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VAS over 10G
Figure 12-10
10G
SCE ports 1 & 2
10G
The VAS link does not revert automatically. It will be switched again only if required due to a VAS
•
server group failure on this link.
The system always checks only one set of the VAS servers; those on the active VAS link.
•
There is a user-configurable parameter that controls the link-switch rate if there has not been a successful
Note
health check on the current VAS link. The default value of this parameter is less than the failure detection
time. It is recommended to configure a larger value.
Once there is a successful health check on the VAS link, the link switches immediately upon failure (see
How to Configure the Minimum Time between Link Switches, page
Cisco SCE 2000 and SCE 1000 Software Configuration Guide
12-38
VAS over 10G Topology: Failover
VAS server 1
525
SUBs
100
EC1
Active VAS link
MNG 1
MNG 2
CONSOLE
ACTIVE
LINK/
10/100/
AUX
1000
ACTIVE
LINK/
1000
10/100/
EC1
SUBs
100
525
Chapter 12
N
S
505
101
EC2
1
2
SCE
PWR A
PWR B
STATUS
BYPASS
Cisco SCE
2000
LINK RX
TX
4xGB E
Series
LINK RX
TX
LINK RX
TX
LINK RX
TX
RX
MM
TX
RX
MM
TX
RX
MM
TX
GBE-1
RX
MM
SUB
TX
LINE
NET
GBE-2
SUB LINE/CASCA
DE NET
3
4
Backup VAS link
SCE ports 3 & 4
EC2
101
7600 B
505
N
S
VAS server 1
Value Added Services (VAS) Traffic Forwarding
Net
10G
Net
10G
12-42).
OL-7827-12
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