xStack
®
DGS-3600 Series Layer 3 Managed Gigabit Ethernet Switch
To configure BGP reflector settings on the Switch, complete the following fields:
Parameter
Description
BGP Reflector Settings
Route Reflector
Cluster ID
Enter the IP address of the cluster ID. The route reflector and its clients together form a
cluster. When a single route reflector is deployed in a cluster, the cluster is identified by the
router ID of the route reflector. The BGP cluster ID command is used to assign a cluster ID to
a route reflector when the cluster has one or more route reflectors. Multiple route reflectors
are deployed in a cluster to increase redundancy and to avoid a single point of failure. When
multiple route reflectors are configured in a cluster, they must be configured with the same
cluster ID. This allows all route reflectors in the cluster to recognize updates from peers in the
same cluster and reduces the number of updates that needs to be stored in BGP routing
tables. Setting the cluster ID to 0.0.0.0 will remove specifications of the cluster ID. The default
value is
0.0.0.0
.
Client To Client
Reflection
Enable or disable client-to-client reflection. When
Enabled
, the reflector operates in reflector
mode. When
Disabled
, the reflector operates in non-reflector mode. This means the router
will not reflect routes from the route reflect client to other route reflect clients, but it will still
send routes received from a non-reflecting client to a reflecting client.
BGP Route Reflector Client Settings
IP Address
Enter the IP address of the neighbor to be configured.
Peer Group Name
Enter the peer group to be configured.
State
When
Enabled
, the specified neighbor will become the router reflector client. By default, this
state is
Disabled
.
Click
Apply
to implement changes made.
BGP Confederation Settings
This window is used to configure BGP confederation. A confederation, which is represented by an AS, is a group of the sub AS.
A confederation can be used to reduce the internal BGP (iBGP) mesh by dividing a large single AS into multihop sub AS.
External peers interact with the confederation as if it is a single AS. Each sub AS is fully meshed within itself and it has
connections to other sub ASes within the confederation. The next hop, Multi Exit Discriminator (MED), and local preference
information is preserved throughout the confederation, allowing users to retain a single Interior Gateway Protocol (IGP) for all the
autonomous systems.
To view this window, click
L3 Features > BGP > BGP Confederation Settings
, as shown below:
Figure 4- 142. BGP Confederation Settings window
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