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Change description
The Software image signature field was added to display software image signature information.
Table 8 Command output
Field Description
Software image signature
Signature for the software image:
• HP—For software images of the HP version.
• HP-US—For software images of the HP US version.
• HPE—For software images of the HPE version.
Release 0305P08
This release has the following changes:
New feature: mGRE
New feature: Disabling transceiver module alarm
Modified feature: Default user role
Modified feature: Debugging
New feature: mGRE
Overview
Multipoint Generic Routing Encapsulation (mGRE) is a dynamic VPN technology that uses the Next
Hop Resolution Protocol (NHRP).
Traditional GRE tunnels for a VPN are static and require manual configuration and maintenance,
resulting in poor extensibility. If branches of an enterprise accesses the public network by using
dynamic IP addresses, it is difficult to set GRE tunnels between the branches.
mGRE can dynamically establish tunnels for the branches, because NHRP can map the private IP
address of a branch to its public IP address.
mGRE operation scheme
An mGRE network uses the client/server model. It has the following types of nodes:
NHS—NHRP server, the hub device in the mGRE network. The NHS is the routing information
exchange center. It is also the data forwarding center in a NHS-NHC network.
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