...
Version: 9.3(1) switch(config-if)# monitor session 1 type erspan-source switch(config-erspan-src)# source interface eth102/1/1 both ERROR: eth102/1/1: TX span unsupported
Configuration ERSPAN source on FEX port.
None
Configuration of ERSPAN source on FEX port in both directions was checked for 7.0(3)I7(6) version and it was working fine, but for 9.3(1) error: "TX span is not supported" was received. Example for version: 7.0(3)I7(6) switch(config-if)# monitor session 1 type erspan-source switch(config-erspan-src)# source interface eth101/1/1 both Version: 9.3(1) switch(config-if)# monitor session 1 type erspan-source switch(config-erspan-src)# source interface eth102/1/1 both ERROR: eth102/1/1: TX span unsupported For version 7.0(3)I7(6) there is possibility to capture packets in both directions on ERSPAN source ALBER(config)# show running monitor !Command: show running-config monitor !Running configuration last done at: Tue Oct 1 20:29:08 2019 !Time: Tue Oct 1 20:39:42 2019 version 7.0(3)I7(6) Bios:version 07.65 monitor session 3 type erspan-source erspan-id 30 vrf default destination ip 192.168.1.1 source interface Ethernet101/1/1 both no shut monitor erspan origin ip-address 192.168.1.2 global ALBER(config)# show mac address-table Legend: * - primary entry, G - Gateway MAC, (R) - Routed MAC, O - Overlay MAC age - seconds since last seen,+ - primary entry using vPC Peer-Link, (T) - True, (F) - False, C - ControlPlane MAC, ~ - vsan VLAN MAC Address Type age Secure NTFY Ports ---------+-----------------+--------+---------+------+----+------------------ * 1 0000.00aa.0001 dynamic 0 F F Eth101/1/1 * 1 0000.00bb.0001 dynamic 0 F F Eth1/3 G - f8c2.8823.11a3 static - F F sup-eth1(R) ALBER(config)# show monitor session 3 session 3 --------------- type : erspan-source state : up erspan-id : 30 vrf-name : default acl-name : acl-name not specified ip-ttl : 255 ip-dscp : 0 destination-ip : 192.168.1.1 origin-ip : 192.168.1.2 (global) source intf : rx : Eth101/1/1 tx : Eth101/1/1 both : Eth101/1/1 source VLANs : rx : tx : both : filter VLANs : filter not specified source fwd drops : marker-packet : disabled packet interval : 100 packet sent : 0 packet failed : 0 egress-intf : Eth1/1 PFC On Interfaces : TX and RX packets from ERSPAN source were seen on ERSPAN destination