IOS and JunOS commands

IOS and JunOS commands

Here’s a small “translation” table for IOS and JunOS commands with a comment about their scope.

IOS	JunOS	Purpose
clear counters	clear interface statistics	Clears the interface counters
clear arp-cache	clear arp	Clears the ARP cache
clear ip bgp	clear bgp neighbor	Clears all BGP sessions
clear ip bgp neighbor	clear bgp neighbor peer	Clears BGP session to a specifis neighbor
clock set	set date	Set the actual time
ping dest	ping dest rapid (for cisco like output)	Simple Ping
ping (setting source int)	ping dest bypass-routing	Ping with specific source interface
reload	request system reboot	Reboot the system
send	request message	Send a message to other users
show arp	show arp	Shows ARP cache
show clns interface	show isis interface	Shows IS-IS information from participating interfaces
show clns neighbors	show isis adjacency	Shows ES-IS and IS-IS neighbors
show clock	show system uptime	Display current date
show controller interface	show interfaces interface extensive	Displays physical port informations
show diags	show chassis hardware	Displays hardware diagnostics and status
show environment all	show chassis environment	Infos about Voltage, Power consumption, Temperature,…
show history	show cli history	Shows recent entered commands
show interface interface	show interfaces interface detail	Shows interface configuration, counters and status
show interface description (newer IOS)	show interfaces description	Shows description, status and interface name
show ip bgp neighbor peer advertised-routes	show route advertising-protocol bgp peer	Shows whether a neighbor supports the route refresh capabilty
show ip bgp neighbors neigh received-routes	show route receive-protocol bgp peer	Shows whether a neighbor supports the route refresh capability
show ip bgp peer-group	show bgp group	Displays BGP informations about all peer-groups
show ip bgp peer-group group	show bgp group group	Displays BGP informations about a specific peer-group
show ip bgp network mask	show route protocol bgp prefix	BGP informations about a specific prefix
show ip bgp network mask longer-prefixes	show route range prefix	BGP informations about a specific prefix as well as longer prefixes
show ip bgp regexp regex	show route aspath-regexp “regex”	Shows routes matching AS path filter regex
show ip bgp summary	show bgp summary	Shows all BGP IPv4 neighbors
show ip interface brief	show interface terse	Displays IPv4 addresses per interface (in JunOS: IPv6 and ISO as well)
show ip ospf database	show ospf database	Shows the OSPF database
show ip ospf neighbor	show ospf neighbor	Displays all OSPF neighbors
show ip ospf interface	show ospf interface	Shows OSPF informations for the interface (e.g. state, dead time,…)
show ip route	show route	Displays the global routing table
show ip route isis	show isis routes / show route protocol isis	Display only IS-IS originated routes
show ip route ospf	show ospf route / show route protocol ospf	Display only OSPF originated routes
show ipv6 neighbors	show ipv6 neighbors	Display discovered IPv6 neighbors
show ipv6 route	show route table inet6.0	Display IPv6 routing table
sh bgp ipv6 summary / show bgp ipv6 unicast	show bgp summary	Displays IPv6 BGP neighbors
show tcp brief	show system connection	Shows established TCP connections from/to router (BGP, SSH, Telnet,…)
show ip traffic	show system statistic	Shows infos about IP related traffic (BGP, EIGRP, PIM, ARP, ICMP)
show isis topology	show isis spf brief	Shows the resulting IS-IS topology table after spf calculation
show logging	show log messages	Shows infos about loghost (IOS only) and local buffered log file content
show processes cpu	show system process	Displays CPU utilization
show route-map	show policy	Shows all configured route-maps (JunOS also shows Prefix-Lists,…)
show route-map mapname	show policy name mapname	Shows content of route-map mapname
show running-config	show configuration	Displays the actual running-configuration
show users	show system users	Shows logged in users
show tech-support	request support info	Displays a lot of information. Often needed for TAC request.
show version	show version	Information about running software release (IOS also shows hardware infos)
terminal length 0	set cli screen-length 0	Continous output to terminal without more-breaks
terminal monitor	monitor start messages	Start logging to terminal (when connected remotely)
terminal no monitor	monitor stop	Stop logging to terminal (when connected remotely)