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430 Nokia Network Voyager for IPSO 4.0 Reference Guide
EBGP Load Balancing Example: Scenario #1
Loopback interfaces are used to configure load balancing for EBGP between two ASes over two
parallel links.
This example consists of the following:
Enabling BGP function
Configuring loopback addresses
Adding static routes
Configuring peers
Configuring inbound and route redistribution policies
In the following diagram:
Nokia Platform A is in autonomous system AS100, and Nokia Platform B is in autonomous
system AS200.
Nokia Platform A has a loopback address of 1.2.3.4, and Nokia Platform B has a loopback
address of 5.6.7.8.
Configuring a Loopback Address on Platform A
1. Configure the interface as in “Ethernet Interfaces.”
2. Click Interface Configuration under Configuration in the tree view.
3. Click the Logical Address Loopback link.
4. Enter
1.2.3.4 in the New IP Address text box; then click Apply.
Configuring a Loopback Address on Platform B
1. Configure the interface as in “Ethernet Interfaces.”
2. Click Interface Configuration under Configuration in the tree view.
3. Click the Logical Address Loopback link.
4. Enter the
5.6.7.8 in the New IP address text box; then click Apply.
Configuring a Static Route on Platform A
1. Click Static Routes under Configuration > Routing in the tree view.
2. Enter
5.6.7.8
in the New static route text box to reach the loopback address of Platform B.
3. Enter
32 in the Mask length edit box; then click Apply.
AS100
00335
Nokia
Platform A
AS200
Nokia
Platform B
Loopback
1.2.3.4
Loopback
5.6.7.8
129.10.1.1
129.10.2.1
129.10.1.2
129.10.2.2