• JNCIP进阶OSPF MultiArea Configuration


    ospf1 

    To complete this configuration example, your OSPF configuration must meet the following criteria:

    • Router ID (RIfD) based on lo0 address.

    • lo0 address must be reachable via OSPF.

    • Loopback addresses from backbone routers appear as summaries in area 1.

    • The link between r3 and T1 must appear in area 0 as an intra-area route. Ensure that no adjacencies can be established on this interface.

    configure:

    lab@olive-r3# show
    version 6.4R3.4;
    system {
        host-name olive-r3;
        root-authentication {
            encrypted-password "$1$9HaTvZNq$B2vePIhHtepgp8fEnC6rJ0"; ## SECRET-DATA
        }
        login {
            user lab {
                uid 2008;
                class super-user;
                authentication {
                    encrypted-password "$1$saXjchrx$OSVYMP3IPIDXsB2Tzs1B1."; ## SECRET-DATA
                }
            }
        }
        services {
            telnet;
        }
    }
    logical-routers {
        r3 {
            interfaces {
                fxp1 {
                    unit 56 {
                        vlan-id 56;
                        family inet {
                            address 10.0.2.5/30;
                        }
                    }
                }
                fxp2 {
                    unit 12 {
                        vlan-id 12;
                        family inet {
                            address 10.0.2.2/30;
                        }
                    }
                    unit 13 {
                        vlan-id 13;
                        family inet {
                            address 172.16.0.13/30;
                        }
                    }
                }
                lo0 {
                    unit 3 {
                        family inet {
                            address 10.0.3.3/32;
                        }
                    }
                }
            }
            protocols {
                ospf {
                    area 0.0.0.0 {
                        interface lo0.3 {
                            passive;
                        }
                        interface fxp1.56;
                        interface fxp2.12;
                        interface fxp2.13 {
                            passive;
                        }
                    }
                }
            }
        }
        r4 {
            interfaces {
                fxp2 { 
                    unit 56 {
                        vlan-id 56;
                        family inet {
                            address 10.0.2.6/30;
                        }
                    }
                    unit 109 {
                        vlan-id 109;
                        family inet {
                            address 10.0.2.10/30;
                        }
                    }
                }
                lo0 {
                    unit 4 {
                        family inet {
                            address 10.0.3.4/32;
                        }
                    }
                }
            }
            protocols {
                ospf {
                    area 0.0.0.0 {
                        interface lo0.4 {
                            passive;
                        }
                        interface fxp2.109;
                        interface fxp2.56;
                    }
                }
            }
        }
        r5 {
            interfaces {
                fxp1 {
                    unit 12 {
                        vlan-id 12;
                        family inet {
                            address 10.0.2.1/30;
                        }
                    }
                    unit 65 {
                        vlan-id 65;
                        family inet {
                            address 10.0.8.6/30;
                        }
                    }
                    unit 109 {
                        vlan-id 109;
                        family inet {
                            address 10.0.2.9/30;
                        }
                    }
                    unit 910 {
                        vlan-id 910;
                        family inet {
                            address 10.0.8.9/30;
                        }
                    }
                }
                lo0 {
                    unit 5 {
                        family inet {
                            address 10.0.3.5/32;
                        }
                    }
                }
            }
            protocols {
                ospf {
                    area 0.0.0.0 {
                        interface lo0.5 {
                            passive;
                        }
                        interface fxp1.12;
                        interface fxp1.109;
                    }
                    area 0.0.0.1 {
                        authentication-type simple;
                        interface fxp1.65;
                        interface fxp1.910 {
                            authentication {
                                simple-password "$9$CJdepOILXNbw2jHCp"; ## SECRET-DATA
                            }
                        }
                    }
                }
            }
        }
        r6 {
            interfaces {
                fxp2 {
                    unit 21 {
                        vlan-id 21;
                        family inet {
                            address 10.0.8.1/30;
                        }
                    }
                    unit 65 {
                        vlan-id 65;
                        family inet {
                            address 10.0.8.5/30;
                        }
                    }
                }
                lo0 {
                    unit 6 {
                        family inet {
                            address 10.0.9.6/32;
                        }
                    }
                }
            }          
            protocols {
                ospf {
                    area 0.0.0.1 {
                        interface fxp2.21;
                        interface fxp2.65;
                        interface lo0.6 {
                            passive;
                        }
                    }
                }
            }
        }
        r7 {
            interfaces {
                fxp1 {
                    unit 21 {
                        vlan-id 21;
                        family inet {
                            address 10.0.8.2/30;
                        }
                    }
                }
                fxp2 {
                    unit 910 {
                        vlan-id 910;
                        family inet {
                            address 10.0.8.10/30;
                        }
                    }
                }
                lo0 {
                    unit 7 {
                        family inet {
                            address 10.0.9.7/32;
                        }
                    }
                }
            }          
            protocols {
                ospf {
                    area 0.0.0.1 {
                        authentication-type simple;
                        interface fxp2.910 {
                            authentication {
                                simple-password "$9$vZz8x-UDHmPTApv8"; ## SECRET-DATA
                            }
                        }
                        interface fxp1.21;
                        interface lo0.7 {
                            passive;
                        }
                    }
                }
            }
        }
        t1 {
            interfaces {
                fxp1 {
                    unit 13 {
                        vlan-id 13;
                        family inet {
                            address 172.16.0.14/30;
                        }
                    }
                }
            }
        }
    }
    interfaces {
        fxp0 {
            unit 0 {
                family inet {
                    address 192.168.4.236/24;
                }
            }
        }              
        fxp1 {
            vlan-tagging;
        }
        fxp2 {
            vlan-tagging;
        }
    }
    routing-options {
        static {
            route 0.0.0.0/0 next-hop 192.168.4.3;
        }
    }

    Verify OSPF

    [edit]
    lab@olive-r3# run show ospf interface logical-router r5
    Interface              State     Area            DR ID           BDR ID       Nbrs
    fxp1.109               BDR      0.0.0.0         10.0.3.4        10.0.3.5        1
    fxp1.12                DR       0.0.0.0         10.0.3.5        10.0.3.3        1
    lo0.5                  DRother  0.0.0.0         0.0.0.0         0.0.0.0         0
    fxp1.65                DR       0.0.0.1         10.0.3.5        10.0.9.6        1
    fxp1.910               BDR      0.0.0.1         10.0.9.7        10.0.3.5        1

    [edit]
    lab@olive-r3# run show ospf neighbor logical-router r5
      Address         Interface             State      ID              Pri  Dead
    10.0.2.10        fxp1.109               Full      10.0.3.4         128   30 
    10.0.2.2         fxp1.12                Full      10.0.3.3         128   38 
    10.0.8.5         fxp1.65                Full      10.0.9.6         128   33 
    10.0.8.10        fxp1.910               Full      10.0.9.7         128   33 

    lab@olive-r3# run show ospf database logical-router r5 

        OSPF link state database, area 0.0.0.0
     Type       ID               Adv Rtr           Seq      Age  Opt  Cksum  Len
    Router   10.0.3.3         10.0.3.3         0x80000006   844  0x2  0x7660  72
    Router   10.0.3.4         10.0.3.4         0x8000000c   844  0x2  0x345e  60
    Router  *10.0.3.5         10.0.3.5         0x8000000a   389  0x2  0x9c11  60
    Network *10.0.2.1         10.0.3.5         0x80000002   759  0x2  0x908a  32
    Network  10.0.2.6         10.0.3.4         0x80000002   278  0x2  0x5abd  32
    Network  10.0.2.10        10.0.3.4         0x80000002   578  0x2  0x4ec3  32
    Summary *10.0.8.0         10.0.3.5         0x80000004   837  0x2  0xfe38  28
    Summary *10.0.8.4         10.0.3.5         0x80000005   843  0x2  0xca68  28
    Summary *10.0.8.8         10.0.3.5         0x80000007   837  0x2  0x9e8e  28
    Summary *10.0.9.6         10.0.3.5         0x80000003   843  0x2  0xc16d  28
    Summary *10.0.9.7         10.0.3.5         0x80000003   837  0x2  0xb776  28

        OSPF link state database, area 0.0.0.1
     Type       ID               Adv Rtr           Seq      Age  Opt  Cksum  Len
    Router  *10.0.3.5         10.0.3.5         0x8000000a   843  0x2  0xa20b  48
    Router   10.0.9.6         10.0.9.6         0x80000006   844  0x2  0x6516  60
    Router   10.0.9.7         10.0.9.7         0x80000004   840  0x2  0xc1b7  60
    Network  10.0.8.1         10.0.9.6         0x80000001   885  0x2  0xe617  32
    Network *10.0.8.6         10.0.3.5         0x80000002   506  0x2  0x9472  32
    Network  10.0.8.10        10.0.9.7         0x80000002   840  0x2  0x24d5  32
    Summary *10.0.2.0         10.0.3.5         0x80000007   209  0x2  0x310a  28
    Summary *10.0.2.4         10.0.3.5         0x80000008    89  0x2  0x1124  28
    Summary *10.0.2.8         10.0.3.5         0x80000006   843  0x2  0xe251  28
    Summary *10.0.3.3         10.0.3.5         0x80000004   843  0x2  0x2017  28
    Summary *10.0.3.4         10.0.3.5         0x80000005   843  0x2  0x1421  28
    Summary *10.0.3.5         10.0.3.5         0x80000005   843  0x2  0xff35  28
    Summary *172.16.0.12      10.0.3.5         0x80000004   843  0x2  0x3641  28

    [edit]
    lab@olive-r3# run show ospf database logical-router r6   

        OSPF link state database, area 0.0.0.1
     Type       ID               Adv Rtr           Seq      Age  Opt  Cksum  Len
    Router   10.0.3.5         10.0.3.5         0x8000000a   951  0x2  0xa20b  48
    Router  *10.0.9.6         10.0.9.6         0x80000006   950  0x2  0x6516  60
    Router   10.0.9.7         10.0.9.7         0x80000004   948  0x2  0xc1b7  60
    Network *10.0.8.1         10.0.9.6         0x80000001   991  0x2  0xe617  32
    Network  10.0.8.6         10.0.3.5         0x80000002   614  0x2  0x9472  32
    Network  10.0.8.10        10.0.9.7         0x80000002   947  0x2  0x24d5  32
    Summary  10.0.2.0         10.0.3.5         0x80000007   317  0x2  0x310a  28
    Summary  10.0.2.4         10.0.3.5         0x80000008   197  0x2  0x1124  28
    Summary  10.0.2.8         10.0.3.5         0x80000007    17  0x2  0xe052  28
    Summary  10.0.3.3         10.0.3.5         0x80000004   951  0x2  0x2017  28
    Summary  10.0.3.4         10.0.3.5         0x80000005   951  0x2  0x1421  28
    Summary  10.0.3.5         10.0.3.5         0x80000005   951  0x2  0xff35  28
    Summary  172.16.0.12      10.0.3.5         0x80000004   951  0x2  0x3641  28

     

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  • 原文地址:https://www.cnblogs.com/Elliott/p/1289740.html
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