Bgp Frr Configuration Example - HP FlexFabric 12900E Series Configuration Manual

Protocol: BGP
SubProtID: 0x1
Cost: 100
IpPre: N/A
Tag: 0
OrigTblID: 0x1
TableID: 0x2
NibID: 0x15000000
AttrID: 0x0
Flags: 0x10060
Label: NULL
BkLabel: NULL
Tunnel ID: Invalid
BkTunnel ID: Invalid
FtnIndex: 0x0
Connector: N/A
The output shows that Switch C communicates with network 1.1.1.0/24 through the path Switch
C<—>Switch D<—>Switch A.

BGP FRR configuration example

Network requirements
As shown in
traffic.
Figure 75 Network diagram
Switch A
AS 100
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown.)
2. Configure OSPF in AS 200 to ensure connectivity among Switch B, Switch C, and Switch D.
(Details not shown.)
3. Configure BGP connections:
# Configure Switch A to establish EBGP sessions to Switch B and Switch C, and advertise
network 1.1.1.1/32.
Process ID: 0
Preference: 255
QosLocalID: N/A
OrigNextHop: 2.0.1.1
RealNextHop: 2.0.2.1
BkNextHop: N/A
Interface: Vlan-interface201
BkInterface: N/A
TrafficIndex: N/A
Figure 75, configure BGP FRR so that when Link B fails, BGP uses Link A to forward
Vlan-int 100
10.1.1.2/24
Vlan-int 100
10.1.1.1/24
Vlan-int 200
30.1.1.1/24
Vlan-int 200
30.1.1.3/24
Age: 00h03m08s
State: Active Adv
OrigVrf: default-vrf
OrigAs: 0
LastAs: 0
Neighbor: 2.0.1.1
Loop0
2.2.2.2/32
Vlan-int 101
20.1.1.2/24
Switch B
Link B
Link A
Switch C
Vlan-int 201
40.1.1.3/24
Loop0
3.3.3.3/32
330
AS 200
Vlan-int 101
20.1.1.4/24
Switch D
Vlan-int 201
40.1.1.4/24