Server Load Balance IP SLB SERVERFARM

[luanvancity]

Chao moi nguoi,
Minh muon dung feature IP SLB SERVERFARM tren con 2911 nhung cmd nay khong available, mong moi nguoi giup!
voicegw(config)#
voicegw(config)#ip slb serverfarm CUCMVIRTUAL
^
% Invalid input detected at '^' marker.
voicegw(config)#

IOS hien tai la:

IOS:flash0:c2900-universalk9-mz.SPA.151-2.T2.bin

Technology Package License Information for Module:'c2900'
----------------------------------------------------------------
Technology Technology-package Technology-package
Current Type Next reboot
-----------------------------------------------------------------
ipbase ipbasek9 Permanent ipbasek9
security None None None
uc uck9 Permanent uck9
data None None None

Cam on truoc/

[TieuPhuDonCui]

Con 2911 này có hỗ trợ IOS SLB không bạn? Hay phải platform cao hơn mới có.
search lảm nhảm nó nói 6k đến 7k gì đó.