Oliver LEGACY ELITE 2022, Manual

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User Manual / IBR900/IBR950 1/5/17
bit number. However it *MUST* be unique within the entire BGP domain to the BGP speaker: bad things will
happen if multiple BGP speakers are configured with the same router-ID.
• Cluster ID: Specify the cluster ID, used if the BGP cluster has more than one route reflector.
• ASN : The AS (Autonomous System) number is one of the essential elements of BGP.
• View Name: Specify a view to exchange BGP routing information without adding to the kernel routing
table.
• Distance: The Administrative Distance can be specified for each of External (EBGP), Internal (IBGP) and
Local routes, respectively. Defaults of 20, 200 and 200 will apply for any unspecified distance if any
distance is specified.
• Maximum Paths: Maximum Paths can be set greater than 1 to allow multipath routing. This setting limits
the number of paths; resources will be allocated to the limit specified whether or not all paths are used.
The first field sets a limit for both EBGP and IBGP. If desired, a different limit can be applied just to IBGP
using the second field.
• Multipath Relax: Select “relax” to allow multi-path routing to different ASNs.
• Timers Keepalive/Hold : Keepalive interval is the time between keepalive messages sent to peers. Hold
time is the timeout after the last keepalive message until the peer is declared dead. The Keepalive interval
must be set in order to set the Hold time. All times are in seconds from 1 to 65535. Set to 0 or empty to
disable (default).
Networks Associated with ASN or IPv6 Networks
Associated with ASN : To configure a BGP router,
you need an AS number. An AS number is an
identification of autonomous system. BGP protocol
uses the AS number for detecting whether the BGP
connection is internal one or external one. Use the
IPv4 address and netmask or IPv6 address with a
CIDR notation prefix length to define the address
range.
Neighbor Options or IPv6 Neighbor Options : Creates
a new neighbor identified by remote ASN and IP
address.
• Peer Group: Optionally specify a peer group
for this neighbor. You can Bind to an existing
peer group or Define a new one. A neighbor
will inherit the properties from the peer group
to which it is bound. Properties specified in a
neighbor will override inherited properties.
• IP Address: The IP address of the neighbor. Not
specified if this is a peer group definition.
• Port: Specify port.
• Remote ASN: Enter the ASN of the remote AS.
The AS (Autonomous System) number is one of
the essential elements of BGP. BGP is a distance
vector routing protocol, and the AS-Path
framework provides distance vector metric and
loop detection to BGP. RFC1930.
• Weight: Assign a weight to a neighbor
connection.
• Maximum Prefix: Specify the maximum number
of prefixes that a BGP routing process will
accept from the specified peer.