Dell Force10 E600i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 1027
VRF Configuration Notes
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VRF Configuration Notes On E-Series routers, Dell Force10 VRF supports up to 15 VRF instances: 1 to 14 and the default VRF (0). Although there is no restriction on the number of VLANs that can be assigned to a VRF instance, the total number of routes supported in VRF is limited by the size of the IPv4 FIB table in the CAM. VRF is implemented in a network device by using Forwarding Information Bases (FIBs). Each VRF uses one FIB. A network device may have the ability to configure different virtual routers, where each one has its own FIB that is not accessible to any other virtual router instance on the same device. Only Layer 3 interfaces can belong to a VRF. VRF is supported on following types of interface: • physical Ethernet interfaces • physical Sonet interfaces • port-channel interfaces (static & dynamic using LACP) • VLAN interfaces • loopback interfaces VRF supports route redistribution between routing protocols (including static routes) only when the routes are within the same VRF. FTOS uses both the VRF name and VRF ID to manage VRF instances. The VRF name and VRF ID number are assigned using the ip vrf command. The VRF ID is displayed in show ip vrf command output. The VRF ID is not exchanged between routers. VRF IDs are local to a router. VRF supports some routing protocols only on the default VRF (default-vrf) instance. Table 59-1, "," in Virtual Routing and Forwarding (VRF) displays the software features supported in VRF and whether they are supported on all VRF instances or only the default VRF. Table 59-1. Feature/Capability Configuration rollback for commands introduced or modified LLDP protocol on the port 802.1x protocol on the VLAN port OSPF, RIP, ISIS, BGP on physical and logical interfaces Dynamic Port-channel (LACP) on VLAN port or a Layer 3 port Static Port-channel as VLAN port or a Layer 3 port Supported? Note Yes Yes Yes Supported only for default-VRF Yes OSPF supported on all VRF ports. Others supported only on default-VRF ports Yes Yes Virtual Routing and Forwarding (VRF) | 1027
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