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IRB Interface

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    IRB Interface

    Integrated routing and bridging (IRB) provides simultaneous support for Layer 2 bridging and Layer 3 IP routing on the same interface. IRB enables you to route local packets to another routed interface or to another VLAN that has a Layer 3 protocol configured.
    Feature hierarchy Feature Name
    IRB Interface / 256k vmembers for IRB and aggregated Ethernet interfaces
    IRB Interface / ARP: Proxy ARP for IRB interfaces
    IRB Interface / Bridging: IRB interfaces, BGP over IRB
    IRB Interface / Bridging: IRB interfaces, IGMP over IRB
    IRB Interface / Bridging: IRB interfaces, IS-IS over IRB
    IRB Interface / Bridging: IRB interfaces, OSPF over IRB
    IRB Interface / Bridging: IRB interfaces, PIM over IRB
    IRB Interface / Bridging: IRB interfaces, RIP over IRB
    IRB Interface / Bridging: Integrated Routing and Bridging (IRB) interfaces
    IRB Interface / Different MAC addresses on IRB interfaces
    IRB Interface / Enhanced convergence time required for IRB ARP resolution
    IRB Interface / IP multicast over Layer 2 trunk port support
    IRB Interface / IPv4 address conservation method for hosting providers
    IRB Interface / IRB for IPv6
    IRB Interface / IRB interface: Forwarding L3 broadcast packets on egress interface
    IRB Interface / IRB interfaces over an MPLS core network
    IRB Interface / Layer 2 and Layer 3 forwarding across VLANs
    IRB Interface / MAC address of an IRB interface
    IRB Interface / MLD snooping and IRB stitching support
    IRB Interface / Multicast snooping on IRB interfaces