10-13-2011 12:37 AM - edited 02-21-2020 05:39 PM
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
10-13-2011 10:55 AM
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
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