Erics-Router#show running-config
Building configuration...

Current configuration : 1304 bytes
!
! Last configuration change at 19:29:13 UTC Wed Dec 14 2022
!
version 15.8
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
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hostname Erics-Router
!
boot-start-marker
boot-end-marker
!
!
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no aaa new-model
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ip cef
no ipv6 cef
multilink bundle-name authenticated
!
!
!
license udi pid C921-4P sn PSZ26221HSZ
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!
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redundancy
!
!
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interface GigabitEthernet0
 no ip address
!
interface GigabitEthernet1
 no ip address
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interface GigabitEthernet2
 no ip address
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interface GigabitEthernet3
 no ip address
!
interface GigabitEthernet4
 ip address 10.10.0.254 255.255.255.0
 ip nat inside
 ip virtual-reassembly in
 duplex auto
 speed auto
!
interface GigabitEthernet5
 ip address dhcp
 ip nat outside
 ip virtual-reassembly in
 duplex auto
 speed auto
!
interface Vlan1
 no ip address
!
ip forward-protocol nd
no ip http server
no ip http secure-server
!
!
ip nat inside source list 50 interface GigabitEthernet5 overload
ip nat inside source static udp 10.10.0.25 5060 10.161.1.46 5060 extendable
ip nat inside source static tcp 10.10.0.25 9061 10.161.1.46 9061 extendable
!
!
!
access-list 50 permit any
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control-plane
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!
line con 0
line vty 0 4
 login
 transport input none
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scheduler allocate 20000 1000
!
end

Erics-Router#