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4.15.4 Difference in IP-VPN of the LSP allocation system for each VPN using
software version
IP-VPN operation syste
VPN ID designating
method
Range of values in VPN ID
RFC2547 bis system [Ver. 06-03] Numerical designatio 1 to 1,000,000
Name (character string
designation)
Alphanumerics within 14 letters with head in
alphanumeric, or character string using hyphen and
underscore
LSP allocation system for each
VPN
Numerical designation
(Note 1)
Versions before Ver. 06-01:1 to 255.
Versions thereafter including Ver. 06-01: 1 to
1,000,000
Name (character string
designation)
Cannot be designated.
(Note 1) In order to establish the LSP for VPN between a device operating with versions before Ver. 06-01 and a
device operating with versions thereafter including Ver. 06-01, it is necessary to use the VPN ID values in the range
from 1 to 255 even in a device operating with the versions thereafter including Ver. 06-01. If values outside the range
from 1 to 255 are used, the whole MPLS function may become non-utilizable in a device operating with versions
before Ver. 06-01.