F5 Troubleshooting

F5 Troubleshooting:

# tmsh show /sys version
# tmsh show /net route
# tcpdump -ni 0.0 host 192.168.1.109 and port 80   -- tcpdump on all interfaces, filter on host and port
# bigstart status bigd   - The bigd monitor daemon provides system health checks. Impact of not running: Monitoring not available

The master control program daemon (MCPD) is the messenger service that allows two-way communication between userland processes and the Traffic Management Microkernel (TMM).
Impact of not running: No traffic management functionality; the system status cannot be retrieved or updated, and the system cannot be re-configured; other daemons will not be functional.

# tmsh list ltm pool webservers all-properties | more

# tmsh modify sys db bigd.debug value enable; tail -f /var/log/bigdlog; tmsh modify sys db bigd.debug value disable   - enable bigd debug, tail output, disable bigd debug

 

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Bigip mgmt IP configuration

Configuring the cluster IP address using tmsh

You can configure the cluster IP address using tmsh after you connect a blade to a serial terminal console.

  1. Connect to the system using the serial console.
  2. Type the following key sequence to set the cluster IP address and subnet mask: tmsh modify sys cluster default address <ip_address/mask> Example: tmsh modify sys cluster default address 192.168.217.44/24
  3. Type the following key sequence to set the default gateway for the cluster: tmsh modify sys management-route default gateway <gateway_ip> Example: tmsh modify sys management-route default gateway 172.20.80.254
  4. Write the running configuration to the stored configuration files. tmsh sys save [base-config | config]

The system saves the new IP address, subnet mask, and gateway address for the cluster. You can now access the browser-based Configuration utility using the cluster IP address you assigned.