Как настроить IP-адрес и шлюз на коммутаторе Cisco (L2/L3): команды, проверка, поиск IP

enable
configure terminal
interface vlan 10
 description MANAGEMENT
 ip address 192.168.10.2 255.255.255.0
 no shutdown
exit
ip default-gateway 192.168.10.1
end
write memory
show ip interface brief

enable
configure terminal
interface vlan 10
 description MANAGEMENT
 ip address 192.168.10.2 255.255.255.0
 no shutdown
exit
ip routing
ip route 0.0.0.0 0.0.0.0 192.168.10.1
end
write memory
show ip route | include 0.0.0.0

Switch> enable
Switch# configure terminal
Switch(config)#

Switch(config)# interface vlan 1
Switch(config-if)# description Management SVI

Switch(config-if)# ip address 192.168.10.2 255.255.255.0

Switch(config-if)# no shutdown
Switch(config-if)# end
Switch#

Switch(config)# vlan 10
Switch(config-vlan)# name MANAGEMENT
Switch(config)# interface gi1/0/10
Switch(config-if)# switchport mode access
Switch(config-if)# switchport access vlan 10
Switch(config-if)# no shutdown

Switch(config)# ip default-gateway 192.168.10.1

Switch# show ip interface brief
Switch# show running-config | section interface Vlan
Switch# show running-config | include ip default-gateway

Switch(config)# interface vlan 10
Switch(config-if)# ip address dhcp
Switch(config-if)# no shutdown

Switch(config)# interface gigabitEthernet1/0/1
Switch(config-if)# no switchport
Switch(config-if)# ip address 10.0.0.2 255.255.255.252
Switch(config-if)# no shutdown

Switch# show ip interface brief
Switch# ping 192.168.10.1

Switch# write memory
! или
Switch# copy running-config startup-config

Switch# show mac address-table interface gi1/0/10

Switch# show ip arp
Switch# show ip arp | include 0011.2233.4455

Router# show ip arp | include 192.168.10.100
Protocol  Address          Age (min)  Hardware Addr   Type   Interface
Internet  192.168.10.100   0          0011.2233.4455  ARPA   Vlan10

Switch# show cdp neighbors detail
! опционально
Switch# show lldp neighbors detail

Switch(config)# hostname SW1
Switch(config)# ip domain-name example.local
Switch(config)# username admin privilege 15 secret STRONG_SECRET
Switch(config)# crypto key generate rsa modulus 2048
Switch(config)# line vty 0 4
Switch(config-line)# login local
Switch(config-line)# transport input ssh
Switch(config-line)# ip ssh version 2

Switch(config)# ip access-list standard MGMT_ONLY
Switch(config-std-nacl)# permit 192.168.10.0 0.0.0.255
Switch(config-std-nacl)# deny any log
Switch(config)# line vty 0 4
Switch(config-line)# access-class MGMT_ONLY in
Switch(config-line)# transport input telnet ssh

Switch# show interface vlan 10
Switch# show vlan brief
Switch# show interfaces trunk
Switch# show spanning-tree vlan 10

Switch(config)# interface gi1/0/1
Switch(config-if)# switchport trunk allowed vlan add 10
Switch(config-if)# no shutdown

Switch# show ip arp
Switch# show logging
Switch# show ip dhcp snooping binding

%IP-4-DUPADDR: Duplicate address 192.168.10.2 on Vlan10, sourced by 0011.2233.4455

Switch# show interfaces trunk

Port        Mode         Encapsulation  Status        Native vlan
Gi1/0/1     on           802.1q         trunking      1

Port        Vlans allowed on trunk
Gi1/0/1     1-4094

Port        Vlans allowed and active in management domain
Gi1/0/1     1,10,20

Port        Vlans in spanning tree forwarding state and not pruned
Gi1/0/1     1,10,20

Switch(config)# ip access-list standard MGMT_ONLY
Switch(config-std-nacl)# permit 192.168.10.0 0.0.0.255
Switch(config-std-nacl)# deny any log
Switch(config)# line vty 0 4
Switch(config-line)# access-class MGMT_ONLY in

Switch(config)# banner motd ^
Unauthorized access is prohibited. All activity is logged.
^