R211x-HP Flexfabric 11900 Security Configuration Guide

139
Ste
p
Command Remarks
10. (Optional.) Set the IPsec SA
idle timeout.
sa idle-time seconds
By default, the global SA idle
timeout is used.
11. Return to system view.
quit N/A
12. Set the global SA lifetime.
ipsec sa global-duration
{ time-based seconds |
traffic-based kilobytes }
By default, the time-based SA
lifetime is 3600 seconds, and the
traffic-based SA lifetime is
1843200 kilobytes.
13. (Optional.) Enable the global
IPsec SA idle timeout function,
and set the global SA idle
timeout.
ipsec sa idle-time seconds
By default, the global IPsec SA idle
timeout function is disabled.
Applying an IPsec policy to an interface
You can apply an IPsec policy to an interface to protect certain data flows. To cancel the IPsec protection,
remove the application of the IPsec policy.
For each packet to be sent out of an interface applied with an IPsec policy, the interface looks through the
IPsec policy entries in the IPsec policy in ascending order of sequence numbers. If the packet matches the
ACL of an IPsec policy entry, the interface uses the IPsec policy entry to protect the packet. If no match is
found, the interface sends the packet out without IPsec protection.
When the interface receives an IPsec packet whose destination address is the IP address of the local
device, it searches for the inbound IPsec SA according to the SPI carried in the IPsec packet header for
de-encapsulation. If the de-encapsulated packet matches the permit rule of the ACL, the device processes
the packet. Otherwise, it drops the packet.
An interface can reference only one IPsec policy. An IKE-based IPsec policy can be applied to more than
one interface, but a manual IPsec policy can be applied to only one interface.
To apply an IPsec policy to an interface:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Enter interface view.
interface interface-type
interface-number
N/A
3. Apply an IPsec policy to the
interface.
ipsec apply { policy | ipv6-policy }
policy-name
By default, no IPsec policy is
applied to the interface.
An interface can reference only
one IPsec policy.
An IKE-mode IPsec policy can be
applied to multiple interfaces, and
a manual IPsec policy can be
applied to only one interface.