Cisco Programming#
— I’m rebuilding this; use as a last ditch option for notes only —
S220 (Custom?)#
Default speed 115200
Helpful commands - Show#
show vlan
List the vLAN and show allocations
show management-vlan
show the current server’s management vLAN
show ip
show the current switch virtual IP (for management)
Helpful commands - Configure#
configure terminal
enter config mode
interface GigabitEthernet 15
set to use port 15
General Syntax#
! : Comment line
erase startup-config : clear the startup config
reload : restart the router and reload config
SG350 (IOS)#
Modes of operation
User#
You will have “[name]>” in your console
“Exit” will disconnect your session (drops your level instead if you’re higher)
ping
show
etc
Enable moves you to Privileged
Privileged#
You will have “[name]#” in your console
Disable drops you back to user mode
User +
debug
reload (reboot)
“configure terminal” moves you to global config
Global Commands#
You will have a “[name] (config)#” in your console
hostname, enable secret (sets the password), ip route
“Interface enternet/serial/dsl/vlan/etc” moves you to interface configuration
“line ” moves you to line configuration
Interface Configuration#
You will have a “[name] (config-if)#” in your console
“end” will drop you to “priveleged” mode (2 levels). CTRL+Z also does this
Line Configuration#
You will have a “[name] (config-line)#” in your console
Useful commands#
CTRL+A - move to the start of the line
show running-config
show startup-config
show backup-config
all config
show version
uptime
restart reason
OS version, etc
features, etc
show interface
From Privileged mode:
enable password : Sets the pasword for EXEC mode
enable secret : Same as password, but encrypts the password. This is the only one that does it
From Config-line mode:
console password : Sets the console password
VTY password : Sets the telnet password
service password-encryption : dont store the passwords in the config
from config
banner motd # [messaage in here] #
from Privileged mode
copy running-config startup-config
erase startup-config
on switch : delete vlan.dat … why?
Port is physical, interface is virtual
All ports are interfaces, not all interfaces are ports
configure virtual interface 1
interface vlan 1
ip address IP SUB
no shutdown