Cisco 3750g ps-e

[DaveP]

Whilst on contract my manager has allowed me to play & learn with a CISCO switch.

Where do I start ? I've never done anything with a cisco switch.

I have it hooked up to a laptop and connected to a terminal session, but thats as far as I have gone with it.

There is no GUI it's all command line stuff

any ideas where I can start and learn with this.

It's not needed at work it's purely for my own development.

 

[chef]

what is it you are trying to learn?

 

[DaveP]

To start with the basics of configuring a switch,

then hopefully if I can learn that, start using it and get it up and running, just for experience

 

[Spoiler]

To start with the basics of configuring a switch,

Type in some of the following commands to get a basic config on the switch:

Switch Config
-------------

[Basic]
-------
enable
conf t
hostname
[Configure Virtual Interface]
int vlan 1
ip address 192.168.1.254 255.255.255.0
no shut
exit
[Configure Default Gateway]
ip default-gateway 192.168.1.1
end
sh int vlan 1
wr
sh run

[Security]
----------
[protect privilege mode]
conf t
enable secret XXXXXXX
no enable password
service password-encryption

[Protect Console Port Access]
line con 0
password XXXXXXX
login

[Protect Line VTY Access]
line vty 0 4
password XXXXXXX
login

[Login Banners]
conf t
banner motd @
**********************************
Unauthorized Access is Prohibited
**********************************

@
end

[Enable SSH]
conf t
username YYYYYY password XXXXXX
ip domain-name xyz.co.uk
crypto key generate rsa
<1024>
ip ssh version 2
line vty 0 4
tranport input ssh
end

[General Commands]
[sh ip int brief]
terminal monitor (shows all messages to VTY screen)
sh mac address-table
do ? (i.e. do sh run). runs the command from global conf mode

[Switch Optimization]
conf t
line con 0
logging synchronous
exec-timeout 30 0
no ip-domain lookup
line vty 0 4
logging synchronous (Retypes line automatically when messages are logged to monitor)
exec-timeout 30 0 (Idle timeout)
no ip-domain lookup
end

[Setting up aliases]
conf t
alias exec s show ip int brief (where: exec=mode, s=alias command for "show ip int brief")


[Port Security]
conf t
int fastethernet 0/5
switchport mode access (hardcoded as access port - connected to end device. Alternative is trunk!)
switchport port-security
switchport port-security max 1 (max 1 mac address)
switchport port-security violation ?
protect (allows max mac & blocks the rest)
restict (allows max mac, blocks the rest & logs violation in Security Violation Count (see sho port security int fa 0/5)
shutdown (shuts down port)
switchport port-security mac-address ? (hardcoded mac or sticky)
end
sh port security int fa 0/5

[To configure a range]
int range fastethernet 0/2 - 24
switchport port-security

[Configure Speed & Duplex on Ports]
conf t
int fa 0/2
duplex half | full
speed 10 | 100
end

- Check settings using: show interface fa 0/2, etc

 

[VectraMan]

Have you tried: Shall we play a game?