CCIE in 3 months - Is it possible?

Is it really so hard for Cisco to put a logic in the list of available configuration commands?

This is what you get if you enter "?" under a BVI in an ASR9k running IOS-XR 4.0.1.

RP/0/RSP0/CPU0:ASR9k1(config-if)#? 
 address-family AFI/SAFI configuration
 arp Configure Address Resolution Protocol
 bandwidth Set the bandwidth of an interface
 clear Clear the uncommitted configuration
 commit Commit the configuration changes to running
 crypto Set crypto parameters
 dampening configure state dampening on the given interface
 describe Describe a command without taking real actions
 description Set description for this interface
 do Run an exec command
 exit Exit from this submode
 frame-relay Frame Relay interface configuration commands
 ipv4 IPv4 interface subcommands
 load-interval Specify interval for load calculation for an interface
 local-proxy-arp Enable local proxy ARP
 logging Per-interface logging configuration
 mac-address Set the Mac address(xxxx.xxxx.xxxx) on an interface
 maintenance Configure maintenance embargo flag on the given interface
 mtu Set the MTU on an interface
 no Negate a command or set its defaults
 proxy-arp Enable proxy ARP
 pwd Commands used to reach current submode
 root Exit to the global configuration mode
 service-policy Configure a service policy
 show Show contents of configuration
 shutdown shutdown the given interface
 vrf Set VRF in which the interface operates

I thought IOS-XR would improve such simple things, especially as now it has become mature.

Wouldn't it be better to have some of the commands that are not applicable to interface configuration under a different paragraph, like below?

RP/0/RSP0/CPU0:ASR9k1(config-if)#? 
 address-family AFI/SAFI configuration
 arp Configure Address Resolution Protocol
 bandwidth Set the bandwidth of an interface
 crypto Set crypto parameters
 dampening configure state dampening on the given interface
 description Set description for this interface
 frame-relay Frame Relay interface configuration commands
 ipv4 IPv4 interface subcommands
 load-interval Specify interval for load calculation for an interface
 local-proxy-arp Enable local proxy ARP
 logging Per-interface logging configuration
 mac-address Set the Mac address(xxxx.xxxx.xxxx) on an interface
 maintenance Configure maintenance embargo flag on the given interface
 mtu Set the MTU on an interface
 no Negate a command or set its defaults
 proxy-arp Enable proxy ARP
 service-policy Configure a service policy
 shutdown shutdown the given interface
 vrf Set VRF in which the interface operates
 ---------------------------------------------------------
 clear Clear the uncommitted configuration
 commit Commit the configuration changes to running
 describe Describe a command without taking real actions
 do Run an exec command
 exit Exit from this submode
 pwd Commands used to reach current submode
 root Exit to the global configuration mode
 show Show contents of configuration

Just wondering....


Notes

NX-OS has already solved that problem.

Posted by Tassos at 18:13

Labels: IOS-XR, NX-OS

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