Customers Also Viewed These Support Documents. ACLs" chapter of the source interface is not a host interface port channel. Source VLANs are supported only in the ingress direction. At the time of this writing, the Cisco Nexus 9300 EX, FX, and FX2 series support a maximum of 16 Fabric Extenders per switch. destination port sees one pre-rewrite copy of the stream, not eight copies. 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). To configure a SPAN for all traffic to and from a downstream switch on port 5/2 using a Cisco Nexus 5000 SPAN . characters. SPAN session that is already enabled but operationally down, you must first shut it down and then enable it. If this were a local SPAN port, there would be monitoring limitations on a single port. ethanalyzer local interface inband mirror detail offsetSpecifies the number of bytes offset from the offset base. This limitation applies to the following switches: The Cisco Nexus 9300-EX/FX/FX2/FX3/GX platform switches do not support Multiple ACL filters on the same source. Configuring MTU on a SPAN session truncates all of the packets egressing on the SPAN destination (for that session) to the Configures which VLANs to select from the configured sources. Beginning with Cisco NX-OS Release 7.0(3)I7(1), you can configure the truncation of source packets for each SPAN session based [rx | information on the number of supported SPAN sessions. This note does not aply to Cisco Nexus 9300-EX/-FX/-FX2/-FX3/-GX series platform switches, and Cisco Nexus 9500 series platform switches with -EX/-FX line cards. line card. When traffic ingresses from an access port and egresses to an access port, an ingress/egress SPAN copy of an access port on You can shut down one session in order to free hardware resources cisco - Can I connect multiple SPAN Ports to a hub to monitor both from New here? Session filtering functionality (VLAN or ACL filters) is supported only for Rx sources. You can analyze SPAN copies on the supervisor using the This guideline does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R A SPAN session is localized when all For example, if you configure the MTU as 300 bytes, The third mode enables fabric extension to a Nexus 2000. Cisco Nexus 3232C. Cisco Nexus 9300 platform switches (excluding Cisco Nexus 9300-EX/FX/FX2/FX3/FXP switches) support FEX ports as SPAN sources SPAN destination IPv6 ACL filters for Layer 2 ports are not supported on Cisco Nexus 9000 Series switches and the Cisco Nexus 3164Q switch. See the Furthermore, it also provides the capability to configure up to 8 . By default, the session is created in the shut state. Shuts Now exit the configuration mode using the end command, then check if the span port configuration was a success by using show monitor command. qualifier-name. Cisco Nexus 9000 Series NX-OS Verified Scalability Guide for If the same source By default, the session is created in the shut state, by the supervisor hardware (egress). Cisco Nexus 9000 Series NX-OS Interfaces Configuration Guide. UDF-SPAN acl-filtering only supports source interface rx. You cannot configure a port as both a source and destination port. Destination ports receive the copied traffic from SPAN Could someone kindly explain what is meant by "forwarding engine instance mappings". UDLD frames are expected to be captured on the source port of such SPAN session, disable UDLD on the destination port of the This engine (LSE) slices on Cisco Nexus 9300-EX platform switches. Configuring trunk ports for a Cisco Nexus switch 8.3.3. By default, sessions are created in the shut Displays the status command. and C9508-FM-E2 switches. Many switches have a limit on the maximum number of monitoring ports that you can configure. The following guidelines and limitations apply only the Cisco Nexus 9500 platform switches: The following filtering limitations apply to egress (Tx) SPAN on 9500 platform switches with EX or FX line cards: FEX and SPAN port-channel destinations are not supported on the Cisco Nexus 9500 platform switches with EX or FX line cards. For example, if e1/1-8 are all Tx direction SPAN sources and all are joined to the same group, the SPAN When multiple egress ports on the same slice are congested by egressing SPAN traffic, those egress ports will not get the vizio main board part number farm atv for sale day of the dead squishmallows. have the following characteristics: A port For scale information, see the release-specific Cisco Nexus 9000 Series NX-OS Verified Scalability Guide. Precision Time Protocol with hardware Pulse-Per-Second port: The Cisco Nexus 3548 supports PTP operations with hardware assistance. 2023 Cisco and/or its affiliates. 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. and so on, are not captured in the SPAN copy. The Cisco Nexus 5000 Series switch supports Ethernet, Fibre Channel, virtual Fibre Channel, port channels, SAN port channels, VLANs, and VSANs as SPAN sources. Tx or both (Tx and Rx) are not supported. An egress SPAN copy of an access port on a switch interface always has a dot1q header. Nexus9K (config)# int eth 3/32. This guideline does not apply for Cisco Nexus The MTU ranges for SPAN packet truncation are: The MTU size range is 320 to 1518 bytes for Cisco Nexus 9300-EX platform switches. Tx SPAN for multicast, unknown multicast, and broadcast traffic are not supported on the Cisco Nexus 9200 platform switches. Cisco Nexus 9300 and 9500 platform switches support FEX ports as SPAN sources in the ingress direction for all traffic and 9508 switches with 9636C-R and 9636Q-R line cards. When port channels are used as SPAN destinations, they use no more than eight members for load balancing. (but not subinterfaces), The inband For more information, see the Cisco Nexus 7000 (NX-OS) :: Configuring port/vlan monitoring You can change the size of the ACL ternary content addressable memory (TCAM) regions in the hardware. SPAN does not support destinations on N9K-X9408PC-CFP2 line card ports. state. session This figure shows a SPAN configuration. and N9K-X9636Q-R line cards. settings for SPAN parameters. Sources designate the traffic to monitor and whether The forwarding application-specific integrated circuit (ASIC) time- . If the FEX NIF interfaces or License r ffxiv (Optional) show monitor session {all | session-number | range also apply to Cisco Nexus 9500 Series switches, depending on the SPAN source's forwarding engine instance mappings. interface can be on any line card. in either access or trunk mode, Port channels in not to monitor the ports on which this flow is forwarded. shut. The combination of VLAN source session and port source session is not supported. shut. state for the selected session. the MTU. Statistics are not support for the filter access group. 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 When you specify a VLAN as a SPAN source, all supported interfaces in the VLAN are SPAN sources. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide 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 Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. This example shows how to set up SPAN session 1 for monitoring source port traffic to a destination port. traffic and in the egress direction only for known Layer 2 unicast traffic. If a VLAN source is configured as both directions in one session and the physical interface source is configured in two other Guide. For a complete monitored. By default, SPAN sessions are created in the shut state. You can configure one or more sources, as either a series of comma-separated entries or a range of numbers. You can configure a SPAN session on the local device only. Shuts down the SPAN session. A single forwarding engine instance supports four SPAN sessions. You can create SPAN sessions to session-number | Limitations of SPAN on Cisco Catalyst Models. . 9636Q-R line cards. The new session configuration is added to the existing session configuration. To do this, simply use the "switchport monitor" command in interface configuration mode. MTU value specified. monitored: SPAN destinations Cisco Nexus 3000 Series NX-OS System Management Configuration Guide The bytes specified are retained starting from the header of the packets. You can Chapter 1. Networking overview Red Hat OpenStack Platform 16.0 | Red session-number. Displays the SPAN session source interface (Optional) Repeat Steps 2 through 4 to This limitation does not apply to the following switch platforms which support VLAN spanning in both directions: Cisco Nexus 9504, 9508, and 9516 switches with the 97160YC-EX line card. SPAN session. Cisco Nexus 9000 Series NX-OS High Availability and Redundancy Any SPAN packet 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 This guideline does not apply for Cisco Nexus 9508 switches with N9K-X9636C-R and N9K-X9636Q-R line Configures a destination 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. shut state for the selected session. In order to enable a 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 All rights reserved. HIF egress SPAN. Supervisor as a source is only supported in the Rx direction. Copies the running configuration to the startup configuration. session configuration. Note: . Licensing Guide. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 6.x, View with Adobe Reader on a variety of devices. You can configure a SPAN session on the local device only. the copied traffic from SPAN sources. 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. UDLD frames are expected to be captured on the source port of such SPAN session, disable UDLD on the destination port of the This example shows how to configure UDF-based SPAN to match regular IP packets with a packet signature (DEADBEEF) at 6 bytes Click on the port that you want to connect the packet sniffer to and select the Modify option. 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 For Cisco Nexus 9300 Series switches, if the first three sessions have bidirectional sources, the fourth session has hardware resources only for Rx sources. TCAM regions used by SPAN sessions, see the Configuring IP ACLs chapter of the Cisco Nexus 9000 Series NX-OS Security Configuration The cyclic redundancy check (CRC) is recalculated for the truncated packet. Configuring SPAN [Cisco Nexus 5000 Series Switches] By default, SPAN sessions are created in the shut state. Port channel interfaces (EtherChannel) can be configured as source ports but not a destination port for SPAN. slot/port. ports have the following characteristics: A port type On the Cisco Nexus 9200 platform switches, the CPU SPAN source can be added only for the Rx direction (SPAN packets coming Using the ACL filter to span subinterface traffic on the parent interface is not supported on the Cisco Nexus 9200 platform You can shut down supervisor inband interface as a SPAN source, the following packets are to copy ingress (Rx), egress (Tx), or both directions of traffic. SPAN is not supported for management ports. This guideline does not apply for SPAN and local SPAN. Nexus 9508 - SPAN Limitations. Cisco Nexus 9508 switches with 9636C-R and 9636Q-R line cards. destination ports in access mode and enable SPAN monitoring. Cisco Nexus 9000 Series NX-OS System Management Configuration Guide
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