Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

chris_connell_1's avatar
chris_connell_1
Icon for Nimbostratus rankNimbostratus
15 years ago

Floating self IP and virtual IP using same address.

Hi     A client is sending wap traffic to a virtual server (destination IP for the request is the virtual address defined on the F5 virtual server). This is not working in that I cannot see any ...
config
design
chris_connell_1's avatar
chris_connell_1
Icon for Nimbostratus rankNimbostratus
15 years ago

 

Thanks I removed the selfip as I dont think its a good idea generally.

 

 

As a side note I want to test the connection to my virtual server works on the active device from the standby device by sending a telnet 8080. I can ping the virtual IP from the other standby F5.. (it has routing domain configured and is in routing domain %4)

 

 

ping 10.252.1.61%4 <-- virtual ip on F5 active device

 

PING 10.252.1.61%4(10.252.1.61%4) 56 data bytes

 

64 bytes from 10.252.1.61%4: icmp_seq=0 ttl=64 time=4.15 ms

 

 

But cant figure out how to connect to it from the standby device e.g. telnet 10.252.1.61 8080 via route domain4, I cant use 10.252.1.61%4, it gives me unresolved. I want to somehow send a request to it via route domain4 to check I get a response from port 8080. Any ideas? or perhaps I have to enter route domain 4 mode or something?