how can i know realservers' virutal tunnel device is down

[Joseph Mack NA3T]

On Fri, 12 Jan 2007, wlx wrote:

> our lvs/tun with wrr,they work well normally,but when a 
> realserver's tunnel isn't up ,i run curl --head 
> http://vip, it wouldn't pass when rolling the realserver 
> which tunnel is down, we have serveral realservers under a 
> vip,how can i know at the first time when a realserver's 
> tunnel is down.thanks!

see the note at the start of

http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.LVS-Tun.html

about the problem of two way communication between the 
director and the LVS-Tun realserver

Joe

-- 
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!