Fixes related to "show bgp vrf all all summary"

- Handle cases BGP neighbor information is spread over 3 lines

Author: jlmcgraw

src/genie/libs/parser/nxos/show_bgp_vrf.py

@@ -1959,6 +1959,12 @@ def cli(self, vrf='all', address_family='all', output=None):
                             r' +(?P<tbl_ver>[0-9]+) +(?P<inq>[0-9]+)'
                             r' +(?P<outq>[0-9]+) +(?P<up_down>[a-zA-Z0-9\:]+)'
                             r' +(?P<state_pfxrcd>(?P<state>[a-zA-Z\s\(\)]+)?(?P<prx_rcd>\d+)?([\w\(\)\s]+)?)$')
+        #Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
+        # 1670:92:e000:24:2000::3
+        #                 4 4110507001
+        #                               0       0        0    0    0     2w1d Active
+        p8_2a = re.compile(r'^\s*(?P<v>[0-9]+) +(?P<as>[0-9]+)$')
+
         # Neighbor        V             AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
         # 10.10.10.10     4 4211111111
         p8_3 = re.compile(r'^\s*(?P<neighbor>[a-zA-Z0-9\.\:]+) +(?P<v>[0-9]+) +(?P<as>[0-9]+)$')
@@ -2210,6 +2216,27 @@ def cli(self, vrf='all', address_family='all', output=None):
                     nbr_af_dict['path']['memory_usage'] = memory_usage
                     continue
 
+            # Neighbor information is spread over three lines:
+            #Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
+            # 1670:92:e000:24:2000::3
+            #                4 4110507001
+            #                              0       0        0    0    0     2w1d Active
+            m = p8_2a.match(line)
+            if m and data_on_nextline:
+                # Note that we are not clearing data_on_nextline, the 3rd
+                # line will be matched by the existing p8_4 logic and cleared there
+                # Add address family to this neighbor
+                if 'address_family' not in nbr_dict:
+                    nbr_dict['address_family'] = {}
+                if address_family not in nbr_dict['address_family']:
+                    nbr_dict['address_family'][address_family] = {}
+                nbr_af_dict = nbr_dict['address_family'][address_family]
+
+                # Add keys for this address_family
+                nbr_af_dict['neighbor_table_version'] = int(m.groupdict()['v'])
+                nbr_af_dict['as'] = int(m.groupdict()['as'])
+                continue
+
             # Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
             # 10.10.10.10     4 4211111111
             m = p8_3.match(line)