Chapter 11 Routing
ZyWALL USG Series User’s Guide
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11.8.3 The BGP Neighbors Screen
Use this screen to configure BGP information about a peer BGP router.
Click Configuration > Network > Routing > BGP > Add Neighbors to open the following screen.
Figure 299 Configuration > Network > Routing > BGP > Add Neighbors
The following table describes the labels in this screen.
Network This displays the IP address and the number of subnet mask bits for the peer BGP route.
Apply Click this button to save your changes to the Zyxel Device.
Reset Click this button to return the screen to its last-saved settings.
Table 148 Configuration > Network > Routing Protocol > BGP (continued)
LABEL DESCRIPTION
Table 149 Configuration > Network > Routing Protocol > BGP
LABEL DESCRIPTION
IP Address Type the IP address of the interface on the peer BGP router.
AS Number Type a number from 1 to 4294967295 in this field. Get the number from your service
provider.
Enable EBGP Multihop Select this to allow the Zyxel Device to attempt BGP connections to external peers on
indirectly connected networks. eBGP neighbors must also perform multihop. Multihop is
not established if the only route to the multihop peer is a default route. This avoids loop
formation.
EBGP Maximum
Hops
Enter a maximum hop count from <1-255>. The default is 255.
Update Source Use this to allow BGP sessions use the selected interface for TCP connections.
•Choose Gateway and then enter the gateway IP address
•Choose Interface and then select a Zyxel Device interface.
•Choose None to use the closest interface.
MD5 authentication
key
Type the default password for MD5 authentication of communication between the Zyxel
Device and the peer BGP router. The password can consist of alphanumeric characters
and the underscore, and it can be up to 63 characters long.
Weight Specify a weight value for all routes learned from this peer BGP router in the specified
network. The route with the highest weight gets preference.
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