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IPv6 routing must be enabled with a license key in order to use this feature. If you have purchased an IPv6
routing license key, and have enabled routing on the device, you must activate your license as described in
the chapter entitled "Activating Licensed Features" in order to enable the OSPFv3 protocol configuration
command set. If you wish to purchase an IPv6 routing license, contact Enterasys Networks Sales.
The commands in this chapter perform configuration of the OSPFv3 routing protocol on the
SecureStack C3. For information about general IPv6 configuration, refer to Chapter 22, IPv6
Configuration. For information about managing IPv6 host functionality at the switch level, refer
to Chapter
For information about...
Global OSPFv3 Configuration Commands
Area Configuration Commands
Interface Configuration Commands
OSPFv3 Show Commands
Overview
OSPFv3 is the Open Shortest Path First routing protocol for IPv6. It is similar to OSPFv2 in its
concept of a link state database, intra/inter area and AS external routes and virtual links. OSPFv3
also differs from OSPFv2 in a number of respects:
•
Peering is done via link‐local addresses.
•
The protocol is link‐ rather than network‐centric.
•
Addressing semantics have been moved to leaf LSAs, which eventually will allow its use for
both IPv4 and IPv6.
•
Two new LSAs have been introduced: the link LSA and the intra‐area LSA.
Point‐to‐point links are supported in order to enable operation over tunnels. OSPFv3 views
IPv6‐over‐IPv4 tunnels as a point‐to‐point interface with a link‐local address and possibly, a global
unicast address. OSPFv3 uses the reported MTU for tunnel interfaces.
OSPFv3 supports ECMP routes. OSPFv3 includes NSSA and AS‐external LSA overflow limit
support. RFC 1583 compatibility does not apply to OSPFv3. No OSPFv3 authentication methods
are supported at this time.
LSA formats are changed, and the type 3 and 4 summary LSAs are renamed "inter‐area‐prefix"
and "inter‐area‐router" LSAs. Also note that OSPFv3 LSA identifiers contain no addressing
* IPv6 Routing License Required *
21, IPv6 Management.
OSPFv3 Configuration
SecureStack C3 Configuration Guide 25-1
25
Refer to page...
25-3
25-10
25-21
25-29
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