Rtr config

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Rtr config

  1. 1. Router Configuration Configuring interfaces
  2. 2. Configuration categoriesGlobal configuration mode– parameters set apply to all interfacesInterface configuration– sets parameters for selected interface
  3. 3. Router Interfacestypes– serial; parallel– most common router set-up has 2 of each
  4. 4. comparisonsdesignation– S0,S1; E0,E1communication– serial to WAN, parallel to LANdata rates– serial range 10’s kbit/s to 2Mbit/s– Parallel range 10/100Mbit/s common, Gigabit increasingly used
  5. 5. considerationsdata rate differential– Gigabit WAN link unlikelybandwidth v cost– LAN bandwidth not usually an issue– WAN bandwidth costly
  6. 6. Configuration tasks -Serial portTask 1) - assign network addressTask 2) - define encapsulation typeTask 3) - define bandwidthTask 4) - assign ACL’s
  7. 7. Task 1 -Assign network addresses– each interface has a unique network address– address must match remoteCLI command to assign networkaddress is– Router (config-if)#ip address nnn.nnn.nnn.nnn sss.sss.sss.sss
  8. 8. Task 2define encapsulation typePPP most widely used encapsulation– ppp, replacing slip as standard serial line protocol; can encapsulate chap/pap– slip uses PAP encapsulation, less secure than CHAP– CLI command to define encapsulation type is– Router (config-if)#encapsulation ppp
  9. 9. Task 3– Define bandwidth sets data transfer rate of WAN link used by link-state routing protocols for path determination– CLI command to define bandwidth is– Router (config-if)#bandwidth NNNNN
  10. 10. Task 4– Assign ACL’s can permit or deny specific users, protocols, directions ACL’s created in Global config mode access-groups implemented on interface basis– CLI command to assign an access- group is– Router (config-if)#ip access-group nnn
  11. 11. Finally..
  12. 12. Remember “no shutdown”Brings interface into service onceconfiguration complete

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