Siemens RUGGEDCOM ROX II User Manual page 478

Chapter 12
Tunneling and VPNs
If interfaces have been configured, a table or list similar to the following example appears:
ruggedcom# show running-config services nhrp interface-nhrp | tab
IFNAME ENABLED
------------------------------------------------------------------------------------------
gre-t1 true
!
!
If no interfaces have been configured, add interfaces as needed. For more information, refer to
"Adding a DMVPN Interface".
Section 12.10.3.2
Adding a DMVPN Interface
To add a DMVPN interface, do the following:
1. Add the interface for the desired GRE tunnel by typing:
services nhrp interface-nhrp gre-tunnel
Where gre-tunnel is the name of the desired GRE tunnel.
2. Configure the following parameter(s) as required:
CAUTION!
Security hazard – risk of unauthorized access and/or exploitation. For increased security, Siemens
recommends configuring a key to authenticate the NHRP interface.
Parameter
enabled
address { address }
holdtime { holdtime }
authentication { authentication }
key { key }
Type commit and press Enter to save the changes, or type revert and press Enter to abort.
3.
432
ADDRESS HOLDTIME
192.168.0.100/24 10
A boolean flag to indicate Next Hop Resolution Protocol (NHRP) is enabled on this
interface.
Synopsis: A string 9 to 18 characters long
IPv4 address of remote GRE interface to be used for this NHRP session.
Synopsis: A 32-bit unsigned integer
Default: 7200
The time (in seconds) that Non-Broadcast Multi-Access (NBMA) addresses are advertised
as valid in authoritative NHRP responses. Default is 7200 seconds.
Synopsis: { none, cisco }
The authentication string to allow intercommunication between source and destination
NHRP nodes. Maximum length is 8 characters. Currently, only CISCO authentication is
supported.
Synopsis: A string
The authentication key to allow intercommunication between source and destination
NHRP nodes. Maximum length is 8 characters.
AUTHENTICATION KEY
cisco $4$wocla9w68FRwhYYI0d4IDw==
Description
RUGGEDCOM ROX II
CLI User Guide
Section 12.10.3.2,
Adding a DMVPN Interface