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DMVPN Phase 3 ip nhrp short / ip nhrp redirect missing

Dear All, we are trying to setup DMVPN Phase 3 and need to enter the commands ip nhrp shortcut and ip nhrp redirect which is not possible on Cisco 1841 routers - IOS version advipservicesk9-mz.124-25f.bin

On a cisco 1812 c181x-advipservicesk9-mz.124-24.T4.bin we can enter the commands.

Out aommands 1841:

Router 1(config-if)#ip nhrp ?

  authentication  Authentication string

  holdtime        Advertised holdtime

  interest        Specify an access list

  map             Map dest IP addresses to NBMA addresses

  max-send        Rate limit NHRP traffic

  network-id      NBMA network identifier

  nhs             Specify a next hop server

  record          Allow NHRP record option

  registration    Settings for registration packets.

  responder       Responder interface

  server-only     Disable NHRP requests

  trigger-svc     Create NHRP cut-through based on traffic load

  use             Specify usage count for sending requests

Output commands 1812:

Router 2(config-if)#ip nhrp ?

  authentication  Authentication string

  cache           NHRP Cache related commands.

  group           NHRP group name

  holdtime        Advertised holdtime

  interest        Specify an access list

  map             Map dest IP addresses to NBMA addresses

  max-send        Rate limit NHRP traffic

  network-id      NBMA network identifier

  nhs             Specify a next hop server

  record          Allow NHRP record option

  redirect        Enable NHRP redirect traffic indication

  registration    Settings for registration packets.

  responder       Responder interface

  server-only     Disable NHRP requests

  shortcut        Enable shortcut switching

  trigger-svc     Create NHRP cut-through based on traffic load

  use             Specify usage count for sending requests

This is the information I found on the Cisco web page: "In Cisco IOS Software Release 12.4(6)T, DMVPN Phase 3 was introduced". Now I am wondering which software I shall use for the Cisco 1841 as we already use a higher version: advipservicesk9-mz.124-25f.bin

I appreciate your help

Thank you

Nikola

1 Reply 1

Marcin Latosiewicz
Cisco Employee
Cisco Employee

Nikola,

Let's start wit this:

http://en.wikipedia.org/wiki/Cisco_IOS#Versioning

Than what you need to understand is that T train is where we put all the new fearures. Mainline is one we rebuild with usuall no big changes, i.e. main focus is stability with less features.

That being said 12.4(25) might have a higher number than 12.4(24)T, but it will not contains some features.

Marcin