301b Exam Dumps : LTM Specialist: Maintain & Troubleshoot

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Refer to the exhibit.

A web application is configured to allow sessions to continue even after a user computer is shut down for the night. A new LTM device is configured to load balance the web application to several servers. The application owner reports that application users are logged out of the web application whenever their browser is restarted or computer is rebooted.

What is the problem?

An LTM Specialist is troubleshooting an issue with a new virtual server. When connecting through the virtual server, clients receive the message "Unable to connect" in the browser, although connections directly to the pool member show the application is functioning correctly. The LTM device configuration is:

ltm virtual /Common/vs_https {

destination /Common/10.10.1.110:443

ip-protocol udp

mask 255.255.255.255

pool /Common/pool_https

profiles {

/Common/udp { }

}

translate-address enabled

translate-port enabled

vlans-disabled

}

ltm pool /Common/pool_https {

members {

/Common/172.16.20.1:443 {

address 172.16.20.1

}

}

}

What issue is the LTM Specialist experiencing?

A failover event is recorded in the log messages:

Jan 01 00:00:50 BIG-IP notice sod[5855]: 01140029:5: HA proc_running tmm fails action is go offline and down links.

Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c0050:5: Sod requests links down.

Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c0054:5: Offline for traffic group /Common/traffic-group-1.

Jan 01 00:00:50 BIG-IP notice sod[5855]: 010c003e:5: Offline

Jan 01 00:00:50 BIG-IP notice logger: /usr/bin/tmipsecd --tmmcount 4 ==> /usr/bin/bigstart stop racoon

Jan 01 00:00:50 BIG-IP info lacpd[5502]: 01160016:6: Failover event detected. (Switchboard failsafe disabled while offline)

Jan 01 00:00:51 BIG-IP err bcm56xxd[5296]: 012c0010:3: Failover event detected. Marking external interfaces down. bsx.c(3633)

Jan 01 00:00:51 BIG-IP info bcm56xxd[5296]: 012c0015:6: Link: 1.1 is DOWN

Jan 01 00:00:56 BIG-IP notice mcpd[5318]: 0107143c:5: Connection to CMI peer 10.0.0.3 has been removed

Jan 01 00:00:56 BIG-IP notice mcpd[5318]: 0107143a:5: CMI reconnect timer: enabled

Jan 01 00:00:56 BIG-IP notice mcpd[5318]: 01071431:5: Attempting to connect to CMI peer 10.0.0.3 port 6699

What is the cause of the failover?