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296 | Chapter 4. Routing
ProSafe® Gigabit L3 Managed Stackable Switches Software Administration Manual
The source IP address is compared to the destination IP address of the route. The source IP
netmask in the access list rule is treated as a wildcard mask, indicating which bits in the
source IP address must match the destination address of the route. (Note that a 1 in the
mask indicates a “don't care” in the corresponding address bit.)
When an access list rule includes a destination IP address and netmask (an extended access
list), the destination IP address is compared to the network mask of the destination of the
route. The destination netmask in the access list serves as a wildcard mask, indicating which
bits in the route's destination mask are significant for the filtering operation.
OSPFv3
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. It
differs from its IPv4 counterpoint in a number of respects, including the following: peering is
done via link-local addresses; the protocol is link-based rather than network-based; and
addressing semantics have been moved to leaf LSAs, which eventually allow its use for both
IPv4 and IPv6. Point-to-point links are also supported in order to enable operation over
tunnels.
It is possible to enable OSPF and OSPFv3 at the same time. OSPF works with IPv4 and
OSPFv3 works with IPv6.
From the OSPF link, you can access the following pages:
• Basic on page 296
• Advanced on page 298
Basic
From the Basic link, you can access the following pages:
• OSPFv3 Configuration on page 297
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