Users Guide

Sample Configuration LLDP Method
Dell(conf-vlt-domain)#proxy-gateway ll
Dell(conf-vlt-domain-pxy-gw-lldp)#peer-domain-link port-channel 1 exclude-vlan 10
Sample Configuration Static Method
Dell(conf-vlt-domain)#proxy-gateway static
Dell(conf-vlt-domain-pxy-gw-static)#remote-mac-address <xx:xx:xx:xx:xx:xx> exclude-vlan 10
• Packet duplication may happen with “Exclude-VLAN” configuration – Assume you used the exclude-vlan option (called
VLAN 10) in C and D and in C1 and D1; If packets for VLAN 10 with C’s MAC address (C is in VLT domain 1) gets an L3 hit at
C1 in VLT domain 2, they are switched to both D1 (via ICL) and C via inter DC link. This may lead to packet duplication.
Therefore, if C’s MAC address is learned at C1, the packet does not flood to D1 and only switches to C and avoids packet
duplication.
• With the existing hardware capabilities, you can only disable VLT Proxy Gateway only for 500 VLANs, using exclude-VLAN
configuration.
Configuring an LLDP VLT Proxy Gateway
You can configure a proxy gateway in a VLT domain to locally route packets destined to a L3 endpoint in another VLT domain.
Apply the following configurations in the Core L3 Routers C and D in the local VLT domain and C1 and D1 in the remote VLT
domain:
1. Configure proxy-gateway lldp in VLT Domain Configuration mode.
2. Configure peer-domain-link port-channel <vlt portchannel ID> in VLT Domain Proxy Gateway LLDP mode.
The VLT port channel is the one that connects the remote VLT domain.
Sample Dynamic Proxy Configuration on C switch or C1 switch
Switch_C#conf
Switch_C(conf)#vlt domain 1
Switch_C(conf-vlt-domain1)#proxy-gateway lldp
Switch_C(conf-vlt-domain1-pxy-gw-lldp)#peer-domain-link port-channel 1....
VLT Proxy Gateway 963