22 • Quick Start Guide Element Manager User’s Manual Nimbra OneSerie
©2006 Net Insight AB, All rights reserved
Figure 11. Routing entries
• Node metric: The cost of switching a channel in this node.
• Enable: Decides if DRP should be enabled or not. If this is not enabled,
only the static routing entries will be used.
• Interface metric: The cost of setting up a channel out via this interface.
• Enable: Should this node communicate and exchange routing information
with a neighbor via this interface? This check box should normally be
enabled when using DRP. It can be disabled when DRP should not be used
via specific interface, e.g. if that interface connects to another operator and
you don’t want to exchange routing information automatically with that
operator.
Advanced settings
• Node is a:
Switch or End node:
If a node is attached to the rest of the network using a single point-to-point
link only, then the node doesn’ t need a complete routing table. The only
routing entry that is necessary is a default route that says that all other
addresses can be reached via the peer on the other side of the point-to-point
link. In DRP terminology, this type of node is called an end-node and all
other nodes are called switches.
• End node, in this case the node will get a default-route listing all the
available peers as possible next hops with no particular preference. This can
be useful if a node has two peers for redundancy purposes only and all other
destinations is the network can be reached at roughly the same cost via both
peers.
Note! If a node is configured as an end node, it can only originate and terminate
channels; it will not allow a channel to be switched via itself.
If the node is configured as an end node:
• Default gateway: Calculates which way that should be default gw.
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