multiple if_ipsec

Victor Gamov vit at otcnet.ru
Fri Apr 20 15:48:30 UTC 2018


On 20/04/2018 13:04, Andrey V. Elsukov wrote:
> On 20.04.2018 11:17, Victor Gamov wrote:
>> All local SA configured and established and remote side (Cisco routers)
>> report SA established too.
>>
>> But traffic goes via only one ipsec-interface.
> 
> If you have all SAs established, you probably need to check your routing
> configuration. Or at least test that addresses configured on the ipsecXX
> interfaces are reachable.

More correct problem is:  last configured ipsec interface tx/rx traffic 
only.  For my example:

- ping from 10.10.98.1 to 10.10.98.2 via ipsec30 is OK

- ping from 10.10.98.2 to 10.10.98.1 via ipsec30 is OK

- ping from 10.10.98.5 (Cisco) to 10.10.98.6 via ipsec25 -- no 
responses, but I see ESP traffic on external interface and (!!!) 
ICMP-reply from 10.10.98.5 to 10.10.98.6 on ipsec25  (but no 
ICMP-request on ipsec25 !!!)

- ping from 10.10.98.6 to 10.10.98.5 via ipsec25 -- no responses, I see 
ICMP-request on ipsec25 but no ESP-traffic on external interface


Any suggestion?

-- 
С уважением,
Гамов Виктор


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