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IPv6 Support
IPv6 is important for the future of IP networking and is critical for the expansion of IP address space in the future.
IPv6 capability is required by many companies and is being mandated by governments worldwide. The Cisco
Catalyst 4500 Supervisor Engine 7-E supports IPv6 Unicast and Multicast in hardware for full line-rate forwarding
performance of up to 125 Mpps. The Supervisor Engine 7-E also dynamically allocates hardware table space
between IPv4 and IPv6 routes to maximize table-space usage for optimal IPv4-to-IPv6 migration The Supervisor
Engine 7-E supports Multicast Listener Discovery (MLD) Snooping for IPv6, enhancing performance and reducing
network traffic by allowing a switch to dynamically add and remove hosts from a multicast group.
Table 4 highlights the IPv6 capabilities of the Supervisor Engine 7-E.
Table 4. Summary of Supervisor Engine 7-E IPv6 Capabilities
Feature and Description Supervisor Engine 7-E
IPv6 support Unicast and Multicast forwarding done in hardware
IPv6 performance 125 Mpps
IPv6 Routing entries 128,000
Dynamic Hardware Route Table allocations Yes
MLD Snooping for IPv6 Yes, in hardware
Unicast Reverse Path Forwarding Version 6 (URPFv6): Strict mode Yes, in hardware
Simplified and Scalable Network Virtualization with Easy Virtual Network (EVN)
Enterprise networks use single foundational infrastructure to build multiple logical overlay networks for diversified
closed usergroups, regulatory, secure IT applications, etc. On campuses the traditional Multi-VRF solution is
widely adopted and deployed to solve such network segmentation challenges. The Cisco Catalyst 4500E Series
platform simplifies virtual network operation and maximizes scalability with the Cisco campus end-to-end Easy
Virtual Network (EVN) technology.
Figure 3. Simplified Campus Network Virtualization with Cisco EVN
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