cisco command to assign another IP address to cisco 2911

At the moment I have 2 IP addresses asssigned to one interface of my cisco 2911 router, I need to assign another one.  How and with what command I can accomplish it?  I need to assign it for the TMZ firewall purpose.  Help plz
amanzoorNetwork infrastructure AdminAsked:
Who is Participating?
Ernie BeekConnect With a Mentor ExpertCommented:
If I might add to ikalmar's comment:
Though it looks confusion you can add an unlimited number of secondary addresses:
bbaoConnect With a Mentor IT ConsultantCommented:
Router(config-if)# ip address ip-address mask

more info see here:
Istvan KalmarConnect With a Mentor Head of IT Security Division Commented:
you need:

conf t

Router(config-if)#interface x
Router(config-if)# ip address z.z.z.z y.y.y.y secondary

x: interface name
z.z.z.z: ip address
y.y.y.y: netmask

Best regards,
amanzoorNetwork infrastructure AdminAuthor Commented:
Thanks guys, bbao and ikalmar, I really appreciate it.
erniebeek, thanks for clarifying, it helped.
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