Fix nxos interface by matching old FC stats (#2192)

Author: mjbear

ntc_templates/templates/cisco_nxos_show_interface.textfsm

@@ -90,6 +90,7 @@ Start
   ^\s+${RX_JUMBO_PACKETS}\s+jumbo\s+packets\s+\d+\s+storm\s+suppression\s+packets\s*$$
   ^\s+${RX_JUMBO_PACKETS}\s+jumbo\s+pa(ckets)?\s+Encapsulation\s+\S+,\s+medium\s+is\s+\S+
   ^\s+${RUNTS}\s+runts\s+${GIANTS}\s+giants\s+${CRC}\s+CRC(/FCS)?\s+${NO_BUFFER}\s+no\s+buffer\s*$$
+  ^\s+${CRC}\s+CRC,\s+\d+\s+unknown\s+class
   # TX
   ^\s+${TX_JUMBO_PACKETS}\s+jumbo\s+packets\s*$$
   ^\s+${OUTPUT_ERRORS}\s+output\s+errors?\s+${COLLISIONS}\s+collision\s+${DEFERRED}\s+deferred\s+${LATE_COLLISIONS}\s+late\s+collision\s*$$
@@ -102,7 +103,7 @@ Start
   ^\s+(Beacon|EtherType|Rate\s+mode|Switchport\s+monitor)\s+is\s+
   ^\s+Input\s+flow-control\s+is\s+\S+,\s+output\s+flow-control\s+is\s+\S+\s*$$
   ^\s+EEE\s+\(efficient-ethernet\)\s+
-  ^\s+Last\s+clearing\s+of\s+"show\s+interface"\s+counters\s+
+  ^\s+[Ll]ast\s+clearing\s+of\s+"show\s+interface"\s+counters\s+
   ^\s+\d+\s+interface\s+resets\s*$$
   ^\s+Load-Interval\s+
   ^\s+L3\s+((in|out)\s+)?Switched:\s*$$
@@ -130,4 +131,10 @@ Start
   ^\s+Admin\s+port\s+mode
   ^\s+snmp\s+link\s+state
   ^\s+Current\s+counters\s+not\s+available
+  ^\s+Receive\s+data\s+field\s+[Ss]ize\s+is
+  ^\s+\d+\s+frames\s+(in|out)put,\s+\d+\s+bytes
+  ^\s+\d+\s+discards,\s+\d+\s+errors
+  ^\s+\d+\s+too\s+long,\s+\d+\s+too\s+short
+  ^\s+\d+\s+(in|out)put\s+OLS,\s+\d+\s+LRR,\s+\d+\s+NOS,\s+\d+\s+loop\s+inits
+  ^\s+Interface\s+last\s+changed
   ^. -> Error

tests/cisco_nxos/show_interface/cisco_nxos_show_interface11.raw

@@ -0,0 +1,41 @@
+fc1/43 is down (SFP not present)
+    Hardware is Fibre Channel 
+    Port WWN is 20:2b:54:7f:ee:64:66:80
+    Admin port mode is auto, trunk mode is on
+    snmp link state traps are enabled
+    Port vsan is 1
+    Receive data field Size is 2112
+    Beacon is turned off
+    1 minute input rate 0 bits/sec, 0 bytes/sec, 0 frames/sec
+    1 minute output rate 0 bits/sec, 0 bytes/sec, 0 frames/sec
+      0 frames input, 0 bytes
+        0 discards, 0 errors
+        0 CRC,  0 unknown class
+        0 too long, 0 too short
+      0 frames output, 0 bytes
+        0 discards, 0 errors
+      0 input OLS, 0 LRR, 0 NOS, 0 loop inits
+      0 output OLS, 0 LRR, 0 NOS, 0 loop inits
+    last clearing of "show interface" counters never
+
+fc4/11 is down (Link failure: loss of signal)
+    Port description is UCS Cisco Fiber-Channel (FI-B Port 31)
+    Hardware is Fibre Channel, SFP is short wave laser w/o OFC (SN)
+    Port WWN is 20:cb:00:2a:6a:73:4d:80
+    Admin port mode is auto, trunk mode is on
+    snmp link state traps are enabled
+    Port vsan is 1
+    Receive data field Size is 2112
+    Beacon is turned off
+    1 minute input rate 0 bits/sec, 0 bytes/sec, 0 frames/sec
+    1 minute output rate 0 bits/sec, 0 bytes/sec, 0 frames/sec
+      95020 frames input, 4941396 bytes
+        0 discards, 0 errors
+        0 CRC,  0 unknown class
+        0 too long, 0 too short
+      95026 frames output, 53208452 bytes
+        0 discards, 0 errors
+      1 input OLS, 1 LRR, 1 NOS, 0 loop inits
+      1 output OLS, 0 LRR, 1 NOS, 0 loop inits
+    last clearing of "show interface" counters never
+    Interface last changed at Tue Jun  3 11:51:29 2025

tests/cisco_nxos/show_interface/cisco_nxos_show_interface11.yml

@@ -0,0 +1,110 @@
+---
+parsed_sample:
+  - admin_state: ""
+    babble: ""
+    bad_etype_drop: ""
+    bad_proto_drop: ""
+    bandwidth: ""
+    bandwidth_input_rate: "0"
+    bandwidth_output_rate: "0"
+    bia: ""
+    collisions: ""
+    crc: "0"
+    deferred: ""
+    delay: ""
+    description: ""
+    dribble: ""
+    duplex: ""
+    encapsulation: ""
+    giants: ""
+    hardware_type: "Fibre Channel "
+    ignored: ""
+    input_discards: ""
+    input_errors: ""
+    input_packets: ""
+    interface: "fc1/43"
+    interface_down_drop: ""
+    ip_address: ""
+    last_link_flapped: ""
+    late_collisions: ""
+    link_status: "down (SFP not present)"
+    lost_carrier: ""
+    mac_address: ""
+    media_type: ""
+    mode: ""
+    mtu: ""
+    no_buffer: ""
+    no_carrier: ""
+    output_discards: ""
+    output_errors: ""
+    output_packets: ""
+    overrun: ""
+    packet_input_rate: ""
+    packet_output_rate: ""
+    prefix_length: ""
+    runts: ""
+    rx_jumbo_packets: ""
+    rx_pause: ""
+    short_frame: ""
+    speed: ""
+    stomped_crc: ""
+    storm_suppression_bytes: ""
+    tx_jumbo_packets: ""
+    tx_pause: ""
+    underrun: ""
+    vlan_id: ""
+    watchdog: ""
+  - admin_state: ""
+    babble: ""
+    bad_etype_drop: ""
+    bad_proto_drop: ""
+    bandwidth: ""
+    bandwidth_input_rate: "0"
+    bandwidth_output_rate: "0"
+    bia: ""
+    collisions: ""
+    crc: "0"
+    deferred: ""
+    delay: ""
+    description: "UCS Cisco Fiber-Channel (FI-B Port 31)"
+    dribble: ""
+    duplex: ""
+    encapsulation: ""
+    giants: ""
+    hardware_type: "Fibre Channel, SFP is short wave laser w/o OFC (SN)"
+    ignored: ""
+    input_discards: ""
+    input_errors: ""
+    input_packets: ""
+    interface: "fc4/11"
+    interface_down_drop: ""
+    ip_address: ""
+    last_link_flapped: ""
+    late_collisions: ""
+    link_status: "down (Link failure: loss of signal)"
+    lost_carrier: ""
+    mac_address: ""
+    media_type: ""
+    mode: ""
+    mtu: ""
+    no_buffer: ""
+    no_carrier: ""
+    output_discards: ""
+    output_errors: ""
+    output_packets: ""
+    overrun: ""
+    packet_input_rate: ""
+    packet_output_rate: ""
+    prefix_length: ""
+    runts: ""
+    rx_jumbo_packets: ""
+    rx_pause: ""
+    short_frame: ""
+    speed: ""
+    stomped_crc: ""
+    storm_suppression_bytes: ""
+    tx_jumbo_packets: ""
+    tx_pause: ""
+    underrun: ""
+    vlan_id: ""
+    watchdog: ""