Forum Discussion
bletardph_10497
Aug 16, 2012Nimbostratus
Strange behaviour after upgrading from 10.2.3 to 10.2.4
Hi,
We've started upgrading our 2 BigIP from 10.2.3 to 10.2.4...
Everything was ok before on 10.2.3.
Unfortunately, we are getting a strange result... Here's the story:
Upgr...
bletardph_10497
Sep 26, 2012Nimbostratus
Hi Nitass,
Sorry for the late answer...
Yes, logfiles checked but nothing suspicious...
I've also tried sniffing with tcpdump on both devices to see what's going on... Previously I had verified the iptables on both devices.
When I try to connect the GUI console on the 'unavailable' system (the passive one but which should answer and present the login box anyway), nothing appear in the tcpdump trace. But I can see the connection tentatives in the tcpdump trace on the first device (the active one)...
Traces like :
14:45:27.440241 IP mylatop.14657 > peer.https: S 3121387903:3121387903(0) win 8192
14:45:27.445064 IP mylatop.12320 > LB1.ssh: . ack 35225 win 16327
14:45:27.647184 IP mylatop.12320 > LB1.ssh: . ack 35357 win 16660
14:45:27.676192 IP mylatop.14658 > peer.https: S 2141263268:2141263268(0) win 8192
14:45:27.679175 IP mylatop.12320 > LB1.ssh: . ack 35669 win 16582
14:45:27.885466 IP mylatop.12320 > LB1.ssh: . ack 35801 win 16549
14:45:27.942680 IP mylatop.14657 > peer.https: S 3121387903:3121387903(0) win 8192
...
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