Configure Evpn Ipv6 Hosts With Mobility - Cisco ASR 9000 Series Configuration Manuallines
L2vpn and ethernet services configuration guide
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Also See for ASR 9000 Series:
- Command reference manual (1138 pages) ,
- Routing configuration manual (702 pages) ,
- Reference manual (696 pages)
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Configure EVPN IPv6 Hosts with Mobility
Mobility Support
In global VRF, mobility is not supported. However, you can move a host from one ES to another ES within
the same bridge domain. The host gets a new MAC address and IP address. The host can have multiple IP
addresses for the same MAC address.
In non-default VRF, mobility is supported with the following conditions:
• Basic MAC move: The IP address and MAC address remains the same. You can move a host from one
• Same MAC address but with a different IP address: The host gets a new IP address
• Same IP address but with a different MAC address: The host gets a new MAC address but retains the
• Multiple IP addresses with the same MAC address: Many VMs are involved in the same the MAC move
Restrictions
• In customer VRFs, when host routing is not configured, MAC-IP advertisement is different between zero
• In global VRF, Layer 2 stretch is not supported.
• MAC move in global VRF is only supported if the host is within the same bridge domain. You can move
• Duplication of IP address detection is not supported.
• Maximum number of leafs allowed per ESI is two.
Configure EVPN IPv6 Hosts with Mobility
Perform the following tasks to configure EVPN IPv6 Hosts with Mobility feature:
• Configure VRF
• Configure ISIS
• Configure BGP
• Configure AC interface
• Configure BVI interface
• Configure EVPN
• Configure L2VPN
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
602
ES to another ES with the same IP address and MAC address.
same IP address
ESI and none-zero ESI. When host routing is not configured, MAC-IP with non-zero ESI is advertised
without L3 RT (VRF RT). MAC-IP with zero ESI is not advertised. The following table lists the behavior
of MAC-IP advertisement with respect to ESI and host routing.
ESI Type
MAC-IP with non-zero ESI
MAC-IP with zero ESI
a host from one ES to another ES within the same bridge domain.
With host routing
Advertised with L3 VRF RT
Advertised with L3 VRF RT
Configure EVPN IRB
Without host routing
Advertised without L3 VRF RT
Not advertised
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