Add cisco nxos show switching-mode (networktocode#1568)

* Added new template for cisco nxos show switching-mode.

ntc_templates/templates/cisco_nxos_show_switching-mode.textfsm

@@ -0,0 +1,10 @@
+Value Filldown CONFIGURED_SWITCHING_MODE ([\S\s]+?)
+Value Required MODULE_NUMBER (\S+)
+Value Required OPERATIONAL_MODE ([\S\s]+?)
+
+Start
+  ^\s*Configured\s*switching\s*mode:\s*${CONFIGURED_SWITCHING_MODE}\s*$$
+  ^\s*Module\s*Number\s*Operational\s*Mode\s*$$
+  ^\s*${MODULE_NUMBER}\s*${OPERATIONAL_MODE}\s*$$ -> Record
+  ^\s*$$
+ ^. -> Error

ntc_templates/templates/index

@@ -353,6 +353,7 @@ cisco_nxos_show_interface_brief.textfsm, .*, cisco_nxos, sh[[ow]] int[[erface]]
 cisco_nxos_show_flogi_database.textfsm, .*, cisco_nxos, sh[[ow]] fl[[ogi]] d[[atabase]]
 cisco_nxos_show_ip_bgp_summary.textfsm, .*, cisco_nxos, sh[[ow]] ip b[[gp]] s[[ummary]]
 cisco_nxos_show_lldp_neighbors.textfsm, .*, cisco_nxos, sh[[ow]] ll[[dp]] nei[[ghbors]]
+cisco_nxos_show_switching-mode.textfsm, .*, cisco_nxos, sh[[ow]] switchi[[ng-mode]]
 cisco_nxos_show_cdp_neighbors.textfsm, .*, cisco_nxos, sh[[ow]] cd[[p]] neig[[hbors]]
 cisco_nxos_show_ip_arp_detail.textfsm, .*, cisco_nxos, sh[[ow]] i[[p]] a[[rp]] det[[ail]]
 cisco_nxos_show_license_usage.textfsm, .*, cisco_nxos, sh[[ow]] lic[[ense]] us[[age]]

tests/cisco_nxos/show_switching-mode/cisco_nxos_show_switching-mode_1.raw

@@ -0,0 +1,4 @@
+Configured switching mode: Cut through 
+
+Module Number     Operational Mode 
+     1            Cut-Through

tests/cisco_nxos/show_switching-mode/cisco_nxos_show_switching-mode_1.yml

@@ -0,0 +1,5 @@
+---
+parsed_sample:
+  - configured_switching_mode: "Cut through"
+    module_number: "1"
+    operational_mode: "Cut-Through"

tests/cisco_nxos/show_switching-mode/cisco_nxos_show_switching-mode_2.raw

@@ -0,0 +1,4 @@
+Configured switching mode: Store and Forward
+
+Module Number     Operational Mode 
+     1            Store and Forward

tests/cisco_nxos/show_switching-mode/cisco_nxos_show_switching-mode_2.yml

@@ -0,0 +1,5 @@
+---
+parsed_sample:
+  - configured_switching_mode: "Store and Forward"
+    module_number: "1"
+    operational_mode: "Store and Forward"

tests/cisco_nxos/show_switching-mode/cisco_nxos_show_switching-mode_3.raw

@@ -0,0 +1,5 @@
+Configured switching mode: Store and Forward
+
+Module Number     Operational Mode 
+     1            Store and Forward
+     2            Cut-Through 

tests/cisco_nxos/show_switching-mode/cisco_nxos_show_switching-mode_3.yml

@@ -0,0 +1,8 @@
+---
+parsed_sample:
+  - configured_switching_mode: "Store and Forward"
+    module_number: "1"
+    operational_mode: "Store and Forward"
+  - configured_switching_mode: "Store and Forward"
+    module_number: "2"
+    operational_mode: "Cut-Through"