Network packet capture for nsx-t edge for north / south traffic
--------------------------------------------------------------
https://knowledge.broadcom.com/external/article/345925/troubleshooting-nsxt-using-packet-captur.html
Get bgp neighbor ip and edge interface ip from the nsx-t manager gui in the T0 settings
Get Id from get interfaces on edge cli look for your interface ip address of edge

ssh to edge as admin
get logical-router
vrf “vrf number of SERVICE_ROUTER_TIER0”
get interface

Saving the network capture
------------------------------
set capture session 0 interface "id from get interfaces command look for edge interface ip" direction dual
get capture session
set capture session 0 file Test_Capture.pcap expression host "bgp neighbor ip"
get files
st en (this login as root)
files are stores in /image/vmware/nsx/file-store/ for winscp copy out


Live network capture displays on the screen
--------------------------------------------------------

start capture interface "id from get interfaces command look for edge interface ip" direction dual expression host "bgp neighbor ip"

#example ips from lab
#172.27.11.1 bgp neighbor
#172.27.11.2 edge1  id - 0a7d4c15-5634-4c8e-94ee-ad3e8e3967a1

start service ssh
set capture session 0 interface 0a7d4c15-5634-4c8e-94ee-ad3e8e3967a1 direction dual
set capture session 0 file Test_Capture.pcap expression host 172.27.11.1

copy out to my sddc manager 
---------------------------------------------------------
scp Test_Capture.pcap vcf@10.0.0.4:/nfs/vmware/vcf/nfs-mount/

By Kader