Experiment on single-arm routing using a layer-3 Switch
In the real environment, sometimes the gateway is not necessarily enabled on the router, sometimes the single-arm routing function is not necessarily connected to the interface on the router, you can use a layer-3 switch, because the vswitch itself has a variety of interfaces for flexible use, it is very common in practical work. Readers can compare the previous article "using single-arm routing Experiment Sub-interfaces" to find out the secrets.
The specific operations are as follows:
Background description: Two VLANs (vlan 501/406) are required on the switch1-2950T-24. vlan 501 uses the first 10 ports, vlan406 uses port 0/11-0/20, and vlan 501 uses the 10.63..0 .0/24 network segment; vlan 406 uses the 10.63.206.0/25 network segment, the gateway uses the last available address, and the management address vlan 1 uses 10.63.207.128/25.
1. Network Topology
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2. Operation on core switch C3560-24PS)
Switch> en
Switch # conf
Switch # configure
Starting ing from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
1) No device named here. Enable the telnet user password.
Switch (config) # line vty
Switch (config) # line vty 0 4
Switch (config-line) # login
% Login disabled on line 66, until 'Password' is set
% Login disabled on line 67, until 'Password' is set
% Login disabled on line 68, until 'Password' is set
% Login disabled on line 69, until 'Password' is set
% Login disabled on line 70, until 'Password' is set
Switch (config-line) # pas
Switch (config-line) # password 123123
Switch (config-line) # exi
2) create a vlan
Switch (config) # vlan 501
Switch (config-vlan) # ex
Switch (config) # vlan 406
Switch (config-vlan) # ex
3) Specify the interface gateway address
Switch (config) # inter
Switch (config) # interface vla
Switch (config) # interface vlan 501
% LINK-5-CHANGED: Interface Vlan501, changed state to up
Switch (config-if) # ip ad
Switch (config-if) # ip address 10.63.201.254 255.255.255.0
Switch (config-if) # exi
Switch (config) # inter
Switch (config) # interface vlan 406
% LINK-5-CHANGED: Interface Vlan406, changed state to up
Switch (config-if) # ip address 10.63.206.126 255.255.255.128
Switch (config-if) # ex
4) Add the address pool of the corresponding vlan
Switch (config) # ip dhcp pool vlan501
Switch (dhcp-config) # net
Switch (dhcp-config) # network 10.63.201.0 255.255.255.0
Switch (dhcp-config) # default-router 10.63.201.254
Switch (dhcp-config) # dns-server 10.10.2.1
Switch (dhcp-config) # ex
Switch (config) # ip dhcp po
Switch (config) # ip dhcp pool vlan406
Switch (dhcp-config) # network 10.63.206.0 255.255.255.255.128
Switch (dhcp-config) # default-router 10.63.206.126
Switch (dhcp-config) # dns-server 10.10.2.1
Switch (dhcp-config) # ex
Switch (config )#
5) Enable trunk Mode
Switch (config) # interface f
Switch (config) # interface fastEthernet 0/1
Switch (config-if) # sw
Switch (config-if) # switchport mode trunk
Command rejected: An interface whose trunk encapsulation is "Auto" can not be configured to "trunk" mode.
Switch (config-if) # exi
Switch (config) # ex
% SYS-5-CONFIG_ I: Configured from console by the console
Switch # write // save it
3. operations on the aggregation Switch
Switch>
Switch> en
Switch # conf
Starting ing from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
Switch (config )#
1) Add a telnet User Password
Switch (config) # line vty
Switch (config) # line vty 0 4
Switch (config-line) # login
% Login disabled on line 66, until 'Password' is set
% Login disabled on line 67, until 'Password' is set
% Login disabled on line 68, until 'Password' is set
% Login disabled on line 69, until 'Password' is set
% Login disabled on line 70, until 'Password' is set
Switch (config-line) # pas
Switch (config-line) # password 123123
Switch (config-line) # exi
2) Add a vlan
Switch (config) # vlan 501
Switch (config-vlan) # ex
Switch (config) # vlan 406
Switch (config-vlan) # ex
3) the corresponding interface enables the trunk Mode
Switch (config) # inter
Switch (config) # interface gigabitEthernet 1/1
Switch (config-if) # no shutdown
Switch (config-if) # sw
Switch (config-if) # switchport m
Switch (config-if) # switchport mode trunk
% LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1, changed state to down
% LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/1, changed state to up
Switch (config-if) # ex
Switch (config) # inter
Switch (config) # interface f
Switch (config) # interface fastEthernet 0/1
Switch (config-if) # sw
Switch (config-if) # sw
Itchport mode t
Switch (config-if) # switchport mode trunk
% LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to down
% LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Switch (config-if) # no shutdown
Switch (config-if) # ex
Switch (config )#
4) Add a management address
Switch (config) # inter
Switch (config) # interface vlan 1
Switch (config-if) # no shutdown
% LINK-5-CHANGED: Interface Vlan1, changed state to up
% LINEPROTO-5-UPDOWN: Line protocol on Interface Vlan1, changed state to up
Switch (config-if) # ip address 10.63.207.129 255.255.255.128
Switch (config-if) # ex
Switch (config) # ip default-gateway 10.63.207.254
Switch (config) # ex
% SYS-5-CONFIG_ I: Configured from console by the console
Switch #
4. operations on the Access Switch
Switch> en
Switch # conf
Starting ing from terminal, memory, or network [terminal]?
Enter configuration commands, one per line. End with CNTL/Z.
1) Add a telnet User Password
Switch (config) # line vty
Switch (config) # line vty 0 4
Switch (config-line) # login
% Login disabled on line 66, until 'Password' is set
% Login disabled on line 67, until 'Password' is set
% Login disabled on line 68, until 'Password' is set
% Login disabled on line 69, until 'Password' is set
% Login disabled on line 70, until 'Password' is set
Switch (config-line) # pas
Switch (config-line) # password 123123
Switch (config-line) # exi
2) Add a vlan
Switch (config) # vlan 501
Switch (config-vlan) # ex
Switch (config) # vla
Switch (config) # vlan 406
Switch (config-vlan) # ex
3) Enable trunk Mode
Switch (config) # inter
Switch (config) # interface g
Switch (config) # interface gigabitEthernet 1/1
Switch (config-if) # no shutdown
Switch (config-if) # sw
Switch (config-if) # switchport mode trunk
Switch (config-if) # ex
4) route the corresponding interface to the corresponding vlan
Switch (config) # inter
Switch (config) # interface range f
Switch (config) # interface range fastEthernet 0/1-10
Switch (config-if-range) # no shutdown
Switch (config-if-range) # sw
Switch (config-if-range) # switchport access vlan 501
Switch (config-if-range) # ex
Switch (config) # inter
Switch (config) # interface r
Switch (config) # interface range f
Switch (config) # interface range fastEthernet 0/11-20
Switch (config-if-range) # no shutdown
Switch (config-if-range) # switchport ac
Switch (config-if-range) # switchport access vlan 406
Switch (config-if-range) # ex
5) add management addresses for management VLANs
Switch (config) # inter
Switch (config) # interface vlan 1
Switch (config-if) # ip ad
Switch (config-if) # ip address 10.63.207.130 255.255.255.128
Switch (config-if) # exi
Switch (config) # ip default-gateway 10.63.207.254
Switch (config) # ex
Switch # write // save it
Switch #
5. Check whether the IP address can be automatically obtained.
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6. ping and try again.
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7. This test has been completed. If you have any questions, please leave a message. The previous article is about the router interface to achieve single arm routing experiment, http://liufei888.blog.51cto.com/2625545/1329946
This article is from the blog "Liu Fei's blog space". For more information, contact the author!