BigIron RX Series Configuration Guide lxv
53-1002253-01
Layer 3 enhancements
TABLE 16 Layer 3 enhancements
Enhancement Description See...
OSPF NBMA You can configure an interface to send OSPF 
unicast packets rather than broadcast packets to 
its neighbor by configuring non-broadcast 
multi-access (NBMA) networks.
Book: BigIron RX Series 
Configuration Guide
Chapter: “Configuring 
OSPF Version 2 (IPv4)”
Section:“Configuring an 
OSPF non-broadcast 
interface”
Layer 3 VSRP VSRP redundancy and sub-second failover for 
Layer 3 topologies is available in this release. 
Book: BigIron RX Series 
Configuration Guide
Chapter: “Virtual Switch 
Redundancy Protocol 
(VSRP)”
Section:“Enabling Layer 3 
VSRP”
VSRP Delay Link Events This is a new VSRP command that will delay the 
sending of port "up"/"down" events.
Book: BigIron RX Series 
Configuration Guide
Chapter: “Configuring 
Interface Parameters”
Section:“Port transition 
hold timer”
IPv6 Hardware Forwarding  Forwarding for Layer 3 IP switching technology for 
the forwarding of IPv6 packets.See the 
"Configuring Basic IPv6 Connectivity" chapter of 
the BigIron RX Series Configuration Guide. 
Book: BigIron RX Series 
Configuration Guide
Chapter:“Configuring 
Basic IPv6 Connectivity” 
ICMPv6 As with the Internet Control Message Protocol 
(ICMP) for IPv4, ICMP for IPv6 provides error and 
informational messages.
Foundry BigIron RX Series 
Configuration Guide
IPv6 NDP, RDP ICMP Router Discovery Protocol (IRDP) to 
advertise the IP addresses of its router interfaces 
to directly attached hosts.
Foundry BigIron RX Series 
Configuration Guide
OSPF v3 IPv6 supports OSPF version 3 (OSPFv3), which 
functions similarly to OSPF version 2.
Book: BigIron RX Series 
Configuration Guide
Chapter: “Configuring 
OSPF Version 3”
BGP+ Brocade’s implementation of IPv6 supports multi 
protocol BGP (MBGP) extensions, which allow 
IPv6 BGP (known as BGP4+) to distribute routing 
information for protocols such as IPv4 BGP. 
Book: BigIron RX Series 
Configuration Guide
Chapter: “Configuring 
BGP4+”
RIPng IPv6 RIP, known as Routing Information Protocol 
Next Generation or RIPng, functions similarly to 
IPv4 RIP version 2. RIPng supports IPv6 
addresses and prefixes. 
Book: BigIron RX Series 
Configuration Guide
Chapter: “Configuring 
RIPng”