Cisco 5520 User Manual

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Power supply
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SSD Hard Disk Drive (HDD)
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Option to add a redundant power supply on the Cisco 5520 WLC
The power supply units are field replaceable.Note
Link Aggregation (LAG)
A single LAG across the 2 x 10 G interfaces is supported in software versions 8.1 and later. LACP and PAgP are not supported on
the controller.
Inter-Platform Mobility and Guest Anchor Support
Guest anchor capability with:
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Cisco WLC 2504/5508 / 8510 / 7510 / WISM2 running as a foreign controller (EOIP Tunnel)
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Cisco 5520 / 8540 WLC running as a foreign controller (EOIP Tunnel)
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Cisco 5760 WLC running as a foreign controller with new mobility turned on (CAPWAP Tunnel)
Foreign controller to a guest anchor which is a:
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Cisco WLC 2504/5508 / 8510 / 7510 / WISM2 (EOIP Tunnel)
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Cisco 5520 / 8540 WLC (EOIP Tunnel)
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Cisco 5760 WLC with new mobility turned on (CAPWAP Tunnel)
CAPWAP has native management plane encryption and optional data payload encryption.
Infrastructure Multicast
Multicast support is enabled in the Cisco 5520 controller with the following restrictions:
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If all APs on the 5520 controller are configured in Local mode, Multicast-Multicast will be the default mode and all features
are supported (for example, VideoStream).
If the APs are configured as a mix of Local mode and FlexConnect mode:
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If IPv6 is required on the FlexConnect APs:
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Disable Global Multicast Mode and change to Multicast-Unicast mode.
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IPv6 / GARP will work on FlexConnect and Local mode APs, but Multicast data and the VideoStream feature will be
disabled.
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IPv6 / GARP is not required on FlexConnect APs:
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Cisco 5520 Specifications

General

Brand	Cisco
Model	5520
Category	Controller
Language	English