Lucent Technologies Cajun Switch P220 - Manual (Page 7)

Cajun P220, P550, P550R Switch Release Notes, Release 4.0.1 7
The source interface is determined as follows:
Table 1-1: Source Interface Determination: BOOTP/DHCP Relay Gateway
Number of
Interfaces on
VLAN Number of Interfaces
with Parameter
Enabled
Source Interface
1 N/A The interface itself.
1 0 The first UP interface found.
1 1 Preferred interface if UP; otherwise, first
UP interface found.
1 1 First preferred UP interface found;
otherwise, first UP interface found.