SG500X DHCP setup - option 242

Good day
I'm trying to configure DHCP option 242 on a "Cisco" SG500x switch for Avaya phones that will be connecting to the switch
I have learnt (the hard way) that the SG500X "IOS" is different to what we are used to ...
Option 242 works perfectly on a Cisco 887VAG, but I can't get it configured on this switch
At this stage I don't have access to the Graphical Interface, switch is at a remote site, and only connection is console.
So here is what I have
interface vlan 1
ip address 10.1.1.1 255.255.255.0
no ip address dhcp
ip dhcp server
ip dhcp excluded-address 10.1.1.1 10.1.1.10
ip dhcp pool network DATA
address low 10.1.1.1 high 10.1.1.254 255.255.255.0
lease 0 8
domain-name testing.com
default-router 10.1.1.1
dns-server 8.8.8.8 8.8.4.4
*** here is the part I just cant get to work ***
option 242 ascii "MCIPADD=10.1.1.7,MCPORT=1719,HTTPSRVR=10.1.1.8,FTPSRVR=10.1.1.9,L2Q=1,L2QVLAN=12"
or
option 242 ascii MCIPADD=10.1.1.7,MCPORT=1719,HTTPSRVR=10.1.1.8,FTPSRVR=10.1.1.9,L2Q=1,L2QVLAN=12
I get the following error message :
switchcfc28f(config-dhcp)#$SRVR=10.1.1.8,FTPSRVR=10.1.1.9,L2Q=1,L2QVLAN=12"
Not supported option.
switchcfc28f(config-dhcp)#$RVR=10.1.1.8,FTPSRVR=10.1.1.9,L2Q=1,L2QVLAN=12
Not supported option.
Help and advice will be GREATLY appreciated
Regards
Neil

WouterC wrote:
How can we change our config to include both servers so we don't have to modify it when one server is down?The easiest way is to specify both server addresses in the AltAuth option:
option NewT.AltAuth 192.168.92.197, 192.168.92.198;
Another approach would be to move away from specifying server addresses in DHCP and do it by using DNS instead. Apparently this approach hasn't made it into the official SRSS docs yet but you can read about it in the ThinkThin blog at http://blogs.sun.com/ThinkThin/entry/sun_ray_provisioning .
OttoM.
Working for Oracle, but not speaking for Oracle.

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