Cisco 5508 Series Wireless Controller for High Availability AIR-CT5508-HA-K9 The Cisco® 5500 Series Wireless Controller, shown in Figure 1, is a highly scalable and flexible platform that enables systemwide services for mission-critical wireless networking in medium-sized to large enterprises and campus environments. Designed for 802.11n performance and maximum scalability, the 5500 Series offers enhanced uptime with: Wireless IEEE 802.11a, 802.11b, 802.11g, 802.11d, WMM/802.11e, 802.11h, 802.11n, 802.11u. Wired/Switching/Routing IEEE 802.3 10BASE-T, IEEE 802.3u 100BASE-TX specification, 1000BASE-T. 1000BASE-SX, 1000-BASE-LH, IEEE 802.1Q Vtagging, and IEEE 802.1AX Link Aggregation. Data Request For Comments (RFC) RFC 768 UDP RFC 791 IP RFC 2460 IPv6 (pass through Bridging mode only) RFC 792 ICMP RFC 793 TCP RFC 826 ARP RFC 1122 Requirements for Internet Hosts RFC 1519 CIDR RFC 1542 BOOTP RFC 2131 DHCP RFC 5415 CAPWAP Protocol Specification RFC 5416 CAPWAP Binding for 802.11 Security Standards WPA IEEE 802.11i (WPA2, RSN) RFC 1321 MD5 Message-Digest Algorithm RFC 1851 The ESP Triple DES Transform RFC 2104 HMAC: Keyed Hashing for Message Authentication RFC 2246 TLS Protocol Version 1.0 RFC 2401 Security Architecture for the Internet Protocol RFC 2403 HMAC-MD5-96 within ESP and AH RFC 2404 HMAC-SHA-1-96 within ESP and AH RFC 2405 ESP DES-CBC Cipher Algorithm with Explicit IV RFC 2406 IPsec RFC 2407 Interpretation for ISAKMP RFC 2408 ISAKMP RFC 2409 IKE RFC 2451 ESP CBC-Mode Cipher Algorithms RFC 3280 Internet X.509 PKI Certificate and CRL Profile RFC 3602 The AES-CBC Cipher Algorithm and Its Use with IPsec RFC 3686 Using AES Counter Mode with IPsec ESP RFC 4347 Datagram Transport Layer Security RFC 4346 TLS Protocol Version 1.1