HP Traffic Director sa7220 User Manual
Page 283
A P P E N D I X C
Failover Modes
C271
Notes for the table above:
1. SAP only works if the default gateway = SA8220.
2. The offline SA8220’s routed mode is inactive.
3. Server(s) are on the other side of the inside router.
4. SAP only works if inside router has a default route to the
SA8220.
5. The router must have static routes from brokered subnet to
server-side subnet.
Serial
Cable
Failover
AND
Routed (2)
VIP ARPing
N/A
Same subnet,
only on
“outside”
N/A
Same subnet, only
on “outside”
DHCP
No
No
No
No
HOT
Yes
Yes
Yes
Yes (5)
HOT and SAP Yes (1)
Yes (1)
Yes (1)
Yes (1) (4)
OPR
Yes
N/A
Yes
No
RICH
Yes
Yes
Yes
Yes (5)
RICH and
SAP
Yes (1)
Yes (1)
Yes (1)
Yes (1) (4)
Failover
Mode
Feature
Single
Interface
with
“outside”
router
Dual Interface
Dual
Interface
with
“outside”
router
Dual Interface
with “inside”
and “outside”
routers (3)