User Manual UMN:CLI
V5808
519
configure sessions for IPv4 prefixes.
Exits to Router Configuration mode.
11.1.5 BGP Neighbor
To assign IP address or peer group name for BGP Neighboring router within specified AS
number, use the following command.
neighbor {A.B.C.D | WORD}
remote-as <1-4294967295>
Configures BGP neighboring router and specify AS
number of BGP Neighbors.
A.B.C.D: neighbor IP address
WORD: peer group name or neighbor tag
1-4294967295: AS number
no neighbor { A.B.C.D | WORD}
remote-as <1-4294967295>
Deletes the configured BGP Neighbor within specified
AS number.
11.1.5.1 Default Route
The V5808 can be configured that particular neighboring BGP routers or peer group is
assigned by default route as 0.0.0.0. Then, neighboring router or member of peer group is
able to receive the information of default route from the designated routers.
The following command allows neighboring BGP routers or Peer Group to transmit
0.0.0.0 as the default route.
To generate the default route to BGP neighbor or peer group, use the following command.
neighbor {NEIGHBOR-IP |
WORD} default-originate [route-
map NAME]
Generates the default route to BGP Neighbor.
NEIGHBOR-IP: neighbor IP address
WORD: peer group name or neighbor tag
1-65535: remote AS number
NAME: route map name
no neighbor {NEIGHBOR-IP |
WORD} default-originate [route-
map NAME]
Removes the default route for BGP Neighbor or peer
group.
11.1.5.2 Peer Group
As the number of external BGP groups increases, the ability to support a large number of
BGP sessions may become a scaling issue. In principle all members of BGP routers
within a single AS must connect to other neighboring routers. The preferred way to
configure a large number of BGP neighbors is to configure a few groups consisting of
multiple neighbors per group. Supporting fewer BGP groups generally scales better than
supporting a large number of BGP groups. This becomes more evident in the case of
dozens of BGP neighboring groups when compared with a few BGP groups with multiple
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