Restrictions for AAA High Availability Support for Local PPPoX Sessions
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If an administrator changes the protocol of a server group (for example, from RADIUS to TACACS+), HA will not be available for sessions configured to use that server group.
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IP sessions are not supported in this implementation of AAA HA.
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This implementation of AAA HA supports only locally terminated PPPoX sessions, including the following: - PPP over Ethernet (PPPoE)
- PPPoE terminated into a multiprotocol label switching (MPLS) virtual private network (VPN)
- PPPoEoE 802.1q into MPLS VPN
- PPPoEoE 802.1q-in-q into MPLS VPN
- Dynamic Host Configuration Protocol (DHCP) VPN ID option 82
- Per VPN AAA
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The following Feature Manager features are not supported in this implementation of AAA HA: - Prepaid Time Monitor
- Prepaid Volume Monitor
- L4 Redirect
- Traffic Classification
- Portbundle Hostkey
- IPv6 DHCP from AAA