Chapter11 DMVPN
Edit Dynamic Multipoint VPN (DMVPN)
11-16
Cisco Router and Security Device Manager Version 2.2 User’s Guide
OL-4015-08

Hold Time

Enter the number of seconds that NHRP network IDs should be ad vertised as
valid.

Network ID

Enter the NHRP Network ID. The network ID is a globally unique, 32-bit network
identifier for a nonbroadcast, multiaccess (NBMA) network. The range is 1 to
4294967295. The network ID must be unique for each NHRP station.

Next Hop Server

This area lists the IP addresses of the next hop servers that this router can contact.
This area must contain the IP address of the primary and secondary hub if this is
a spoke router. If this is a hub, this area must contain the IP addresses of the othe r
hub routers in the DMVPN.
Click Add to enter the IP address of a next hop server. Select a server, and click
Delete to delete it from the list.

NHRP Map

This area lists the available IP-to-NBMA address mappings. Click Add to create
a new map. After you create the map, it will be added to this list. Click Edit to
modify a selected map. Click Delete to remove a selected map configuration.
NHRP Map Configuration
Use this window to create or edit a mapping between IP an d NBMA addresses.

Statically configure the IP-to-NMBA address mapping of IP destinations connected to an NBMA network.

Click this button if you are configuring a spoke in a fully meshed network. SDM
treats backup hubs as spokes to primary hubs, so also click this if you are
configuring a backup hub. In this part of the window you are providing the address
information that the spoke or backup hub needs to contact the primary hub.