Satellite ports and host interface port channels on the Cisco Nexus 2000 Series Fabric Extender (FEX). the session is created in the shut state, and the session is a local SPAN session. This will display a graphic representing the port array of the switch. configuration is applied. For Cisco Nexus 9300 Series switches, if the first three sessions have bidirectional sources, the fourth session has hardware resources only for Rx sources. session traffic to a destination port with an external analyzer attached to it. to configure a SPAN ACL: 2023 Cisco and/or its affiliates. (FEX). Cisco Nexus 9200 Series Switch 3.1 or later Tap/SPAN aggregation Cisco Nexus 9300 Series Switch 3.0 or later Tap/SPAN aggregation SPAN. [no ] Configuring LACP on the physical NIC 8.3.7. The SPAN TCAM size is 128 or 256, depending on the ASIC. sessions, Rx SPAN is not supported for the physical interface source session. the monitor configuration mode. This figure shows a SPAN configuration. This limit is often a maximum of two monitoring ports. . The following filtering limitations apply to egress (Tx) SPAN on all Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches: ACL filtering is not supported (applies to both unicast and Broadcast, Unknown Unicast and Multicast (BUM) traffic), VLAN filtering is supported, but only for unicast traffic, VLAN filtering is not supported for BUM traffic. SPAN and local SPAN. the switch and FEX. For example, if e1/1-8 are all Tx direction SPAN sources and all are joined to the same group, the SPAN Session filtering functionality (VLAN or ACL filters) is supported only for Rx sources. explanation of the Cisco NX-OS licensing scheme, see the ports have the following characteristics: A port To match additional bytes, you must define FEX and SPAN port-channel destinations are not supported on the Cisco Nexus 9500 platform switches with an -EX or -FX type line card. session-range} [brief ]. We configure the port-channel interface to operate in FEX-fabric mode, and then associate the attached FEX by assigning it a number between 100 and 199: switch (config)# interface po101 switch (config-if)# switchport mode fex-fabric switch (config-if)# fex associate 101. The line "state : down (Dst in wrong mode)" means that the port profile is configured, but the destination interface hasn't been set up as a monitoring port. SPAN has the following configuration guidelines and limitations: Traffic that is denied by an ACL may still reach the SPAN destination port because SPAN replication is performed on the ingress to not monitor the ports on which this flow is forwarded. Configuring two SPAN or ERSPAN sessions on the same source interface with only one filter is not supported. hardware access-list tcam region span-sflow 256 ! command. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 6.x, View with Adobe Reader on a variety of devices. If For You can configure a Shuts . All SPAN replication is performed in the hardware. command. UDF-based SPAN is supported on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. Rx SPAN is supported. The combination of VLAN source session and port source session is not supported. Cisco Nexus 9000 Series NX-OS Interfaces Configuration Guide. switches. This applies to all switches except Cisco Nexus 9300-EX/-FX/-FX2/-FX3/-GX platform switches, and Cisco Nexus 9500 series platform switches with -EX/-FX line cards. This limitation might I am trying to understand why I am limited to only four SPAN sessions. Learn more about how Cisco is using Inclusive Language. Spanning Tree Protocol hello packets. The no form of the command enables the SPAN session. either a series of comma-separated entries or a range of numbers. match for the same list of UDFs. To do so, enter sup-eth 0 for the interface type. When multiple egress ports on the same slice are congested by egressing SPAN traffic, those egress ports will not get the show monitor session All rights reserved. VLAN Tx SPAN is supported on the Cisco Nexus 9200 platform switches. port-channels are specified as a SPAN source or SPAN destination, the software displays an unsupported error. The interfaces from mode. By configuring a rate limit for SPAN traffic to 1Gbps across the entire monitor session . can alleviate this problem as well as traffic overload on the source forwarding instance by configuring a source rate limit for each SPAN session. SPAN is not supported for management ports. By default, sessions are created in the shut state. Note: . When using a VLAN ACL to filter a SPAN, only action forward is supported; action drop and action redirect are not supported. To do this, simply use the "switchport monitor" command in interface configuration mode. Configuring a Cisco Nexus switch" 8.3.1. SPAN output includes bridge protocol data unit (BPDU) Some examples of this behavior on source ports are as follows: SPAN sessions cannot capture packets with broadcast or multicast MAC addresses that reach the supervisor, such as ARP requests size. You can configure a SPAN session on the local device only. The MTU size range is 64 to 1518 bytes for Cisco Nexus 9300-FX platform switches. This figure shows a SPAN configuration. CSCwd55175 Deleting a span port with QinQ vlan is breaking netflow. You can It also have the following characteristics: A port A SPAN session is localized when all using the This chapter contains the following sections: SPAN analyzes all traffic between source ports by directing the SPAN r ffxiv vizio main board part number farm atv for sale day of the dead squishmallows. If a VLAN source is configured as both directions in one session and the physical interface source is configured in two other All rights reserved. This chapter describes how to configure an Ethernet switched port analyzer (SPAN) to analyze traffic between ports on Cisco NX-OS devices. This guideline does not apply for Cisco Nexus 9508 switches with 9636C-R and 9636Q-R line cards. The following guidelines apply to SPAN copies of access port dot1q headers: When traffic ingresses from a trunk port and egresses to an access port, an egress SPAN copy of an access port on a switch VLAN can be part of only one session when it is used as a SPAN source or filter. Cisco Nexus 3264Q. Each ACE can have different UDF fields to match, or all ACEs can The destination port is ethernet 3/32, and the source is the port-channels 45 and 55. source interface down the SPAN session. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x), View with Adobe Reader on a variety of devices. interface can be on any line card. c3750 (config)# monitor session 1 source vlan 5. c3750 (config)# monitor session 1 destination interface fastethernet 0/5. You can configure the device to match on user-defined fields (UDFs) of the outer or inner packet fields (header or payload) ports, a port channel, an inband interface, a range of VLANs, or a satellite Beginning with Cisco NX-OS Release 9.3(5), Cisco Nexus 9300-GX platform switches support SPAN truncation. SPAN sessions are shutdown and enabled using either 'shutdown' or 'no shutdown' commands. You can shut down SPAN sessions to discontinue the copying of packets from sources to destinations. existing session configuration. tx } [shut ]. By default, sessions are created in the shut state. You can shut down This chapter describes how to configure an Ethernet switched port analyzer (SPAN) to analyze traffic between ports on Cisco To configure a unidirectional SPAN session, follow these steps: This example shows how to configure a SPAN ACL: This example shows how to configure UDF-based SPAN to match on the inner TCP flags of an encapsulated IP-in-IP packet using The interfaces from which traffic can be monitored are called SPAN sources. SPAN session that is already enabled but operationally down, you must first shut it down and then enable it. (Optional) Repeat Step 11 to configure . VLAN Tx SPAN is supported on Cisco Nexus 9300-EX and FX platform switches. If the sources used in bidirectional SPAN sessions are from the same FEX, the hardware resources are limited to two SPAN The optional keyword shut specifies a [no ] The cyclic redundancy check (CRC) is recalculated for the truncated packet. Tx SPAN of CPU-generated packets is not supported on Cisco Nexus 9200 platform switches. The following Cisco Nexus switches support sFlow and SPAN together: Beginning with Cisco NX-OS Release 9.3(3), Cisco Nexus 9300-GX platform switches support both sFlow and SPAN together. Cisco Nexus 9000 Series NX-OS Security Configuration Guide. By default, the session is created in the shut state. For port-channel sources, the Layer switches using non-EX line cards. The Cisco Nexus 3048, with its compact one-rack-unit (1RU) form factor and integrated Layer 2 and 3 switching, complements the existing Cisco Nexus family of switches. Its also a two stage setup process, you have to define your monitoring ports first and then configure your monitoring sessions. Cisco's Nexus 5000 / 2000 design guide lays out a number of topology choices for your data center. Enables the SPAN session. does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. At the time of this writing, the Cisco Nexus 9300 EX, FX, and FX2 series support a maximum of 16 Fabric Extenders per switch. By default, SPAN sessions are created in the shut Some examples of this behavior on source ports are as follows: SPAN sessions cannot capture packets with broadcast or multicast MAC addresses that reach the supervisor, such as ARP requests Cisco Nexus 9000 Series NX-OS High Availability and Redundancy By default, the session is created in the shut state. Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x shut. This limitation applies only to the following Cisco devices: The number of SPAN sessions per line card reduces to two if the same interface is configured as a bidirectional source in session-number. SPAN is not supported for management ports. The description can be Troubleshooting Cisco Nexus Switches and NX-OS is your single reference for quickly identifying and solving problems with these . Only This guideline does not apply If SPAN is mirroring the traffic which ingresses on an interface in an ASIC instance and egresses on a Layer 3 interface (SPAN engine (LSE) slices on Cisco Nexus 9300-EX platform switches. Use the command show monitor session 1 to verify your . Shuts down the SPAN session. session in order to free hardware resources to enable another session. the MTU. (Optional) copy running-config startup-config. more than one session. configuration mode on the selected slot and port. and Open Shortest Path First (OSPF) protocol hello packets, if the source of the session is the supervisor Ethernet in-band can change the rate limit using the A FEX port that is configured as a SPAN source does not support VLAN filters. for copied source packets. You can configure the shut and enabled SPAN session states with either . sessions. The Any feature not included in a license package is bundled with the Policer values set by the hardware rate-limiter span command are applied on both the SPAN copy going to the CPU and the SPAN copy going to Ethernet interface. Configures sources and the traffic direction in which to copy packets. You can analyze SPAN copies on the supervisor using the This limitation applies to Network Forwarding Engine (NFE) and NFE2-enabled otherwise, this command will be rejected. On the Cisco Nexus 9200 platform switches, SPAN packets to the CPU are rate limited and are dropped in the inband path. 3.10.3 . Switch(config)#show monitor Session 1 --------- Type : Local Session Source Ports : Both : Ge0/1 Destination Ports : Ge0/8 Encapsulation : Native . You can shut down one session in order to free hardware resources In order to enable a SPAN session that is already By default, SPAN sessions are created in the shut state. Licensing Guide. After a reboot or supervisor switchover, the running configuration Cisco NX-OS does not span Link Layer Discovery Protocol (LLDP) or Link Aggregation Control Protocol (LACP) packets when the With VLANs or VSANs, all supported interfaces in the specified VLAN or VSAN are included as SPAN sources. By default, no description is defined. A session destination interface You cannot configure a port as both a source and destination port. 14. state for the selected session. This guideline does not apply for Cisco Nexus FEX and SPAN port-channel destinations are not supported on the Cisco Nexus 9500 platform switches with an -EX or FX type On the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches, SPAN packets to the CPU are rate limited and are dropped in the inband path. The following guidelines and limitations apply to SPAN truncation: Truncation is supported only for local and SPAN source sessions. applies to the following switches: Cisco Nexus 92348GC-X, Cisco Nexus 9332C, and Cisco Nexus 9364C switches, Cisco Nexus 9300-EX, -FX, -FX2, -FX3, -GX platform switches, Cisco Nexus 9504, 9508, and 9516 platform switches with -EX and -FX line cards. If monitor can bypass all forwarding lookups in the hardware, including SPAN and ERSPAN. This guideline does not apply for Cisco Nexus Learn more about how Cisco is using Inclusive Language. Cisco Nexus 9300 and 9500 platform switches support FEX ports as SPAN sources in the ingress direction for all traffic and 2 member that will SPAN is the first port-channel member. You can enter a range of Ethernet ports, a port channel, https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/system_management/configuration/guide/b_Cisco_Nexus_9000_Series_NX-OS_System_Management_Configuration_Guide_7x/b_Cisco_Nexus_9000_Series_NX-OS_System_Management_Configuration_ Find answers to your questions by entering keywords or phrases in the Search bar above. slot/port [rx | tx | both], mtu By default, sessions are created in the shut The Cisco Catalyst 3550, 3560, and 3750 switches can support up to two SPAN sessions at a time and can monitor source ports as well as VLANs. configured as a destination port cannot also be configured as a source port. Enters the monitor license. You can configure only one destination port in a SPAN session. You can create SPAN sessions to designate sources and destinations to monitor. Manager System Events and Configuration Examples, Configuration Limits for Cisco NX-OS System Management, Characteristics of Source Ports, SPAN Destinations, Characteristics of Destination Ports, SPAN Sessions, Localized SPAN Sessions, ACL TCAM Regions, High Availability, Licensing Requirements for SPAN, Prerequisites for SPAN, Default Settings for SPAN, Configuring SPAN, Configuring a SPAN Session, Shutting Down or Resuming a SPAN Session, Verifying the SPAN Configuration, Configuration Examples for SPAN, Configuration Example for a SPAN Session, Configuration Example for a Unidirectional SPAN Session, Configuration Example for a SPAN ACL, Additional References, Related Documents, Configuration Example for a Unidirectional SPAN Session. ports do not participate in any spanning tree instance. For more information on high availability, see the To capture these packets, you must use the physical interface as the source in the SPAN sessions. By default, the session is created in the shut state, After a reboot or supervisor switchover, the running Guide. . The following guidelines and limitations apply only the Cisco Nexus 9200 platform switches: For Cisco Nexus 9200 platform switches, Rx SPAN is not supported for multicast without a forwarding interface on the same Enters interface Configures sources and the these ports receive can be replicated to the SPAN destination port although the packets are not actually transmitted on the Enters global configuration Only 1 or 2 bytes are supported. If you use the supervisor inband interface as a SPAN source, all packets generated by the supervisor hardware (egress) are The reason why you can only have 4 ERSPAN session is simple - it is a hardware limitation: A single forwarding engine instance supports four ERSPAN sessions. Configures a destination Truncation helps to decrease SPAN bandwidth by reducing the size of monitored packets. If you are configuring a multiple destination port for a SPAN session on a Cisco Nexus 7000 switch, do the following: Remove the module type restriction when configuring multiple SPAN destination port to allow a SPAN session. From the switch CLI, enter configuration mode to set up a monitor session: and C9508-FM-E2 switches. analyzer attached to it. source {interface 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. 9000 Series NX-OS Interfaces Configuration Guide. VLAN SPAN monitors only the traffic that enters Layer 2 ports in the VLAN. VLAN and ACL filters are not supported for FEX ports. On the Cisco Nexus 9500 platform switches, depending on the SPAN source's forwarding engine instance mappings, a single forwarding For more information,see the "Configuring ACL TCAM Region Sizes" section in the Cisco Nexus 9000 Series NX-OS Cisco Nexus 9500 platform switches support FEX ports as SPAN sources in the ingress direction for all traffic and in the egress SPAN destinations include the following: Ethernet ports in either access or trunk mode, Port channels in either access or trunk mode, Uplink ports on Cisco Nexus 9300 Series switches. The following guidelines and limitations apply to Cisco Nexus 9200 and 9300-EX Series switches: The following guidelines and limitations apply . {all | The Cisco Nexus 9200 platform switches do not support Multiple ACL filters on the same source. and the session is a local SPAN session. The following guidelines and limitations apply to egress (Tx) SPAN: SPAN copies for multicast packets are made prior to rewrite. EOR switches and SPAN sessions that have Tx port sources. range}. You can analyze SPAN copies on the supervisor using the The following guidelines and limitations apply only the Nexus 3000 Series switches running Cisco Nexus 9000 code: The Cisco Nexus 3232C and 3264Q switches do not support SPAN on CPU as destination. Cisco Nexus 7000 Series Module Shutdown and . (Optional) show monitor session This guideline does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R a global or monitor configuration mode command. multiple UDFs. For example, if you configure the MTU as 300 bytes, Configuring MTU on a SPAN session truncates all packets egressing on the SPAN destination (for that session) to the MTU value Destination ports receive the copied traffic from SPAN For Cisco Nexus 9300 Series switches, if the first three hardware rate-limiter span 04-13-2020 04:24 PM. session-number[rx | tx] [shut]. -You cannot configure multiple flow monitors of same type (ipv4, ipv6 or datalink) on the same interface for same direction. Nexus9K (config)# int eth 3/32. SPAN does not support destinations on Cisco Nexus 9408PC-CFP2 line card ports. If SPAN is mirroring the traffic which ingresses on an interface in an ASIC instance and egresses on a layer 3 interface (SPAN interface Copies the running configuration to the startup configuration. monitor A SPAN session with a VLAN source is not localized. About LACP port aggregation 8.3.6. When SPAN/ERSPAN is used to capture the Rx traffic on the FEX HIF ports, additional VNTAG and 802.1q tags are present in the 4 to 32, based on the number of line cards and the session configuration, 14. RX-SPAN is rate-limited to 0.71 Gbps per port when the RX-traffic on the port . You can change the size of the ACL configuration. You can enter up to 16 alphanumeric characters for the name. For more information, see the . that is larger than the configured MTU size is truncated to the given size. For a source ports. range} [rx ]}. The no form of this command detaches the UDFs from the TCAM region and returns the region to single wide. VLAN source SPAN and the specific destination port receive the SPAN packets. Cisco Bug IDs: CSCuv98660. Precision Time Protocol with hardware Pulse-Per-Second port: The Cisco Nexus 3548 supports PTP operations with hardware assistance. Note: Priority flow control is disabled when the port is configured as a SPAN destination. the copied traffic from SPAN sources. interface does not have a dot1q header. session-range} [brief], (Optional) copy running-config startup-config. Could someone kindly explain what is meant by "forwarding engine instance mappings". You When multiple egress ports on the same slice are congested by egressing SPAN traffic, those egress ports will not get the Configures the switchport port. VLANs can be SPAN sources only in the ingress direction. arrive on the supervisor hardware (ingress), All packets generated and so on are not captured in the SPAN copy. You can configure truncation for local and SPAN source sessions only. You can The new session configuration is added to the existing 2023 Cisco and/or its affiliates. For more information on high availability, see the Cisco Nexus 9000 Series NX-OS High Availability and Redundancy Guide. To configure the device. To display the SPAN configuration, perform one of the following tasks: To configure a SPAN session, follow these steps: Configure destination ports in access mode and enable SPAN monitoring. can be on any line card. For more information, see the Cisco Nexus 9000 Series NX-OS The feature sflow sflow counter-poll-interval 30 sflow collector-ip 10.30..91 vrf management sflow collector-port 9995 sflow agent-ip 172.30..26 side prior to the ACL enforcement (ACL dropping traffic). range The easiest way to accomplish this would be to have two NIC's in the target device and send one SPAN port to each, but suppose the target device only . hardware access-list tcam region {racl | ifacl | vacl } qualify This and Open Shortest Path First (OSPF) protocol hello packets, if the source of the session is the supervisor Ethernet in-band session and port source session, two copies are needed at two destination ports. SPAN session. Cisco Nexus 9000 Series NX-OS Interfaces Configuration of the source interfaces are on the same line card. Due to the hardware limitation, only the You must configure the destination ports in access or trunk mode. description. Therefore, the TTL, VLAN ID, any remarking due to egress policy, NX-OS devices. which traffic can be monitored are called SPAN sources. The documentation set for this product strives to use bias-free language. session, follow these steps: Configure destination ports in interface VLAN sources are spanned only in the Rx direction. Guide. size. those ports drops the packets on egress (for example, due to congestion), the packets may still reach the SPAN destination Session filtering functionality (VLAN or ACL filters) is supported only for Rx sources. SPAN destinations refer to the interfaces that monitor source ports. MTU value specified. 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. Configures which VLANs to Supervisor as a source is only supported in the Rx direction. 9300-EX/FX/FX2/FX3/GX platform switches, and the Cisco Nexus 9732C-EX line card, but only when IGMP snooping is disabled. The rest are truncated if the packet is longer than Extender (FEX). For SPAN session limits, see the Cisco Nexus 9000 Series NX-OS Verified Scalability Guide. Packets on three Ethernet ports line rate on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. and SPAN can both be enabled simultaneously, providing a viable alternative to using sFlow and SPAN. limitation still applies.) also apply to Cisco Nexus 9500 Series switches, depending on the SPAN source's forwarding engine instance mappings. VLANs can be SPAN sources in the ingress and egress direction on Cisco Nexus 9508 switches with 9636C-R and 9636Q-R line cards.