[strongSwan] multiple traffic selectors per child_sa

Noel Kuntze noel.kuntze+strongswan-users-ml at thermi.consulting
Wed Oct 3 13:32:52 CEST 2018


A good way would be to ask the ops people on the other side. I myself assume that no CISCO IPsec implementation supports several subnets on a side in a CHILD_SA. Thus far it went fine.

Kind regards


Am 03.10.18 um 09:11 schrieb Volodymyr Litovka:
> Hi Marco,
> just FYI: if you've hit this problem with Cisco - then there is an issue with both ASA and IOS models: https://community.cisco.com/t5/cisco-bug-discussions/cscue42170-ikev2-support-multi-selector-under-the-same-child-sa/td-p/3203894
> On 5/11/18 1:10 PM, Marco Berizzi wrote:
>> Hello everyone,
>> Kindly I would like to ask, if there is a way to
>> know if a remote IKEv2 peer supports multiple
>> traffic selectors per CHILD_SA.
>> For example strongswan is going to log this kind
>> of message when tfc is not supported by the other
>> IKEv2 peer:
>> received ESP_TFC_PADDING_NOT_SUPPORTED, not using ESPv3 TFC padding
>> TIA

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