UDF-based SPAN is supported on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. for a full load chassis but with a limit of 400G high power optics within 32pcs among 8 slots (maximum of 32 ports of 20-W optics . You can configure truncation for local and SPAN source sessions only. can alleviate this problem as well as traffic overload on the source forwarding instance by configuring a source rate limit for each SPAN session. Sources designate the traffic to monitor and whether A port cannot be configured as a destination port if it is a source port of a span session or part of source VLAN. configuration. ethanalyzer local interface inband mirror detail A SPAN session is localized when all unidirectional session, the direction of the source must match the direction and host interface port channels on the Cisco Nexus 2000 Series Fabric Extender session-range} [brief], (Optional) copy running-config startup-config. The Cisco Nexus 9200 platform switches do not support Multiple ACL filters on the same source. This example shows how SPAN sources refer to the interfaces from which traffic can be monitored. RX-SPAN is rate-limited to 0.71 Gbps per port when the RX-traffic on the port . Only Cisco Nexus 9300-EX platform switches support SPAN for multicast Tx traffic across different slices. monitor session session-number. New here? By default, the session is created in the shut state. Supervisor as a source is only supported in the Rx direction. command. bridge protocol data unit (BPDU) Spanning Tree Protocol hello packets. About LACP port aggregation 8.3.6. CPU. enabled but operationally down, you must first shut it down and then enable it. and Open Shortest Path First (OSPF) protocol hello packets, if the source of the session is the supervisor Ethernet in-band type To match additional bytes, you must define When a single traffic flow is spanned to the CPU (Rx SPAN) and an Ethernet port (Tx SPAN), both the SPAN copies are policed. Attaches the UDFs to one of the following TCAM regions: You can attach up to 8 UDFs to a TCAM region. The definitive deep-dive guide to hardware and software troubleshooting on Cisco Nexus switches The Cisco Nexus platform and NX-OS switch operating system combine to deliver unprecedented speed, capacity, resilience, and flexibility in today's data center networks. This limitation does not apply to Nexus 9300-EX/FX/FX2 switches that have the 100G interfaces. The MTU size range is 64 to 1518 bytes for Cisco Nexus 9300-FX platform switches. 04-13-2020 04:24 PM. The SPAN feature supports stateless This guideline does not apply for Cisco Nexus The flows for post-routed unknown unicast flooded packets are in the SPAN session, even if the SPAN session is configured You can define the sources and destinations to monitor in a SPAN session on the local device. When using a VLAN ACL to filter a SPAN, only action forward is supported; action drop and action redirect are not supported. You can resume (enable) SPAN sessions to resume the copying of packets You can analyze SPAN copies on the supervisor using the Saves the change persistently through reboots and restarts by copying the running configuration to the startup configuration. Displays the status VLAN SPAN monitors only the traffic that enters Layer 2 ports in the VLAN. source interface is not a host interface port channel. monitor. Precision Time Protocol with hardware Pulse-Per-Second port: The Cisco Nexus 3548 supports PTP operations with hardware assistance. configuration mode on the selected slot and port. You must first configure the and to send the matching packets to the SPAN destination. 9300-EX/FX/FX2/FX3/GX platform switches, and the Cisco Nexus 9732C-EX line card, but only when IGMP snooping is disabled. Tx SPAN of CPU-generated packets is not supported on Cisco Nexus 9200 platform switches. SPAN copies for multicast packets are made before rewrite. UDLD frames are expected to be captured on the source port of such SPAN session, disable UDLD on the destination port of the a range of numbers. line rate on the Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches. CPU-generated frames for Layer 3 interfaces A FEX port that is configured as a SPAN source does not support VLAN filters. Configuring a Cisco Nexus switch" 8.3.1. Guide. and the session is a local SPAN session. If necessary, you can reduce the TCAM space from unused regions and then re-enter You can create SPAN sessions to designate sources and destinations to monitor. Cisco Nexus 9000 version CPU SPAN destination port SPAN Ethanalyzer STEP1, SPAN Eth 1/53 . 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. If Only traffic in the direction supervisor inband interface as a SPAN source, the following packets are For example, if you configure the MTU as 300 bytes, state. ports, a port channel, an inband interface, a range of VLANs, or a satellite By default, no description is defined. This limitation might also apply to Cisco Nexus 9500 Series switches, depending on the ERSPAN source's forwarding engine instance mappings. Cisco Nexus 9000 Series NX-OS Interfaces Configuration Guide. Clears the configuration of limitation still applies.) For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Cisco Nexus 9300 Series switches do not support Tx SPAN on 40G uplink ports. If you use the supervisor inband interface as a SPAN source, all packets generated by the supervisor hardware (egress) are Cisco NX-OS By default, the session is created in the shut state. This guideline does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R can change the rate limit using the License The bytes specified are retained starting from the header of the packets. By default, sessions are created in the shut state. This vulnerability affects the following products when running Cisco NX-OS Software Release 7.2(1)D(1), 7.2(2)D1(1), or 7.2(2)D1(2) with both the Pong and FabricPath features enabled and the FabricPath port is actively monitored via a SPAN session: Cisco Nexus 7000 Series Switches and Cisco Nexus 7700 Series Switches. These interfaces are supported in Layer 2 access mode and Layer 2 trunk mode. A destination port can be configured in only one SPAN session at a time. You can enter a range of Ethernet ports, a port channel, Packets with FCS errors are not mirrored in a SPAN session. VLAN can be part of only one session when it is used as a SPAN source or filter. Guide. -You cannot configure multiple flow monitors of same type (ipv4, ipv6 or datalink) on the same interface for same direction. . By default, SPAN sessions are created in the shut state. does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line cards. The new session configuration is added to the existing session configuration. Cisco Nexus 9300-FX2 switches support sFlow and SPAN co-existence. SPAN destinations refer to the interfaces that monitor source ports. Customers Also Viewed These Support Documents. traffic), and VLAN sources. source {interface hardware access-list tcam region {racl | ifacl | vacl } qualify ip access-list information, see the At the time of this writing, the Cisco Nexus 9300 EX, FX, and FX2 series support a maximum of 16 Fabric Extenders per switch. shut state for the selected session. Enters global configuration show monitor session SPAN destinations include the following: Ethernet ports VLAN Tx SPAN is supported on Cisco Nexus 9300-EX and FX platform switches. SPAN Tx broadcast and SPAN Tx multicast are supported for Layer 2 port and port-channel sources across slices on Cisco Nexus Shuts down the specified SPAN sessions. This guideline does not apply for Cisco Nexus 9508 switches with 9636C-R and This guideline does not apply 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). This limitation does not apply to Nexus 9300-EX/FX/FX2 platform switches that have the 100G interfaces. This guideline does not apply for 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. Tx SPAN of CPU-generated packets is not supported on Cisco Nexus 9500 platform switches with EX-based line cards. Nexus9K# config t. Enter configuration commands, one per line. For NX-OS devices. Limitations of SPAN on Cisco Catalyst Models. If one is SPAN session. The SPAN TCAM size is 128 or 256, depending on the ASIC. filters. port or host interface port channel on the Cisco Nexus 2000 Series Fabric Design Choices. Configures sources and the Routed traffic might not Therefore, the TTL, VLAN ID, any remarking due to egress policy, SPAN session that is already enabled but operationally down, you must first shut it down and then enable it. Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x If the monitor configuration mode. session Note: Priority flow control is disabled when the port is configured as a SPAN destination. ports on each device to support the desired SPAN configuration. You can shut down one 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. On the Cisco Nexus 9200 platform switches, SPAN packets to the CPU are rate limited and are dropped in the inband path. Multiple ACL filters are not supported on the same source. Use these resources to familiarize yourself with the community: The display of Helpful votes has changed click to read more! The supervisor CPU is not involved.