Specifications

586 ExtremeWare XOS 10.1 Command Reference Guide
BGP Commands
• Multiprotocol Reachable NLRI – This is an optional attribute and is used to:
— advertise a feasible route to a peer
— permit a router to advertise the Network Layer address of the router that should be used as the
next hop to the destinations listed in the Network Layer Reachability Information field of the
MP_NLRI attribute.
— allow a given router to report some or all of the Subnetwork Points of Attachment (SNPAs) that
exist within the local system
• Multiprotocol Unreachable NLRI – This is an optional attribute that can be used for the purpose of
withdrawing multiple unfeasible routes from service.
BGP Communities
A BGP community is a group of BGP destinations that require common handling. ExtremeWare XOS
supports the following well-known BGP community attributes:
• no-export
• no-advertise
• no-export-subconfed
BGP Features
This section lists BGP features supported by ExtremeWare XOS:
• Route Reflectors
• Route Confederations
• Route Aggregation
• Using the Loopback Interface
• BGP Peer Groups
• BGP Route Flap Dampening
• Route Redistribution
• Policy Filtering
• Maximum Prefix Limit
• TCP MD5 Authentication
• EBGP Multihop
• Multiprotocol BGP (MBGP)
• Route Refresh capability
• Removal of private AS-Number from AS-path of outbound BGP routes
• Neighbor/Peer Group soft-reconfiguration