Enabling CIDR notation on Cisco 877

Hi,

I have a Cisco 877 running c870-advipservicesk9-mz.124-15.T4 and am attempting to get it to handle CIDR notation for ACLs, etc and have had no luck. Have issued both 'ip classless' and 'ip subnet-zero' however neither show up in the running configuration.

What am I missing?

Building configuration...
 
Current configuration : 2961 bytes
!
version 12.4
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Oblivion
!
boot-start-marker
boot-end-marker
!
no logging buffered
no logging console
!
no aaa new-model
!
!
ip cef
!
!
no ip dhcp use vrf connected
ip dhcp excluded-address 10.0.250.0 10.0.250.60
ip dhcp excluded-address 10.0.250.250 10.0.250.255
!
ip dhcp pool LAN
   network 10.0.250.0 255.255.255.0
   dns-server 10.0.250.254
   default-router 10.0.250.254
   lease 2
!
ip dhcp pool dhcp_static_matt
   host 10.0.250.10 255.255.255.0
   client-identifier 0100.18f3.0d78.eb
!
!
ip domain lookup source-interface Dialer0
ip domain name Xembler
ip name-server 203.12.160.35
ip name-server 203.12.160.36
ip inspect name myfw tcp
ip inspect name myfw udp
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
multilink bundle-name authenticated
!
!
username admin privilege 15 secret 5 <password>
!
!
archive
 log config
  hidekeys
!
!
ip ssh time-out 60
ip ssh authentication-retries 2
!
!
!
interface ATM0
 no ip address
 ip virtual-reassembly max-reassemblies 1024
 no ip mroute-cache
 load-interval 30
 no atm ilmi-keepalive
 pvc 8/35
  encapsulation aal5snap
  pppoe-client dial-pool-number 1
 !
 dsl operating-mode auto
!
interface FastEthernet0
 switchport access vlan 2
!
interface FastEthernet1
 switchport access vlan 2
!
interface FastEthernet2
 switchport access vlan 2
!
interface FastEthernet3
 switchport access vlan 2
!
interface Vlan1
 no ip address
!
interface Vlan2
 ip address 10.0.250.254 255.255.255.0
 ip accounting output-packets
 ip nat inside
 ip virtual-reassembly
!
interface Dialer0
 ip address negotiated
 ip access-group borderfw in
 ip nat outside
 ip virtual-reassembly
 encapsulation ppp
 dialer pool 1
 dialer idle-timeout 0
 dialer persistent
 dialer-group 1
 no cdp enable
 ppp authentication chap callin
 ppp chap password 0 <password>
 ppp pap sent-username <username> password 0 <password>
 ppp ipcp route default
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 dhcp
!
!
no ip http server
no ip http secure-server
ip dns server
ip nat inside source static tcp 10.0.250.10 15881 interface Dialer0 15881
ip nat inside source route-map natmap interface Dialer0 overload
!
ip access-list extended borderfw
 permit tcp any any eq 22
 permit icmp 125.254.24.0 0.0.0.255 any echo-reply
 deny   icmp any any net-unreachable
 permit ip any any
ip access-list extended natlist
 deny   ip 10.0.250.0 0.0.0.255 10.0.80.0 0.0.0.255
 permit ip 10.0.250.0 0.0.0.255 any
!
!
!
!
route-map natmap permit 10
 match ip address natlist
!
!
control-plane
!
!
line con 0
 no modem enable
line aux 0
line vty 0 4
 login local
 transport input all
 transport output ssh
!
scheduler max-task-time 5000
end

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