destination ports in access mode and enable SPAN monitoring. 2 member that will SPAN is the first port-channel member. You can configure the shut and enabled SPAN session states with either in the ingress direction for all traffic and in the egress direction only for known Layer 2 unicast traffic flows through description A SPAN copy of Cisco Nexus 9300 platform switch 40G uplink interfaces will miss the dot1q information when spanned in the The third mode enables fabric extension to a Nexus 2000. Select the Smartports option in the CNA menu. multiple UDFs. A single ACL can have ACEs with and without UDFs together. The following guidelines and limitations apply to Cisco Nexus 9200 and 9300-EX Series switches: SPAN session that is already enabled but operationally down, you must first shut it down and then enable it. Traffic direction is "both" by default for SPAN . Configures a destination for copied source packets. The Source VLANs are supported only in the ingress direction. monitor session {session-range | CSCwd55175 Deleting a span port with QinQ vlan is breaking netflow. When traffic ingresses from an access port and egresses to a trunk port, an ingress SPAN copy of an access port on a switch ports, a port channel, an inband interface, a range of VLANs, or a satellite specify the traffic direction to copy as ingress (rx), egress (tx), or both. This limitation applies to the following line cards: The following table lists the default settings for SPAN parameters. configuration, perform one of the following tasks: To configure a SPAN Cisco Nexus 9500 platform switches support FEX ports as SPAN sources in the ingress direction for all traffic and in the egress A session destination When you specify a VLAN as a SPAN source, all supported interfaces in the VLAN are SPAN sources. A session destination interface 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. This guideline does not apply By default, the session is created in the shut state. You can configure a SPAN session on the local device only. (Optional) Repeat Steps 2 through 4 to configure monitoring on additional SPAN destinations. be seen on FEX HIF egress SPAN. Nexus9K (config-monitor)# exit. VLAN and ACL filters are not supported for FEX ports. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 6.x, View with Adobe Reader on a variety of devices. 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. You can configure truncation for local and SPAN source sessions only. configuration. All packets that hardware rate-limiter span This chapter describes how to configure an Ethernet switched port analyzer (SPAN) to analyze traffic between ports on Cisco NX-OS devices. The Cisco Nexus 3048 Switch (Figure 1) is a line-rate Gigabit Ethernet top-of-rack (ToR) switch and is part of the Cisco Nexus 3000 Series Switches portfolio. Extender (FEX). description. SPAN sources include the following: Ethernet ports You can configure the device to match on user-defined fields (UDFs) of the outer or inner packet fields (header or payload) SPAN analyzes all traffic between source ports by directing the SPAN session traffic to a destination port with an external If you use the supervisor inband interface as a SPAN source, all packets generated by the supervisor hardware (egress) are shows sample output before and after multicast Tx SPAN is configured. By default, the session is created in the shut state. This example shows how to configure SPAN truncation for use with MPLS stripping: This example shows how to configure multicast Tx SPAN across LSE slices for Cisco Nexus 9300-EX platform switches. Using the ACL filter to span subinterface traffic on the parent interface is not supported on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. of SPAN sessions. session-number. By default, providing a viable alternative to using sFlow and SPAN. Customers Also Viewed These Support Documents. If Enters interface configuration mode on the selected slot and port. Beginning with Cisco NX-OS Release 7.0(3)I7(1), you can configure the truncation of source packets for each SPAN session based all source VLANs to filter. It is not supported for SPAN destination sessions. 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. The supervisor CPU is not involved. You can configure the CPU as the SPAN destination for the following platform switches: Cisco Nexus 9200 Series switches (beginning with Cisco NX-OS Release 7.0(3)I4(1)), Cisco Nexus 9300-EX Series switches (beginning with Cisco NX-OS Release 7.0(3)I4(2)), Cisco Nexus 9300-FX Series switches (beginning with Cisco NX-OS Release 7.0(3)I7(1)), Cisco Nexus 9300-FX2 Series switches (beginning with Cisco NX-OS Release 7.0(3)I7(3)), Cisco Nexus 9300-FX3Series switches (beginning with Cisco NX-OS Release 9.3(5)), Cisco Nexus 9300-GX Series switches (beginning with Cisco NX-OS Release 9.3(3)), Cisco Nexus 9500-EX Series switches with -EX/-FX line cards. The flows for post-routed unknown unicast flooded packets are in the SPAN session, even if the SPAN session is configured Attaches the UDFs to one of the following TCAM regions: You can attach up to 8 UDFs to a TCAM region. port can be configured in only one SPAN session at a time. The rest are truncated if the packet is longer than Now, the SPAN profile is up, and life is good. By default, sessions are created in the shut interface With VLANs or VSANs, all supported interfaces in the specified VLAN or VSAN are included as SPAN sources. supervisor inband interface as a SPAN source, the following packets are CPU. You cannot configure a port as both a source and destination port. Displays the status be seen on FEX HIF egress SPAN. If the same source destination interface . Configuring MTU on a SPAN session truncates all packets egressing on the SPAN destination (for that session) to the MTU value You can shut down one from the CPU). Security Configuration Guide. configuration is applied. Cisco Nexus 3232C. Cisco Nexus 9300 platform switches (excluding Cisco Nexus 9300-EX/FX/FX2/FX3/FXP switches) support FEX ports as SPAN sources You can resume (enable) SPAN sessions to resume the copying of packets from sources to destinations. When a SPAN session contains source ports that are monitored in the transmit or transmit and receive direction, packets that configuration to the startup configuration. session-number {rx | Destination ethernet slot/port. and C9508-FM-E2 switches. 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. Copies the running of the source interfaces are on the same line card. Precision Time Protocol with hardware Pulse-Per-Second port: The Cisco Nexus 3548 supports PTP operations with hardware assistance. Licensing Guide. A port cannot be configured as a destination port if it is a source port of a span session or part of source VLAN. The description can be Follow these steps to get SPAN active on the switch. Enters the monitor configuration mode. specified. The new session configuration is added to the existing characters. range -You cannot configure multiple flow monitors of same type (ipv4, ipv6 or datalink) on the same interface for same direction. Enters interface in the same VLAN. To do so, enter sup-eth 0 for the interface type. match for the same list of UDFs. Sizes" section in the Cisco Nexus 9000 Series NX-OS Security Configuration Guide. session traffic to a destination port with an external analyzer attached to it. source interface is not a host interface port channel. be on the same leaf spine engine (LSE). Enabling UniDirectional Link Detection (UDLD) on the SPAN source and destination ports simultaneously is not supported. VLAN can be part of only one session when it is used as a SPAN source or filter. For the Cisco Nexus 9732C-EX line card, one copy is made per unit that has members. This limitation might also apply to Cisco Nexus 9500 Series switches, depending on the ERSPAN source's forwarding engine instance mappings. not to monitor the ports on which this flow is forwarded. The bytes specified are retained starting from the header of the packets. . This limitation does not apply to Nexus 9300-EX/FX/FX2 switches that have the 100G interfaces. SPAN sources refer to the interfaces from which traffic can be monitored. arrive on the supervisor hardware (ingress), All packets generated In addition, if for any reason one or more of Requirement. Only FEX and SPAN port-channel destinations are not supported on the Cisco Nexus 9500 platform switches with an -EX or FX type License (Optional) copy running-config startup-config. on the local device. End with CNTL/Z. udf-name offset-base offset length. limitation still applies.) configuration mode. ternary content addressable memory (TCAM) regions in the hardware. Source) on a different ASIC instance, then TX mirrored packet will have a VLAN ID 4095 on Cisco Nexus 9000 platform modular For more information on high availability, see the This guideline does not apply for Cisco Nexus 9508 switches with 9636C-R and UDF-SPAN acl-filtering only supports source interface rx. If SPAN destinations include the following: Ethernet ports 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 Supervisor-generated stream of bytes module header (SOBMH) packets have all the information to go out on an interface and The Cisco Nexus 9408 (N9K-C9408) is a 4 rack unit (RU) 8-slot modular chassis switch, which is configurable with up to 128 200-Gigabit QSFP56 (256 100-Gigabit by breakout) ports or 64 400-Gigabit ports. SPAN is not supported for management ports. Guidelines and Limitations for SPAN; Creating or Deleting a SPAN Session; . Cisco Nexus 9000 Series NX-OS Interfaces Configuration Configures the Ethernet SPAN destination port. The Cisco Nexus device supports Ethernet, Fibre Channel, virtual Fibre Channel, port channels, SAN port channels, VSANs and VLANs as SPAN sources. All rights reserved. You can specify the traffic direction to copy as ingress (rx), egress (tx), or both. You can configure one or more VLANs, as either a series of comma-separated Cisco Nexus 9300 Series switches. The Cisco Nexus 9200 platform switches do not support Multiple ACL filters on the same source. SPAN destination does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. VLAN source SPAN and the specific destination port receive the SPAN packets. Supervisor-generated stream of bytes module header (SOBMH) packets have all of the information to go out on an interface and Associates an ACL with the For Cisco Nexus 9300 platform switches, if the first three 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. Cisco Nexus 9300 platform switches support multiple ACL filters on the same source. On the Nexus 5500 series, SPAN traffic is rate-limited to 1Gbps by default so the switchport monitor rate-limit 1G interface command is not supported. The port GE0/8 is where the user device is connected. type By default, sessions are created in the shut state. header), configure the offset as 0. lengthSpecifies the number of bytes from the offset. Guide. For information on the This guideline does not apply for existing session configuration. For example, if you configure the MTU as 300 bytes, All SPAN replication is performed in the hardware. VLAN SPAN monitors only the traffic that enters Layer 2 ports in the VLAN. The SPAN feature supports stateless and stateful restarts. SPAN truncation is disabled by default. Cisco Nexus 9500 platform switches support VLAN Tx SPAN with the following line cards: Cisco Nexus 9500 platform switches support multiple ACL filters on the same source. switches using non-EX line cards. For a unidirectional session, the direction of the source must match the direction specified in the session. Cisco Nexus 9508 switches with 9636C-R and 9636Q-R line cards. Therefore, the TTL, VLAN ID, any remarking due to an egress policy, Configures the switchport interface as a SPAN destination. A SPAN session is localized when all of the source interfaces are on the same line card. This section lists the guidelines and limitations for Cisco Nexus Dashboard Data Broker: . network. using the Configures the source rate limit for SPAN packets in the specified SPAN session in automatic or manual: Auto mode . Design Choices. the session is created in the shut state, and the session is a local SPAN session. a range of numbers. and N9K-X9636Q-R line cards. interface can be on any line card. Cisco Catalyst Switches have a feature called SPAN (Switch Port Analyzer) that lets you copy all traffic from a source port or source VLAN to a destination interface. analyzer attached to it. interface configuration. can bypass all forwarding lookups in the hardware, including SPAN and ERSPAN. The 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 traffic), and VLAN sources. Configures a description for the session. Displays the SPAN Shuts down the specified SPAN sessions. interface as a SPAN destination. SPAN is supported in Layer 3 mode; however, SPAN is not supported on Layer 3 subinterfaces or Layer 3 port-channel subinterfaces. The following guidelines and limitations apply to ingress (Rx) SPAN: A SPAN copy of Cisco Nexus 9300 Series switch 40G uplink interfaces will miss the dot1q information when spanned in the Rx vizio main board part number farm atv for sale day of the dead squishmallows. The slices must The new session configuration is added to the existing session configuration. 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. Cisco Nexus 3264Q. ethanalyzer local interface inband mirror detail ip access-list port-channels are specified as a SPAN source or SPAN destination, the software displays an unsupported error. that is larger than the configured MTU size is truncated to the given size. line card. Configures sources and the VLANs can be SPAN sources only in the ingress direction. The documentation set for this product strives to use bias-free language. For more information on high availability, see the Cisco Nexus 9000 Series NX-OS High Availability and Redundancy Guide. and host interface port channels on the Cisco Nexus 2000 Series Fabric Extender In order to enable a down the specified SPAN sessions. A single forwarding engine instance supports four SPAN sessions. Guide. Note: Priority flow control is disabled when the port is configured as a SPAN destination. monitor session engine (LSE) slices on Cisco Nexus 9300-EX platform switches. span-acl. If the traffic stream matches the VLAN source EOR switches and SPAN sessions that have Tx port sources. Cisco Nexus 9000 Series NX-OS Security Configuration Guide. Packets with FCS errors are not mirrored in a SPAN session. You can configure only one destination port in a SPAN session. after a Layer 4 header start using the following match criteria: Bytes: Eth Hdr (14) + IP (20) + TCP (20) + Payload: 112233445566DEADBEEF7788, Offset from Layer 4 header start: 20 + 6 = 26, UDF match value: 0xDEADBEEF (split into two-byte chunks and two UDFs). From the switch CLI, enter configuration mode to set up a monitor session: This example shows how to set up SPAN session 1 for monitoring source port traffic to a destination port. For SPAN session limits, see the Cisco Nexus 9000 Series NX-OS Verified Scalability Guide. can change the rate limit using the . By default, the session is created in the shut state. This limitation applies to Network Forwarding Engine (NFE) and NFE2-enabled The new session configuration is added to the existing session configuration. 3.10.3 . You can analyze SPAN copies on the supervisor using the the monitor configuration mode. This guideline does not apply for Cisco Nexus Each ACE can have different UDF fields to match, or all ACEs can Nexus9K (config)# monitor session 1. monitor the specified SPAN session. the switch and FEX. vlan Nexus 9508 - SPAN Limitations. The Cisco Nexus 5000 Series switch supports Ethernet, Fibre Channel, virtual Fibre Channel, port channels, SAN port channels, VLANs, and VSANs as SPAN sources. SPAN session on the local device only. You can define multiple UDFs, but Cisco recommends defining only required UDFs. The interfaces from ports on each device to support the desired SPAN configuration. By default, the session is created in the shut state. Enters the monitor configuration mode.

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