[f-nsp] Issues with gslb

[Chris McGee]

My organization is trying to implement gslb on a pair of serveriron xl's at
different sites to distribute our web hosting.  Our dns servers are load
balanced by the SI's and everything is working except seeing themselves as
as active sites.  All responses for the best site are the remote site.
Hopefully someone with some gslb experience can shed some light on this.
>From the documentation I thought adding a server source-ip on the management
ip's subnet was the answer but that hasn't helped.    If you need any other
command or configuration output, please let me know.

 

The output of 'show gslb dns detail' check is:

ZONE: testzone.com

HOST: virtual: 

                                             Flashback    DNS resp.

                                             delay        selection

                                             (x100us)     counters

                                             TCP  APP     Count (%)

*    10.10.1.12: dns v-ip    ACTIVE N-AM     47   50    764827 (58%) 

                  site: remote-site, SI: site2 (10.10.1.10)

                  session util:   0%, avail. sessions: 524170

                  preference: 128

                  Metric counter (count [selection-metric]): 

                  221745[health-check]  543082[least-response]  

*   10.0.1.4: dns real-ip DOWN   N-AM     --   --    543082 (41%)

                        

This is the configuration information with names/ips changed to generic
ones:

Current configuration:

!

!

server predictor round-robin

server source-nat

server source-ip 10.0.0.245 255.255.255.0 0.0.0.0

server source-ip 10.0.1.254 255.255.255.0 0.0.0.0

server router-ports 1 

!

!

server real dns1 10.0.0.43

 port dns

 port dns proxy

!

server real dns2 10.0.0.44

 port dns

 port dns proxy

!

server real server1 10.0.0.81

 port http

 port http url "HEAD /"

!

server real server2 10.0.0.82

 port http

 port http url "HEAD /"

!

server virtual dns 10.0.1.3

 port dns

 bind dns dns1 dns dns2 dns

!

server virtual virtual1 10.0.1.4

 port http

 bind http server1 http server2 http

!

!

gslb protocol

 

gslb site this-site

 si site10.0.1.2

gslb site remote-site

 si site2 10.10.1.10                                         

 

gslb dns zone testzone.com

 host-info virtual1 http

 

!

vlan 1 name DEFAULT-VLAN by port

 no spanning-tree

!

hostname serverironxl

ip address 10.0.1.2 255.255.255.0

ip default-gateway 10.0.1.1

!

!

end

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