Beta Draft Confidential
17-301/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring SVC Parameters
Configuring Node Prefixes
Configuring Node Prefixes
Node prefixes apply to all ports on the switch and are used for routing aggregation,
source address validation, and address registration. You can configure multiple node
prefixes on a switch; however, you do not need to configure any if you have port
prefixes or port addresses defined on the node.
At the very least, a node prefix consists of the two AFI digits of the AESA address, or
at least one digit of the 1-15 digit native E.164 address. You can define the node prefix
to be part of, or all of, the AESA or E.164 address. For example, for E.164 addresses
that begin with 508555, you can configure the node prefix as 5 (at a minimum), 50,
508, 5085, etc. The level of granularity you need to define depends on your network.
Node prefixes do not have to be unique to a particular node. For example, you can
define node prefix 508 on multiple nodes. However, if you do so, you may need to
define port prefixes or port addresses to provide more granularity for routing
determination. For example, you may define port prefixes 508551, 508552, and
508553 on the first node, and port prefixes 508554, 508555, and 508556 on the
second node.
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