Báo cáo bảo trì hệ thống mạng OSPFv3 và dual stack trong IPv6

-       Stack trong IPv6    C13QM15 -   13204301  13204285  13204296      Trang 2   3  3  4  5  5  6 Cisco 7  7  8  3 -STACK TRONG IPv6 17  17 - 18 2.3 Dual-Stack trong Cisco 18 2.4  19    Trang 3   t giao thnh tuyn theo trt (RFC 2740)  s d nh tuyt k  cht h t tra IPv4. OSPFv3 vn s dng gii thut  ng bnh tuyi thun nht SPF (Shortest-Path F p qu tin ca n. Dc khi trao p LSA, OSPF s ng topology mng. t giao thnh tuyn theo trc trin khai d   n m  c m  trong nhiu RFC ca IETF (Internet Engineering Task Force). Chun m  ưc s dt c thit b nh tuyn ca nhin xuc quyn. N             t giao th nh tuyn ni (IGP) t  rng c gii hn trong 15 hop, hi t ch chnh ch u t quan trc ph m ct giao thnh tuyn m  rng, p v thng mng hi  mng nh  dng vn.    Trang 4 1.2 Hong ca OSPFv3 t giao thnh tuyn cho IPv6. Hong cn d       t s     t giao th nh tuyn ư t (link-i mt giao thc vector kho  mt b mng. Mt giao thc link- state quynh tuyư ng dt kt ni t ngun  Tra mn k i quan h a interface t b ma i mưc kt ni t nh tuyn kt ni vi m ưc lan truy Link-state advertisements (LSAs). Mt t liưc lưu tr trong m d liu link-state (LSDB). Ni dung t  d liưc s dng cho thu kt qu cuo rnh tuyn OSPF.    Trang 5 S t ginh tuya mt t  d linh tuyn chưn nht t ưc bing interface c th   giưc co ra  m (area). Ma mp nhau. Trong tt c t mc g   Area 0. Tt c i phi kt ni trc tip tc phưng kt ni ng kt hoc tp hnh tuyc g Area border Router - ABR. Router gi    tr     c g  Autonomous System Boundary Router - ASBR.  1.3.1 Ging nhau : - OSPFv3 s dn ging như OSPFv2, chng hn như    d liu - ưc gpacket - DDP, link-state request (LSR), link-state update (LSU), link-state  link-state advertisment (LSA). -              cnh ng nhau. - Hong cưthc cu m-ti-ưc h tr. - n ging nhau  n  -  Router ID vn gi y tin  ưa ch IPv4.    Trang 6  - Giao thc OSPFv3 x  OSPFv2. Vi s  ưc cp cho mt link duy nht. Hai node m giao tip vt gibt cht subnet mn viu khon v "m"subnet" trong ưc thay th i "link" trong OSPFv3. -  cht link. Cnhiu  tr ch s dng mt link   thuc v nhig. S da ch link-local cho m ng cu  - a ch i. OSPFv3 s da ch multicast sau : + FF02::5 - i din cho tt c    ư ư  a ch 224.0.0.5 trong OSPFv2. + FF02::6 - i din cho tt c designated routers (DR). Tưưi a ch 224.0.0.6 trong OSPFv2. - OSPFv3 loi b a ch ng  + a ch  + Router--a ch IPv6. + -state ID vn gi ưc 32 bit caIPv4, a ch  + ưnh bi router ID ch i IP c -  chng tho mi. Trong header ctrưng chng th loi b dng chng th bo mư  Payload (ESP m bt ca vinh tuyn.    Trang 7 -  ư  loi b trong header c  ư ng      i LSA c  ư     Sequence Number. 1.4 Ct b Cisco   Router(config)#ipv6 unicast-routing    Router>enable Router#configure terminal Router(config)#ipv6 unicast-routing Router(config)#ipv6 router ospf 1 Router(config-rtr)#router-id 2.2.2.2 Router(config-rtr)#end ipv6 unicast-routing ! ipv6 router ospf 1 router-id 2.2.2.2    Trang 8    Router>enable Router#configure terminal Router(config)#interface fa0/0 Router(config-if)#ipv6 enable Router(config-if)#ipv6 address 2002:1000:1::1/64 Router(config-if)#ipv6 ospf 1 area 0 Router(config-if)#ipv6 ospf priority 20 Router(config-if)#ipv6 ospf cost 20   Router(config)#interface [type-number]  Router(config-if)#ipv6 enable  Router(config-if)#ipv6 address [address]/[prefix-length](eui-64)  subnet-mark Router(config-if)#ipv6 ospf process-id area area-ip  process-idarea-id Router(config-if)#ipv6 ospf cost cost cost -65535> Router(config-if)#ipv6 ospf priority priority-number  priority-number-255> interface fastEthernet0/0 ipv6 address 2002:1000:1::1/64 ipv6 ospf 1 area 0 ipv6 ospf priority 20 ipv6 ospf cost 20    Trang 9  - +  -   - +   Interface loopback R1 R1>enable R1#config R1(config)#int loopback0 R1(config-if)#ip address 10.1.1.1 255.255.255.0 R1(config-if)#ipv6 address 2002:1::1/64 R1(config-if)#ex R1(config-if)#ex    Trang 10 R2 R2>enable R2#config R2(config)#int loopback0 R2(config-if)#ip address 10.1.2.1 255.255.255.0 R2(config-if)#ipv6 address 2002:2::1/64 R2(config-if)#ex R3 R3>enable R3#config R3(config)#int loopback0 R3(config-if)#ip address 10.1.3.1 255.255.255.0 R3(config-if)#ipv6 address 2002:3::1/64 R3(config-if)#ex  Interface Serial R1 R1(config)#interface serial1/0 R1(config)interface serial1/1 R1(config-if)#ipv6 enable R1(config-if)#ipv6 enable R1(config-if)#ipv6 address 2000:12::1/64 R1(config-if)#ipv6 address 2000:13::1/64 R1(config-if)#no shutdown R1(config-if)#no shutdown R1(config-if)#ex R1(config-if)#ex R2 R2(config)#interface serial1/0 R2(config)interface serial1/1 R2(config-if)#ipv6 enable R2(config-if)#ipv6 enable R2(config-if)#ipv6 address 2000:12::2/64 R2(config-if)#ipv6 address 2000:13::2/64 R2(config-if)#no shutdown R2(config-if)#no shutdown R2(config-if)#ex R2(config-if)#ex R3 R3(config)#interface serial1/0 R3(config)interface serial1/1 R3(config-if)#ipv6 enable R3(config-if)#ipv6 enable R3(config-if)#ipv6 address 2000:13::3/64 R3(config-if)#ipv6 address 2000:23::3/64 R3(config-if)#no shutdown R3(config-if)#no shutdown R3(config-if)#ex R3(config-if)#ex [...]... R2(config-if)#interface serial 1/1 R2(config-if) #ipv6 ospf 1 area 0 R3(config)#interface loopback0 R3(config-if) #ipv6 ospf 1 area 0 R3(config-if)#interface serial 1/0 R3(config-if) #ipv6 ospf 1 area 0 R3(config-if)#interface serial 1/1 R3(config-if) #ipv6 ospf 1 area 0 Trang 13 ể Trang 14 bả ị ế Trang 15 ắ ó Trang 16 2 -STACK TRONG IPv6 2 ức th c thi TCP/IP bao g m cả t ng IP c Dual- , IPv6 Thiết bị hỗ tr cả 2 giao thứ... hi n nay ho , ng dual- , :h u ết bị ịnh tuyến Cisco, Juniper 2.2 Dual- stack trong h đ n W ndows ưa phả Th c tế, th t c IPv6 trong h - ú ĩ b t c a TCP/UDP Driver c a th t c IPv6 (tcpip6.sys) chứa hai th 2.3 Dual- stack trong Cisco , ế ng th ó ẽ ho ư cc ả hai d ịa chỉ trong ng dual- stack Trang 18 2 ìn ử ả ậ - ộ d n , n - E - E E , ị - ả E bả ế Trang 19 - á rìn n - Show config PC1 ! version 12.4 service... ch n m t trong hai giao thức cho từ n cho IPv6 ở a ưu ị ó ể sử d ng IPv6) -Stack ú ẽ ó bả ả ị ỗ ỉ ó ẽ ó bả ị ặ ị ỉ ả ó ) , bả ị ỗ bả ó ỏ ế ị ị ị ỏ ế ị ỉ ỉ ị ứ ỉ ế q ả ỉ ả ả ị ỉ ả ả ế ỉ ỉ ả ả ó ó ị ả ậ ể ỏ ế bả bả ghi A ể ) b ế q ả b ả ị ậ ỉ ừ ắ ế ẽ ẩ ả , ó ị ế ị ó ó ỉ ó ỉ ế ẽ ó ả ế ẩ Trang 17 R t nhi u ứng d , ết bị hi n nay ho , ng dual- , :h u ết bị ịnh tuyến Cisco, Juniper 2.2 Dual- stack trong h... R2(config)# ipv6 cef R3(config)# ipv6 unicast-routing R3(config)# ipv6 cef ổ R1(config)#interface loopback0 R1(config-if) #ipv6 ospf 1 area 0 R1(config-if)#interface serial 1/0 R1(config-if) #ipv6 ospf 1 area 0 R1(config-if)#interface serial 1/1 R1(config-if) #ipv6 ospf 1 area 0 R2(config)#interface loopback0 R2(config-if) #ipv6 ospf 1 area 0 R2(config-if)#interface serial 1/0 R2(config-if) #ipv6 ospf 1... / ừ ửd ị nh ipv6 address address link-local ể b ịnh danh nh show ipv6 t interface ổ ị mặ ịnh ịa chỉ link- Trang 11 Kiểm tra l l nh ping ể chắc r ịa chỉ link-local m i v ịa chỉ link-local m nh show ipv6 interface ng Trang 12 + Mặ ị ó ể bắ E ư c bậ ịnh tuyế ịnh tuyế ó E ) ặ ậy ta phải bật chức ể bậ a Cisco nh m chuyển m ó R1(config)# ipv6 unicast-routing R1(config)# ipv6 cef R2(config)# ipv6 unicast-routing... boot-start-marker boot-end-marker ! ! no aaa new-model ! ! ip cef no ip domain lookup ! ! ! ipv6 unicast-routing ipv6 cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 no ip address shutdown duplex half ! interface Serial1/0 ip address 192.168.12.1 255.255.255.0 ipv6 address 2000:12::1/64 ipv6 enable ipv6 ospf 1 area 0 serial restart-delay 0 ! interface Serial1/1 no ip address shutdown... boot-start-marker boot-end-marker ! ! no aaa new-model ! ! ip cef no ip domain lookup ! ! ! ipv6 unicast-routing ipv6 cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface FastEthernet0/0 no ip address shutdown duplex half ! interface Serial1/0 Trang 25 ip address 192.168.12.2 255.255.255.0 ipv6 address 2000:12::2/64 ipv6 enable ipv6 ospf 1 area 0 serial restart-delay 0 ! interface Serial1/1 no ip address shutdown... boot-end-marker ! ! no aaa new-model ! ! ip cef no ip domain lookup ! ! ! ipv6 unicast-routing ipv6 cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 1.1.1.1 255.255.255.0 ! interface FastEthernet0/0 no ip address shutdown duplex half ! interface FastEthernet1/0 no ip address duplex auto speed auto ipv6 address 2001:1::2/64 ipv6 ospf 1 area 0 ! interface FastEthernet1/1 no ip address shutdown... 10.0.0.1 255.255.255.0 duplex auto speed auto ! interface FastEthernet2/1 no ip address Trang 24 duplex auto speed auto ipv6 address 2001:1::1/64 ipv6 enable ipv6 ospf 1 area 0 ! router rip version 2 network 10.0.0.0 network 192.168.12.0 ! ! no ip http server no ip http secure-server ! ! ipv6 router ospf 1 log-adjacency-changes ! ! ! ! ! control-plane ! ! ! ! ! ! gatekeeper shutdown ! ! line con 0 exec-timeout... boot-end-marker ! ! no aaa new-model ! ! ip cef no ip domain lookup ! ! ! ipv6 unicast-routing ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 2.2.2.2 255.255.255.0 ! interface FastEthernet0/0 no ip address shutdown duplex half ! interface FastEthernet1/0 no ip address duplex auto speed auto ipv6 address 2002:1::2/64 ipv6 enable ipv6 ospf 1 area 0 ! interface FastEthernet1/1 no ip address . 8  3  -STACK TRONG IPv6 17  17 - 18 2.3 Dual- Stack trong Cisco 18 2.4  19 . m  R1(config)# ipv6 unicast-routing R1(config)# ipv6 cef R2(config)# ipv6 unicast-routing R2(config)# ipv6 cef R3(config)# ipv6 unicast-routing R3(config)# ipv6 cef . hong dual-  : h u  t b nh tuyn Cisco, Juniper 2.2 Dual- stack trong h  Thc t, th tc IPv6 trong h