DCN调试过程笔录

「爱情、让人受尽委屈。」 2022-04-10 13:19 188阅读 0赞

昨天学校突然断电 然后整个学校就无法上网了 以下为检修记录  
电脑连接DNC交换机  
本地连接设置固定  
10.11.120.251  
255.255.255.0  
10.11.120.254  
8.8.8.8  
打开超级终端

hexin-sw#sho ip int b
    Index     Interface             IP-Address      Protocol
    11001     Vlan1                 unassigned      up
    11010     Vlan10                10.11.144.2     up
    11020     Vlan20                unassigned      up
    11110     Vlan110               10.11.110.1     up
    11111     Vlan111               10.11.111.254   up
                                    192.168.1.1     (secondary)
    11112     Vlan112               10.11.112.254   up
    11113     Vlan113               10.11.113.254   up
    11114     Vlan114               10.11.114.254   up
    11115     Vlan115               10.11.115.254   up
    11116     Vlan116               10.11.116.254   up
    11117     Vlan117               10.11.117.254   up
    11118     Vlan118               10.11.118.254   up
    11119     Vlan119               10.11.119.254   up
    11120     Vlan120               10.11.120.254   up
    11200     Vlan200               10.11.200.254   up
    11201     Vlan201               10.11.201.254   up
    11202     Vlan202               10.11.202.254   up
    11300     Vlan300               unassigned      up
    17500     Loopback              127.0.0.1       up
    
    hexin-sw#sho ip rout
    Codes: K - kernel, C - connected, S - static, R - RIP, B - BGP
           O - OSPF, IA - OSPF inter area
           N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
           E1 - OSPF external type 1, E2 - OSPF external type 2
           i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
           * - candidate default
    
    Gateway of last resort is 10.11.110.2 to network 0.0.0.0
    
    S*      0.0.0.0/0 [1/0] via 10.11.110.2, Vlan110  tag:0
    C       10.11.110.0/24 is directly connected, Vlan110  tag:0
    C       10.11.111.0/24 is directly connected, Vlan111  tag:0
    C       10.11.112.0/24 is directly connected, Vlan112  tag:0
    C       10.11.113.0/24 is directly connected, Vlan113  tag:0
    C       10.11.114.0/24 is directly connected, Vlan114  tag:0
    C       10.11.115.0/24 is directly connected, Vlan115  tag:0
    C       10.11.116.0/24 is directly connected, Vlan116  tag:0
    C       10.11.117.0/24 is directly connected, Vlan117  tag:0
    C       10.11.118.0/24 is directly connected, Vlan118  tag:0
    C       10.11.119.0/24 is directly connected, Vlan119  tag:0
    C       10.11.120.0/24 is directly connected, Vlan120  tag:0
    C       10.11.144.0/21 is directly connected, Vlan10  tag:0
    C       10.11.200.0/24 is directly connected, Vlan200  tag:0
    hexin-sw#ping 10.11.110.2
    Type ^c to abort.
    Sending 5 56-byte ICMP Echos to 10.11.110.2, timeout is 2 seconds.
    ....
    Success rate is 0 percent (0/4), round-trip min/avg/max = 0/0/0 ms
    
    hexin-sw#sho ip int b
    Index     Interface             IP-Address      Protocol
    11001     Vlan1                 unassigned      up
    11010     Vlan10                10.11.144.2     up
    11020     Vlan20                unassigned      up
    11110     Vlan110               10.11.110.1     up
    11111     Vlan111               10.11.111.254   up
                                    192.168.1.1     (secondary)
    11112     Vlan112               10.11.112.254   up
    11113     Vlan113               10.11.113.254   up
    11114     Vlan114               10.11.114.254   up
    11115     Vlan115               10.11.115.254   up
    11116     Vlan116               10.11.116.254   up
    11117     Vlan117               10.11.117.254   up
    11118     Vlan118               10.11.118.254   up
    11119     Vlan119               10.11.119.254   up
    11120     Vlan120               10.11.120.254   up
    11200     Vlan200               10.11.200.254   up
    11201     Vlan201               10.11.201.254   up
    11202     Vlan202               10.11.202.254   up
    11300     Vlan300               unassigned      up
    17500     Loopback              127.0.0.1       up
    
    hexin-sw#sho int eth sta
    Codes: A-Down - administratively down, a - auto, f - force, G - Gigabit
    
    Interface  Link/Protocol  Speed   Duplex  Vlan   Type            Alias Name
    1/1        UP/UP          a-10M   a-FULL  110    G-Combo:Copper  to-firewall
    1/2        DOWN/DOWN      auto    auto    112    G-Combo
    1/3        DOWN/DOWN      auto    auto    114    G-Combo
    1/4        DOWN/DOWN      auto    auto    115    G-Combo
    1/5        DOWN/DOWN      auto    auto    111    G-Combo
    1/6        UP/UP          a-1G    a-FULL  trunk  G-Combo:Copper  to-shitang
    1/7        UP/UP          a-1G    a-FULL  120    G-Combo:Copper
    1/8        UP/UP          a-1G    a-FULL  120    G-Combo:Copper
    1/9        DOWN/DOWN      auto    auto    111    G-Combo
    1/10       UP/UP          a-100M  a-FULL  trunk  G-Combo:Copper  to-5#lou-5750
    1/11       UP/UP          a-100M  a-FULL  300    G-Combo:Copper
    1/12       DOWN/DOWN      auto    auto    120    G-Combo
    1/13       DOWN/DOWN      auto    auto    111    G-Combo
    1/14       UP/UP          a-1G    a-FULL  201    G-Combo:Copper
    1/15       UP/UP          a-1G    a-FULL  201    G-Combo:Copper  to-AC
    1/16       DOWN/DOWN      auto    auto    112    G-Combo
    1/17       DOWN/DOWN      auto    auto    trunk  SFP
    1/18       DOWN/DOWN      auto    auto    trunk  SFP
    1/19       DOWN/DOWN      auto    auto    trunk  SFP
    1/20       DOWN/DOWN      auto    auto    trunk  SFP
    hexin-sw#sho ru
    !!
    switch convert mode stand-alone
    !!
    !
    no service password-encryption
    !
    hostname hexin-sw
    sysLocation China
    sysContact 400-810-9119
    !
    authentication logging enable
    !
    username admin privilege 15 password 0 admin
    !
    !
    !
    !
    service dhcp
    !
    ip dhcp excluded-address 10.11.144.1 10.11.144.10
    !
    ip dhcp pool ap
     network-address 10.11.202.0 255.255.255.0
     default-router 10.11.202.254
     option 43 hex 01040A0BC901
    !
    ip dhcp pool vlan-uer
     network-address 10.11.144.0 255.255.248.0
     lease 0 3 0
     default-router 10.11.144.2
     dns-server 202.99.166.4
    !
    !
    !
    !
    !
    !
    Interface Ethernet0
    !
    !
    !
    !
    vlan 1;10;20;110-119;201-202
    !
    vlan 120
     name to-server
    !
    vlan 200
     name management-vlan
    !
    vlan 300
     name wuye
    !
    Interface Ethernet1/1
     description to-firewall
     switchport access vlan 110
    !
    Interface Ethernet1/2
     switchport access vlan 112
    !
    Interface Ethernet1/3
     switchport access vlan 114
    !
    Interface Ethernet1/4
     switchport access vlan 115
    !
    Interface Ethernet1/5
     switchport access vlan 111
    !
    Interface Ethernet1/6
     description to-shitang
     switchport mode trunk
     switchport trunk native vlan 202
    !
    Interface Ethernet1/7
     switchport access vlan 120
    !
    Interface Ethernet1/8
     switchport access vlan 120
    !
    Interface Ethernet1/9
     switchport access vlan 111
    !
    Interface Ethernet1/10
     description to-5#lou-5750
     switchport mode trunk
    !
    Interface Ethernet1/11
     switchport access vlan 300
    !
    Interface Ethernet1/12
     switchport access vlan 120
    !
    Interface Ethernet1/13
     switchport access vlan 111
    !
    Interface Ethernet1/14
     switchport access vlan 201
    !
    Interface Ethernet1/15
     description to-AC
     switchport access vlan 201
    !
    Interface Ethernet1/16
     switchport access vlan 112
    !
    Interface Ethernet1/17
     switchport mode trunk
    !
    Interface Ethernet1/18
     switchport mode trunk
    !
    Interface Ethernet1/19
     switchport mode trunk
    !
    Interface Ethernet1/20
     switchport mode trunk
    !
    Interface Ethernet1/21
     switchport mode trunk
    !
    Interface Ethernet1/22
     description to-4#lou-5750
     switchport mode trunk
    !
    Interface Ethernet1/23
     switchport mode trunk
    !
    Interface Ethernet1/24
     description to-1#lou-5750
     switchport mode trunk
    !
    Interface Ethernet2/1
     switchport mode trunk
    !
    Interface Ethernet2/2
     switchport access vlan 117
    !
    Interface Ethernet2/3
     switchport access vlan 117
    !
    Interface Ethernet2/4
     switchport access vlan 117
    !
    Interface Ethernet2/5
     switchport access vlan 117
    !
    Interface Ethernet2/6
     switchport access vlan 117
    !
    Interface Ethernet2/7
     switchport access vlan 117
    !
    Interface Ethernet2/8
     switchport access vlan 117
    !
    Interface Ethernet2/9
     switchport access vlan 117
    !
    Interface Ethernet2/10
     switchport access vlan 117
    !
    Interface Ethernet2/11
     switchport access vlan 117
    !
    Interface Ethernet2/12
     switchport access vlan 117
    !
    Interface Ethernet2/13
     switchport mode trunk
    !
    Interface Ethernet2/14
     switchport mode trunk
    !
    Interface Ethernet2/15
     switchport mode trunk
    !
    Interface Ethernet2/16
     switchport mode trunk
    !
    Interface Ethernet2/17
    !
    Interface Ethernet2/18
    !
    Interface Ethernet2/19
    !
    Interface Ethernet2/20
    !
    Interface Ethernet2/21
    !
    Interface Ethernet2/22
    !
    Interface Ethernet2/23
    !
    Interface Ethernet2/24
    !
    interface Vlan1
    !
    interface Vlan10
     description to-ac
     ip address 10.11.144.2 255.255.248.0
    !
    interface Vlan20
    !
    interface Vlan110
     ip address 10.11.110.1 255.255.255.0
    !
    interface Vlan111
     ip address 10.11.111.254 255.255.255.0
     ip address 192.168.1.1 255.255.255.0 secondary
    !
    interface Vlan112
     ip address 10.11.112.254 255.255.255.0
    !
    interface Vlan113
     ip address 10.11.113.254 255.255.255.0
    !
    interface Vlan114
     ip address 10.11.114.254 255.255.255.0
    !
    interface Vlan115
     ip address 10.11.115.254 255.255.255.0
    !
    interface Vlan116
     ip address 10.11.116.254 255.255.255.0
    !
    interface Vlan117
     ip address 10.11.117.254 255.255.255.0
    !
    interface Vlan118
     ip address 10.11.118.254 255.255.255.0
    !
    interface Vlan119
     ip address 10.11.119.254 255.255.255.0
    !
    interface Vlan120
     ip address 10.11.120.254 255.255.255.0
    !
    interface Vlan200
     ip address 10.11.200.254 255.255.255.0
    !
    interface Vlan201
     ip address 10.11.201.254 255.255.255.0
    !
    interface Vlan202
     ip address 10.11.202.254 255.255.255.0
    !
    interface Vlan300
    !
    ip route 0.0.0.0/0 10.11.110.2
    !
    !
    no login
    !
    isolate-port group ap switchport interface Ethernet1/24
    isolate-port group ap switchport interface Ethernet1/23
    isolate-port group ap switchport interface Ethernet1/22
    isolate-port group ap switchport interface Ethernet1/21
    isolate-port group ap switchport interface Ethernet1/20
    isolate-port group ap switchport interface Ethernet1/19
    isolate-port group ap switchport interface Ethernet1/18
    isolate-port group ap switchport interface Ethernet1/17
    end
    
    hexin-sw#

进入cmd窗口  
命令 tracert 114.114.114.114

C:\Documents and Settings\Administrator>ipconfig
    Windows IP Configuration
    Ethernet adapter 本地连接:
            Connection-specific DNS Suffix  . :
            Autoconfiguration IP Address. . . : 169.254.48.59
            Subnet Mask . . . . . . . . . . . : 255.255.0.0
            Default Gateway . . . . . . . . . :
    Ethernet adapter 无线网络连接:
            Connection-specific DNS Suffix  . :
            IP Address. . . . . . . . . . . . : 192.168.43.218
            Subnet Mask . . . . . . . . . . . : 255.255.255.0
            Default Gateway . . . . . . . . . : 192.168.43.1
    C:\Documents and Settings\Administrator>tracert 114.114.114.114
    Tracing route to public1.114dns.com [114.114.114.114]
    over a maximum of 30 hops:
      1    <1 ms    <1 ms    <1 ms  bogon [10.11.120.254]
      2     *        *        *     Request timed out.
      3     *        *        *     Request timed out.
      4     *        *        *     Request timed out.
      5     *        *        *     Request timed out.
      6     *        *        *     Request timed out.
      7     *        *        *     Request timed out.
      8     *        *        *     Request timed out.
      9     *        *        *     Request timed out.
     10     *        *        *     Request timed out.
     11     *        *        *     Request timed out.
     12     *        *        *     Request timed out.
     13     *        *        *     Request timed out.
     14     *        *        *     Request timed out.
     15     *        *        *     Request timed out.
     16     *        *        *     Request timed out.
     17     *        *        *     Request timed out.
     18     *        *        *     Request timed out.
     19     *        *        *     Request timed out.
     20     *        *        *     Request timed out.
     21     *        *        *     Request timed out.
     22     *        *        *     Request timed out.
     23     *        *        *     Request timed out.
     24     *        *        *     Request timed out.
     25     *        *        *     Request timed out.
     26     *        *        *     Request timed out.
     27     *        *        *     Request timed out.
     28     *        *        *     Request timed out.
     29     *        *        *     Request timed out.
     30     *        *        *     Request timed out.
    Trace complete.

此时电脑的数据只能到核心 核心地址10.11.120.254 到不了防火墙 所以问题应该在防火墙  
重启防火墙 然后重新tracert 114.114.114.114

C:\Documents and Settings\Administrator>tracert 114.114.114.114
    
    Tracing route to public1.114dns.com [114.114.114.114]
    over a maximum of 30 hops:
    
      1    <1 ms    <1 ms    <1 ms  bogon [10.11.120.254]
      2    <1 ms    <1 ms    <1 ms  10.11.110.2
      3     2 ms     1 ms     1 ms  110.249.143.209
      4     2 ms     1 ms     2 ms  221.192.35.249
      5     5 ms     3 ms     3 ms  61.182.179.61
      6     9 ms     7 ms     7 ms  219.158.10.181
      7    42 ms    45 ms     7 ms  60.217.43.22
      8    10 ms    10 ms    10 ms  60.217.44.158
      9     9 ms     9 ms     9 ms  public1.114dns.com [114.114.114.114]
    
    Trace complete.

此时连接正常 有线无线网络已经恢复正常  
所以 以后当单位或者部门断电后 除了交换机 光纤猫重启外 将防火墙也可以重启试试