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infoblox_nios:troubleshooting [2025/09/26 08:31] – [Disk Issues] bstaffordinfoblox_nios:troubleshooting [2026/02/16 02:58] (current) – [TCPDUMP] bstafford
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 To capture traffic on a server (192.168.11.153) where the client (1921.68.99.74) is accessing TCP-443 on the server. To capture traffic on a server (192.168.11.153) where the client (1921.68.99.74) is accessing TCP-443 on the server.
 <code>tcpdump -i eth1 -n '(src 192.168.99.74 and dst 192.168.11.153 and dst port 443) or (src 192.168.11.153 and dst 192.168.99.74 and src port 443)'</code> <code>tcpdump -i eth1 -n '(src 192.168.99.74 and dst 192.168.11.153 and dst port 443) or (src 192.168.11.153 and dst 192.168.99.74 and src port 443)'</code>
 +
 +===== Automated Traffic Capture =====
 +Traffic Capture can be automated on events. [[https://docs.infoblox.com/space/nios90/280760742/Enabling+Automated+Traffic+Capture|docs]]
 ===== Hardware===== ===== Hardware=====
 (Don't try this without support) (Don't try this without support)
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 Nmap done: 1 IP address (1 host up) scanned in 0.03 seconds Nmap done: 1 IP address (1 host up) scanned in 0.03 seconds
 Maintenance Mode ></code> Maintenance Mode ></code>
 +
 +In addition, the following is a bit of a hacky way of showing connectivity. You can you misuse the dig command in expertmode to test the OpenVPN Ports - 
 +
 +Grid Member:
 +<code>dig -v <local interface ip>#1194 @<gridmaster vip> -p 1194 dummy.domain
 +dig -v <local interface ip>#2114 @<gridmaster vip> -p 2114 dummy.domain</code>
 +This will send a UDP packet from the specified interface IP address and local port to the specified port on the Gridmaster VIP.
 +
 +Grid Master:
 +To verify the incoming packet, you will need to start a traffic capture or tcpdump on the CLI.
 +
 ===== Traceroute ===== ===== Traceroute =====
 <code>traceroute -U -s GMCip memberIP-p 2114 -n -w 0.75 -f 30-q 1 <code>traceroute -U -s GMCip memberIP-p 2114 -n -w 0.75 -f 30-q 1
infoblox_nios/troubleshooting.1758875498.txt.gz · Last modified: by bstafford