Avaya Configuring Integrated IP Security Instrukcja Użytkownika Pobierz pdf (Strona 44)

Configuring IP Security Services

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304111-A Rev 00

The corresponding policy actions are:

•Drop

• Bypass

• Protect

• Log (a message will be written to the router log)

The first three actions are mutually exclusive. You can specify a logging action for

any of the other three actions. Note that if an incoming packet that does not match

any configured policy arrives at an IPsec interface, it is dropped by default.

Policy Considerations

When you configure a WAN interface with IPsec, all inbound and outbound traffic

on that interface is processed by IPsec, including traffic being forwarded.

For unicast traffic containing routing or control information, consider configuring

policies that allow such traffic to bypass IPsec. For example, to allow ICMP traffic

(such as “ping” or “destination unreachable” messages) to bypass IPsec

processing, configure the first policy for the interface with the protocol criterion

set to number 1 (ICMP) and the action specification set to bypass.

If a data packet matches the criteria for more than one policy, the first matching

policy is used.

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Avaya Configuring Integrated IP Security Instrukcja Użytkownika Strona 44