Configure 3750 Stack
Basic Initial Configuration
Cisco IOS Software, C3750 Software (C3750-IPSERVICES-M), Version 12.2(25)SEB2, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by Cisco Systems, Inc. Compiled Wed 08-Jun-05 01:19 by yenanh
Cisco IOS Software, C3750 Software (C3750-ADVIPSERVICESK9-M), Version 12.2(25)SEC2, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Would you like to terminate autoinstall? [yes]: no
System Configuration Dialog
Would you like to enter the initial configuration dialog? [yes/no]: yes
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Basic management setup configures only enough connectivity
for management of the system, extended setup will ask you
to configure each interface on the system
Would you like to enter basic management setup? [yes/no]: yes
Configuring global parameters:
Enter host name [Switch]: CAT-3750 *** Note - use Your Standard Naming convention ***
The enable secret is a password used to protect access to
privileged EXEC and configuration modes. This password, after
entered, becomes encrypted in the configuration.
Enter enable secret: switch
The enable password is used when you do not specify an
enable secret password, with some older software versions, and
some boot images.
Enter enable password: packet
The virtual terminal password is used to protect
access to the router over a network interface.
Enter virtual terminal password: terminal
Configure SNMP Network Management? [no]:no
Current interface summary
Any interface listed with OK? value "NO" does not have a valid configuration
Interface IP-Address OK? Method Status Protocol
Vlan1 unassigned NO unset up down
FastEthernet1/0/1-48 unassigned YES unset down down
GigabitEthernet1/0/1-4 unassigned YES unset down down
Enter interface name used to connect to the
management network from the above interface summary: vlan1
Configuring interface Vlan1:
Configure IP on this interface? [yes]: no
Would you like to enable as a cluster command switch? [yes/no]: no
[0] Go to the IOS command prompt without saving this config.
[1] Return back to the setup without saving this config.
[2] Save this configuration to nvram and exit.
Enter your selection [2]: 2
Building configuration...
[OK]
Use the enabled mode 'configure' command to modify this configuration.
CAT-3750>
Basic Switch Configuration
*****************************************************
***Reorder the switch stack
***Switches should be numbered from 1 – x
***Starting from the top
*****************************************************
CAT-3750#conf t
Enter configuration commands, one per line. End with CNTL/Z.
CAT-3750#switch current-stack-member-number renumber new-stack-member-number
***Note – Move switches to unused numbers first then back to correct numbers
CAT-3750#end
CAT-3750#reload
*****************************************************
***Set Priority of Switch Master
*****************************************************
CAT-3750#conf t
Enter configuration commands, one per line. End with CNTL/Z.
CAT-3750# switch stack-member-number priority new-priority-number
***Note – Top switch should be priority 15, each switch down 1 less
CAT-3750#end
*****************************************************
***Base Configuration
CAT-3750#ip routing
CAT-3750#conf t
Enter configuration commands, one per line. End with CNTL/Z.
CAT-3750(config)#interface vlan 101
CAT-3750(config-if)#no sh
CAT-3750(config-if)#ip address x.x.x.x x.x.x.x
*** Note – enter the IP address and subnetmask ***
CAT-3750(config-if)#name data_VLAN_101
CAT-3750(config-if)#exit
CAT-3750(config)#ip default-gateway x.x.x.x
*** Note – enter the IP address and subnet mask ***
CAT-3750(config)#no service pad
CAT-3750(config)#service timestamps debug uptime
CAT-3750(config)#service timestamps log uptime
CAT-3750(config)#no service password-encryption
CAT-3750(config)#vlan internal allocation policy ascending
CAT-3750(config)#ip classless
CAT-3750(config)#ip http server
CAT-3750(config)#snmp-server community public RO
CAT-3750(config)#snmp-server location sitename
*** Note - describe the location ***
CAT-3750(config)#ntp server x.x.x.x key 0
*** Note - replace with your ntp server
CAT-3750(config)#ntp server x.x.x.x key 0
*** Note - replace with your ntp server
CAT-3750(config)#ip domain-name something.com
*** Note - replace something with something
CAT-3750(config)#ip name-server x.x.x.x
*** Note - replace with a DNS Server
CAT-3750(config)#ip name-server x.x.x.x
*** Note - replace with a DNS Server
CAT-3750(config)#no file verify auto
CAT-3750(config)#spanning-tree mode pvst
CAT-3750(config)#spanning-tree extend system-id
CAT-3750(config)#end
CAT-3750#copy run start
Destination filename [startup-config]?
Building configuration...
[OK]
*****************************************************
***Configure Ports for Access
*****************************************************
CAT-3750#conf t
Enter configuration commands, one per line. End with CNTL/Z.
CAT-3750(config)#int range gig 1/0/1-4 , fa 1/0/1-48
***Note –enter the range of all ports, except router and etherchannel
CAT-3750(config-if-range)#Switchport Host (this command will configure the basic configuration of the port)
CAT-3750(config-if-range)# switchport access vlan 101
CAT-3750(config-if-range)#exit
CAT-3750(config)#int vlan1
CAT-3750(config-if)#shutdown
CAT-3750(config-if)#end
00:31:06: %LINK-5-CHANGED: Interface Vlan1, changed state to administratively downt
CAT-3750#copy run start
Destination filename [startup-config]?
Building configuration...
[OK]
Ether Channel Switch Configuration
CAT-3750#conf t
CAT-3750(config)#interface Port-channel 1
CAT-3750(config-if)# switchport access vlan 101
CAT-3750(config-if)# switchport trunk native vlan 101
CAT-3750(config-if)# switchport mode dynamic desirable
CAT-3750(config-if)#exit
CAT-3750(config)#int range gigabitEthernet 1/0/1-4
*** Note – Range of ports to use in Channel
CAT-3750(config-if)# switchport access vlan 101
CAT-3750(config-if)# switchport trunk native vlan 101
CAT-3750(config-if)# switchport mode dynamic desirable
CAT-3750(config-if)# channel-group 1 mode desirable
CAT-3750(config-if)# spanning-tree portfast disable
CAT-3750(config-if)#end
CAT-3750#copy run start
Destination filename [startup-config]?
Building configuration...
[OK]
