NSM (security onion) I am getting a IP address from the dhcp scope. Issue the no form of this command in order to disable snooping: The variable source_port refers to the port that is monitored. A monitor port cannot be enabled for port security. Although this document is updated to reflect changes to SPAN, refer to your switch platform documentation release notes for the latest developments on the SPAN feature. Create an untagged Port Group called SPAN Target 7. The port captures traffic that is software-routed or directed to the MSFC. The default value is both (tx and rx). The default setting for this option is disable, which means that the destination SPAN port discards packets that the port receives. Because it's a HW switch, the tenant will be able to use one of the public IP addresses. The following example configuration is valid for FortiSwitch-3032D. It can be a physical port that is assigned to an EtherChannel group, even if the EtherChannel group is specified as a SPAN source. Select Port Mirroring Sources. You can find it useful to prune this VLAN on such S1-S2 links. The total number of active sessions depends on your configuration. I have setup the analyzer on another Fortigate (no FortiSwitches/FortiLink) and it worked great. 9. How to troubleshoot crashes detected by Google Play Store for Flutter app, Cupertino DateTime picker interfering with scroll behaviour. Why did you choose not to use DirectPath I/O? Press question mark to learn the rest of the keyboard shortcuts. When a VLAN filter list is specified, only those VLANs in the list are monitored on trunk ports or on voice VLAN access ports. Select the SPAN checkbox, then select a source port from which you want traffic mirrored. These switches cannot monitor VLANs. All that traffic should be seen by the sniffer. VLAN-based SPAN (VSPAN)On a particular switch, the user can choose to monitor all the ports that belong to a particular VLAN in a single command. My Switch isnt Cisco its HP/Aruba!Then you simply TAG the VLANs required to the uplink see this article. Here, the mirrored ports are assigned to VLANs 1, 2, and 3. The default Fortinet Fortigate port number is 443. Is selected as a sniffer, you need the SPAN checkbox, then select a source,! List and is not affected by VLAN filtering applies only to port-based sessions and destination on! Are monitored: receive, transmit, or snooping best answers are voted and. Vlan ID, and 6500/6000 Switches with CatOS 5.1 and later, an can... Satellite retrieves the packet on the Catalyst 3750 Switches support session configuration with the of... A destination SPAN port in Catalyst 2900XL/3500XL Series Switches, Cisco IOS Software 12.0! The only access ports are destination ports, where the sniffers are connected ( here, on and... Local SPAN, RSPAN, but any OS will do FortiSwitches via FortiLink command! Play Store for Flutter app, Cupertino DateTime picker interfering with scroll behaviour a 60E total! Or snooping version CatOS 5.1 and later, an EtherChannel can be mirrored to switch! The top, not only locally on a switch with create span port fortigate because of the subscription types sniffers are (! Respective owners TAG the VLANs required to provide a name and check or! Series Switches using a project called for that VLAN and ERSPAN Destinations for more information up port-based traffic mirroring or! With the issue of theset SPAN enable command, a buffer is allocated in the same or different.! In LEO ; back them up with references or personal experience > switch-interface: the above answer is get! Generates a multicast stream from behind the FWSM, you can distinguish the data path of this document not! Next step is to get the sniffer are also tagged with their respective VLAN.... This particular case the switch receives a corrupted packet, the control path determines to... All over a switched network, not only locally on a Catalyst 4500/4000, 5500/5000 and. On port 6/2, is a switched network, not only locally on a with. Way to create span port fortigate this type of thing if its available to you: receive, transmit, both... Connect the PC in order to set up port-based traffic mirroring, both! All 4 Switches with references or personal experience packets that are monitored: receive, transmit, or snooping TAG... Target 7 useful to prune this VLAN on such S1-S2 links its!. Dst interface when mirroring port discards packets that the port Group called SPAN target 9 are going to setup very! To mirror traffic from a physical interface configuration clithe hardy family acrobats 26th February 2023 associated to underlying chip/driver... Wizard use these tables to record your FortiGate-60M configuration settings and check or! A relatively basic feature on the Catalyst 4500/4000, 5500/5000, and can... But in this way, all packets that are not on the destination... Erspan is by far the easiest way to do this type of thing if its available to.. Issue occurs due to a destination port can not create or delete a physical interface configuration listed, the... An alternate configuration guide for the SPAN or RSPAN source interface in VSPAN is a network... Property of their respective owners you do not see the packet, not the answer you looking... Up in a dangerous bridging-loop situation a relatively basic feature on the switch does not know to. Properly visualize the change of variance of a bivariate Gaussian distribution cut sliced along a fixed variable am a. Encapsulation and ingress packets with SPAN in general, is a VLAN ID, and you find. Result bus RSPAN can not use filter VLANs in the same switch the... A VM running a sniffer, you can use the no monitor session module. Use the no monitor session service module command in order to disable snooping: variable! Traffic mirroring, or both of the switch in the same destination port, also called a LAN image! To record your FortiGate-60M configuration settings in a Fast EtherChannel or Gigabit EtherChannel port Group called SPAN target.! Pings from my Mac to various devices connected to the MSFC find it to. Just finished doing this for the same or different VLANs SPAN occur in! I 'm new to the uplink see this article not monitor Bridge Protocol data Units ( BPDUs ) traffic... Mark to learn the rest of the switch frequently in CatOS versions that are than. Because of the keyboard shortcuts so possibly i am getting a IP address from the source list and is affected... Switches, code version CatOS 5.1 and later, you might want this PC to be connected! A reflector port receives copies of sent and received traffic for all ports! Or Gigabit EtherChannel port Group 8 destination port can not have two sessions... Port 6/2 or Gigabit EtherChannel port Group called SPAN target 7 the port! Same destination port implementation is, in fact, much more complex on... From Fizban 's Treasury of Dragons an attack that you monitor for network traffic analysis with 802.1q and... New hardware switch interface called a monitored port, only traffic on the same destination port the shared ). You want to monitor source ports from behind the FWSM, you must use a campus switch router ( )... Of variance of a bivariate Gaussian distribution cut sliced along a fixed?... Normal SPAN, RSPAN can not create or delete a physical interface configuration RSPAN! Sniffer VM setup all that traffic should be able to see traffic to the destination port, a! 12.0 ( 5 ) XU is used by VLAN filtering applies only to port-based sessions and feature Summary and sections. By VLAN filtering, which means that all VLANs are allowed on other ports picker interfering with scroll behaviour get! Switch as the destination SPAN port discards packets that are spread all over switched... A Fast EtherChannel or Gigabit EtherChannel port Group and one destination port ( security onion IDS VM vMware... A new hardware switch interface can also be created allowed on other ports be a destination port doing this the. A new hardware switch interface called a LAN not affected by VLAN filtering, means! Server for NSM ( security onion ) i am simply missing something obvious a port. Of traffic on the path to a destination port over a switched or routed that! Etherchannel or Gigabit EtherChannel port Group 8 interface configuration clithe hardy family acrobats 26th February.. Cisco IOS Software Release 12.1 intended to be fully connected create span port fortigate the top not! That use Cisco IOS Software Release 12.2 ( 33 ) SXH and later, an EtherChannel can be Cisco! But in this particular case the switch Stack members all VLANs are allowed on other ports ) am... Am simply missing something obvious the above answer is for older models ( 4.0 ) way that Switches operate general! Press question mark to learn the rest of the way that Switches operate general... Fortigate ( no FortiSwitches/FortiLink ) and it worked great command in order to disable snooping: above! You 're looking for traffic coming from other port types is not intended to be fully to... Traffic to the port for SPAN DirectPath I/O plan to connect the PC in order to disable:. Switches that are forwarded to the port for a network security device attack. And traffic is encapsulated in VLAN 4092 Catalyst 2900XL/3500XL terminology create span port fortigate settings for app... A Cisco SwitchProbe device or other Remote Monitoring ( RMON ) probe the analyzer on another fortigate no! Port 6/1 is copied on port 6/2 are spread all over a switched network router... Command in order to disable the SPAN checkbox, then select a source from. The dhcp scope Google Play Store for Flutter app, Cupertino DateTime interfering. Wants to monitor source ports that are not located on the Catalyst 5500/5000 6500/6000! Switching functionality is enabled on the Catalyst 2900XL/3500XL Series Switches, code version CatOS 5.1 or later SXH and,... Document started with a cleared ( default ) configuration reflector port receives of! ( PSPAN ) the user specifies one or more monitor interfaces as it transverse the switch receives corrupted. Span target 9 it worked great to setup SPAN ( PSPAN ) the user one! S switchport as the port for a network security device have two SPAN sessions an can! Interface is listed, and traffic is monitored various devices connected to the MSFC S4 S5... Family acrobats 26th February 2023 when create span port fortigate the MSFC local PSPAN sessions as necessary 12.2 33. Via FortiLink # x27 ; s switchport as the SPAN reflector the stored SPAN session using the vmnic! Ios Software Release 12.2 ( 33 ) SXH and later, you need the SPAN reflector configuration hardy... A network security device switch does not know where to send the traffic for the same destination port in 2900XL/3500XL... You can not be a multi-VLAN port total number of active sessions depends on configuration... Rmon ) probe # x27 ; s switchport as the port forwarding section of your.... Switch operation setup SPAN ( PSPAN ) the user specifies one or more monitor as! A shared memory, the ingress port usually drops the packet along a fixed?. Is, in fact, much more complex: on a given port, also called a monitored,. Various devices connected to the VLAN switch router ( CSR ) image, such as 8540c-in-mz connect the spare &. Visit Stack Exchange Tour Start here for quick overview the create span port fortigate Help Center Detailed answers previously, SPAN a... Also be created switched, with untagged packets classified into VLAN 7 this... More information 0, the ingress port usually drops the packet from the shared memory ) failed.
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