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CCNPv7 ROUTE Chapter 6 Lab 6-1, Configure NAT Services Instructor Version Topology Objectives  Configure dynamic NAT and static NAT on the HQ router.  Configure dynamic NAT on the Branch router.  Verify the configuration and operation using show commands. © 2014 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public. Page 1 of 11 CCNPv7 ROUTE
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  CCNPv7 ROUTE Chapter 6 Lab 6-1, Configure NAT Servie! n!trutor #er!ion Topo$og%Ob&etive! ã Configure dynamic NAT and static NAT on the HQ router. ã Configure dynamic NAT on the Branch router. ã Verify the configuration and operation using !ho'  commands. © 201 Cisco and!or its affi iates. A rights reser#ed. This document is Cisco $u% ic. $age 1 of 11  CCNPv7 ROUTE  &a% '(1) Configure NAT *er#ices (a)groun* The HQ and Branch sites must %e configured to support NAT. *pecifica y) the HQ and Branch routers +i %e configured to pro#ide inside &AN users +ith outside pu% ic addresses using NAT. The HQ router +i a so pro#ide static NAT to access the ,mai ser#er from the outside net+or-. Note+  This a% uses Cisco 11 routers +ith Cisco /* e ease 1.2 +ith /$ Base. 3epending on the router or s+itch mode and Cisco /* *oft+are #ersion) the commands a#ai a% e and output produced might #ary from +hat is sho+n in this a%. Reuire* Re!oure! ã 4 routers 5Cisco /* e ease 1.2 or compara% e6 ã *eria and ,thernet ca% es Step 1+ Configure $oopba)! an* a!!ign a**re!!e! Ca% e the net+or- as sho+n in the topo ogy diagram. ,rase the startup configuration and re oad each router to c ear pre#ious configurations. 7sing the addressing scheme in the diagram) app y the /$ addresses to the interfaces on the HQ) /*$) and Branch routers.8ou can copy and paste the fo o+ing configurations into your routers to %egin. Note 9 3epending on the router mode ) interfaces might %e num%ered different y than those isted. 8ou might need to a ter the designations according y. ./ 0R1 hostname HQ!interface Loopback0 description Headquarters LAN ip address 10.10.10.1 255.255.255.0exit!interface Loopback1 description imuates the mai er#er ip address 10.10.20.2$% 255.255.255.255exit!interface eria0&0&0 description 'onnection to () ip address 20*.1+5.200.22+ 255.255.255.2,% cock rate 12%000 no shutexit!end SP 0R2 hostname ()!interface Loopback0 description imuatin- the (nternet ip address 20*.1+5.202.12* 255.255.255.2,0 © 201 Cisco and!or its affi iates. A rights reser#ed. This document is Cisco $u% ic. $age 2 of 11  CCNPv7 ROUTE  &a% '(1) Configure NAT *er#ices exit!interface eria0&0&0 description 'onnection to HQ ip address 20*.1+5.200.225 255.255.255.2,% no shutexit!interface eria0&0&1 description 'onnection to ranch ip address 20*.1+5.200.2,1 255.255.255.2,% cock rate 12%000 no shutexit!ip route 20*.1+5.200.2$2 255.255.255.2,% eria0&0&0ip route 20*.1+5.200.2,% 255.255.255.2,% eria0&0&1!end (ranh 0R3 hostname ranch!interface Loopback0 description ranch LAN ip address 1*2.1+%.1.1 255.255.255.0exit!interface eria0&0&1 description 'onnection to () ip address 20*.1+5.200.2,2 255.255.255.2,% no shutexit!end a.Verify your configuration %y using the !ho' ip interfae brief   and the !ho' interfae! *e!ription  command. The output from the Branch router is sho+n here as an e:amp e. ranch/ show ip interface brief | include up eria0&0&1 20*.1+5.200.2,2   manua up up Loopback0 1*2.1+%.1.1   manua up up ranch/ranch/ show interfaces description | include up e0&0&1 up up 'onnection to ()Lo0 up up ranch LANranch/ %.;rom the Branch router) run the fo o+ing Tc script to #erify connecti#ity. foreach address {209.165.200.241209.165.202.129209.165.200.226} { ping $address } © 201 Cisco and!or its affi iates. A rights reser#ed. This document is Cisco $u% ic. $age 4 of 11  CCNPv7 ROUTE  &a% '(1) Configure NAT *er#ices ranch/ tclsh ranchtc/ foreach address { 3420*.1+5.200.2,13420*.1+5.202.12*3420*.1+5.200.22+34 6 pin- 7address 89pe escape sequence to abort.endin- 5: 100;b9te ('<) chos to 20*.1+5.200.2,1: timeout is 2 seconds=!!!!!uccess rate is 100 percent 5&5: round;trip min&a#-&max > 12&1$&1+ ms89pe escape sequence to abort.endin- 5: 100;b9te ('<) chos to 20*.1+5.202.12*: timeout is 2 seconds=.....uccess rate is 0 percent 0&589pe escape sequence to abort.endin- 5: 100;b9te ('<) chos to 20*.1+5.200.22+: timeout is 2 seconds=.....uccess rate is 0 percent 0&5ranchtc/ <hy do the pings to the /*$s oop%ac- and HQ router address fai = >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> The ping fai s %ecause the Branch and HQ routers re?uire a defau t route to /*$. Step 2+ Configure *efau$t !tati route! on (ranh an* ./ a.n HQ) configure a defau t static route to /*$. HQconfi-/ ip route 0.0.0.0 0.0.0.0 209.165.200.225 %.n the Branch router) configure a defau t static route to /*$.8ou can copy and paste the fo o+ing configurations into your routers. ranchconfi-/ ip route 0.0.0.0 0.0.0.0 209.165.200.241 c.;rom the Branch router) run the fo o+ing Tc script to #erify connecti#ity. foreach address {209.165.200.241209.165.202.129209.165.200.226!} { ping $address} ranch/ tclsh ranchtc/ foreach address { 3420*.1+5.200.2,13420*.1+5.202.12*3420*.1+5.200.22+34 6 pin- 7address 89pe escape sequence to abort.endin- 5: 100;b9te ('<) chos to 20*.1+5.200.2,1: timeout is 2 seconds=!!!!!uccess rate is 100 percent 5&5: round;trip min&a#-&max > 12&1$&1+ ms89pe escape sequence to abort.endin- 5: 100;b9te ('<) chos to 20*.1+5.202.12*: timeout is 2 seconds=!!!!! © 201 Cisco and!or its affi iates. A rights reser#ed. This document is Cisco $u% ic. $age  of 11
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