Specifications

Configuring Network Address Translation (NAT) ip nat inside source list
18-4 Network Address Translation (NAT) Configuration
Parameters
Defaults
Ifnonetmaskorprefix‐lengthisspecified,alladdressesintherangeareused.
Mode
Routercommand,Globalconfiguration:Matrix‐>Router(config)#
Usage
ThedynamicaddressbindingfeaturedrawsinterfacesfromaspecifiedNATpool.Thenetmask
andprefix‐lengthparametersareoptional.Ifnovaluesaregiven,ahostroutewillbeaddedfor
eachIPaddressinthepool.Ifeitherparameterisgiven,theIPaddressrangewillbechecked
against
thenetmaskandanetworkroutewillbeaddedforthispool.
ThenoversionofthecommanddeletesthespecifiedNATpool.
Example
Thisexampledefinesthedoc1NATaddresspoolwithastartaddressof10.10.10.25andend
addressof10.10.10.45andanetmaskof255.255 .255.0:
Matrix->Router(config)#ip nat pool doc1 10.10.10.25 10.10.10.45 netmask
255.255.255.0
ip nat inside source list
Usethiscommandtoenabledynamictranslationofinsidesourceaddresses.
Syntax
ip nat inside source list access-list pool pool-name [overload | interface vlan
vlan-id [overload]]
no ip nat inside source list access-list pool pool-name [overload | interface vlan
vlan-id [overload]]
Parameters
Defaults
Ifoverloadisnotspecified,NATtranslationoccurs.Ifinterfacevlanisnotspecified,translationis
enabledonallVLANs.
name SpecifiesthenameofthisNATpool.
start‐ip‐address SpecifiesthestartoftheIPaddressrangeformembersofthisNATpool.
end‐ip‐address Specifiestheendofthe
IPaddressrangeformembersofthisNATpool.
netmask (Optional)SpecifiesthenetmaskforthisNATpoolrange.
prefix‐length (Optional)SpecifiestheprefixlengthforthisNATpoolrange.
access‐list Specifiesanaccess‐listofIPaddressestotranslateforthisinsidesource
address.
pool‐name SpecifiesapoolofIPaddressestotranslateforthisoutsideaddress
vlan‐id (Optional)SpecifiestheVLANtowhichatranslation isapplied.