Interactive Topology4 nodes · 3 links
Fault Injection / Scenarios
Devices
Console · R1 · line con 0
R1>
Multi-device Cisco IOS-XE style network simulator · educational lab environment
enable
show version
show inventory
show clock
show running-config
show startup-config
show ip interface brief
show interfaces
show interfaces status
show vlan brief
show mac address-table
show spanning-tree
show etherchannel summary
show ip route
show ip protocols
show ip ospf neighbor
show ip ospf interface brief
show arp
show cdp neighbors [detail]
show lldp neighbors
show access-lists
show ip dhcp binding
show processes cpu
show memory
show logging
show platform
show environment all
show controllersping <ip>
traceroute <ip>
show running-config | include TEXT
show running-config | section TEXT
show interfaces | include TEXT
terminal length 0
clear logging
clear arp-cache
debug ip icmp
undebug allconfigure terminal
hostname NAME
enable secret SECRET
username USER privilege 15 secret SECRET
service password-encryption
no ip domain-lookup
ip domain-name lab.local
crypto key generate rsa modulus 2048
ip ssh version 2
interface NAME
vlan ID
router ospf PID
ip route NET MASK NEXT-HOP
ip dhcp pool NAME
ip access-list standard NAME
ip access-list extended NAME
line console 0
line vty 0 4description TEXT
ip address IP MASK
no ip address
shutdown
no shutdown
speed auto|100|1000
duplex auto|full|half
switchport
no switchport
switchport mode access|trunk
switchport access vlan ID
switchport trunk allowed vlan LIST
ip access-group ACL in|outrouter ospf 1
router-id 1.1.1.1
network 10.0.0.0 0.0.0.255 area 0
passive-interface default
no passive-interface Gi0/0/1
vlan 10
name USERS
ip dhcp pool USERS
network 10.10.10.0 255.255.255.0
default-router 10.10.10.1
dns-server 1.1.1.1show interfaces status
show vlan brief
show mac address-table
show spanning-tree
show cdp neighbors
show lldp neighbors
interface Gi1/0/10
switchport
switchport mode access
switchport access vlan 10
spanning-tree portfastcopy running-config startup-config
write memory
erase startup-config
reload
show archive
show history
show tech-supportKnown node IPs are topology-aware.
Ping animates through the graph.
Shutting a link interface changes topology.
OSPF remote routes depend on OSPF being enabled.
Configs and startup-config are per-device.
Scenario buttons inject faults instantly.conf t
sh run
sh ip int br
sh cdp nei
wr
int gi0/0/1
do show ip route
end
Tab completes common commands.
Use ? on a blank line for mode help.