Hi, > I agree with Certificates you will need to set "uniqueids=no"...and use the > same set of certs for each tunnel..
No, just use different certificates and different IDs. It's not any different with PSKs, for example. I already did that by scripting with python. Why do you want that many IKE_SAs? For throughput testing, you only need many CHILD_SAs. Kind regards Noel On 15.01.2018 18:35, Rajiv Kulkarni wrote: > Hi > > Actually it works when using PSK, without setting "uniqueids=no"..it could > continue to be the default ."uniqueids=yes" which is implicit..becos you need > each tunnel to have unique-ids for separation > > I agree with Certificates you will need to set "uniqueids=no"...and use the > same set of certs for each tunnel.. > > So say you have a setup as below: > > (multiple-subnets)-----(Lan)[GW1](Wan)====(Wan)[GW2](Lan)-----(multiple-subnets) > > Note: Its imperative and must that you define the default-gw-ipaddress (as > the remote-gw wanipaddr) on each of the GW1 and GW2...eventhough they maybe > connected back-to-back and they maybe having ipaddresses in same subnet... > > > In my case i configured a 1000-tunnels (1 tunnel = 1 IKE-SA pair, 2 IPsec-SA > pairs), between GW1 and GW2 using the same single wanipaddress > > I did it successfully by ensuring that each connection-entry in the > ipsec.conf file has a unique-set of left/right-IDs and therefore a > corresponding set of PSK in the ipsec.secrets file > > I also successfully sent continuous traffic thru each of the 1000 tunnels > (infact i triggered the tunnels to get established by sending traffic hitting > each of the ipsec policies...) using tools like spirentTC/ixia....start by > sending about 100KB of traffic for each of the subnet-pairs...and once all > the tunnels are established..you may increase the traffic load as per your > setup requirements > > Please find attached the sample config files for both GW1 and GW2 for the > 1000-tunnels (please rename the files to ipsec.conf/ipsec.secrets on the > respective GWs) > > Hope this helps > > thanks & regards > Rajiv > > > On Thu, Jan 11, 2018 at 5:26 PM, Noel Kuntze > <[email protected] > <mailto:[email protected]>> wrote: > > Hi, > > Set uniqueids = no in config setup. > Better, use swanctl.conf with swanctl. There, you can set it per conn and > not globally. > > Kind regards > > Noel > > On 06.01.2018 01:15, Jun Hu wrote: > > Hi, > > Does strongswan support multiple IKE SA (each with its own CHILD_SA) > between single pair of address? > > it seems strongswan only allow one IKE SA per pair of address > > > > I am using strongswan 5.5.0, inter-op with a IKEv2 client that I wrote > (for learning purpose) , my client is the tunnel initiator, when I only > creates one IKE SA (along with one CHILD_SA), everything is good; > > but when my client try to create 2nd CHILD_SA (using IKE_SA_INIT and > IKE_AUTH exchange, not rekey) using same addresses,the 2nd IKE and CHILD SA > were created successfully at the beginning, but after a few seconds, > strongswan send a delete msg to delete the 1st IKE_SA > > > > I also tried to set charon.reuse_ikesa to no, but same result > > > > I checked strongswan logs, it doesn't say why it deletes 1st IKE SA: > > root@vm-svr:/usr/local/etc# ipsec status > > Security Associations (2 up, 0 connecting): > > l2l[2]: ESTABLISHED 9 seconds ago, > 10.10.10.1[10.10.10.1]...10.10.10.20[1.1.1.1] > > l2l{2}: INSTALLED, TUNNEL, reqid 2, ESP SPIs: c1aab5fc_i > 3f174706_o > > l2l{2}: 10.10.10.1/32 <http://10.10.10.1/32> > <http://10.10.10.1/32> === 1.1.1.2/32 <http://1.1.1.2/32> <http://1.1.1.2/32> > > l2l[1]: ESTABLISHED 19 seconds ago, > 10.10.10.1[10.10.10.1]...10.10.10.20[1.1.1.1] > > l2l{1}: INSTALLED, TUNNEL, reqid 1, ESP SPIs: ca5a49fd_i > 617a4971_o > > l2l{1}: 10.10.10.1/32 <http://10.10.10.1/32> > <http://10.10.10.1/32> === 1.1.1.1/32 <http://1.1.1.1/32> <http://1.1.1.1/32> > > root@vm-svr:/usr/local/etc# ipsec status > > Security Associations (1 up, 0 connecting): > > l2l[2]: ESTABLISHED 10 seconds ago, > 10.10.10.1[10.10.10.1]...10.10.10.20[1.1.1.1] > > l2l{2}: INSTALLED, TUNNEL, reqid 2, ESP SPIs: c1aab5fc_i > 3f174706_o > > l2l{2}: 10.10.10.1/32 <http://10.10.10.1/32> > <http://10.10.10.1/32> === 1.1.1.2/32 <http://1.1.1.2/32> <http://1.1.1.2/32> > > > > > > > > part of the log: > > ..... > > Jan 5 15:50:21 06[MGR] <l2l|2> checkout IKEv2 SA with SPIs > 2c79130e38a24598_i c530ad0d0f1a47f0_r > > Jan 5 15:50:21 06[MGR] <l2l|2> IKE_SA l2l[1] successfully checked out > > Jan 5 15:50:21 06[MGR] <l2l|1> checkin IKE_SA l2l[1] > > Jan 5 15:50:21 06[MGR] <l2l|1> checkin of IKE_SA successful > > Jan 5 15:50:21 06[IKE] <l2l|2> IKE_SA l2l[2] established between > 10.10.10.1[10.10.10.1]...10.10.10.20[1.1.1.1] > > Jan 5 15:50:21 06[IKE] <l2l|2> IKE_SA l2l[2] state change: CONNECTING > => ESTABLISHED > > Jan 5 15:50:21 06[IKE] <l2l|2> scheduling rekeying in 490s > > Jan 5 15:50:21 06[IKE] <l2l|2> maximum IKE_SA lifetime 500s > > Jan 5 15:50:21 06[KNL] <l2l|2> got SPI c1aab5fc > > Jan 5 15:50:21 06[KNL] <l2l|2> adding SAD entry with SPI c1aab5fc and > reqid {2} > > Jan 5 15:50:21 06[KNL] <l2l|2> using encryption algorithm AES_CBC > with key size 128 > > Jan 5 15:50:21 06[KNL] <l2l|2> using integrity algorithm > HMAC_SHA1_96 with key size 160 > > Jan 5 15:50:21 06[KNL] <l2l|2> using replay window of 32 packets > > Jan 5 15:50:21 06[KNL] <l2l|2> adding SAD entry with SPI 3f174706 and > reqid {2} > > Jan 5 15:50:21 06[KNL] <l2l|2> using encryption algorithm AES_CBC > with key size 128 > > Jan 5 15:50:21 06[KNL] <l2l|2> using integrity algorithm > HMAC_SHA1_96 with key size 160 > > Jan 5 15:50:21 06[KNL] <l2l|2> using replay window of 0 packets > > Jan 5 15:50:21 06[KNL] <l2l|2> adding policy 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> === 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> out [priority 383616, refcount 1] > > Jan 5 15:50:21 06[KNL] <l2l|2> adding policy 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> === 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> in [priority 383616, refcount 1] > > Jan 5 15:50:21 06[KNL] <l2l|2> adding policy 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> === 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> fwd [priority 383616, refcount > 1] > > Jan 5 15:50:21 06[KNL] <l2l|2> adding policy 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> === 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> fwd [priority 383616, refcount 1] > > Jan 5 15:50:21 06[KNL] <l2l|2> policy 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> === 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> out already exists, increasing > refcount > > Jan 5 15:50:21 06[KNL] <l2l|2> updating policy 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> === 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> out [priority 183616, refcount 2] > > Jan 5 15:50:21 06[KNL] <l2l|2> getting a local address in traffic > selector 10.10.10.1/32 <http://10.10.10.1/32> <http://10.10.10.1/32> > > Jan 5 15:50:21 06[KNL] <l2l|2> using host 10.10.10.1 > > Jan 5 15:50:21 06[KNL] <l2l|2> getting iface name for index 4 > > Jan 5 15:50:21 06[KNL] <l2l|2> using 10.10.10.20 as nexthop and eth2 > as dev to reach 10.10.10.20/32 <http://10.10.10.20/32> <http://10.10.10.20/32> > > Jan 5 15:50:21 06[KNL] <l2l|2> installing route: 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> via 10.10.10.20 src 10.10.10.1 dev > eth2 > > Jan 5 15:50:21 06[KNL] <l2l|2> getting iface index for eth2 > > Jan 5 15:50:21 06[KNL] <l2l|2> policy 1.1.1.2/32 <http://1.1.1.2/32> > <http://1.1.1.2/32> === 10.10.10.1/32 <http://10.10.10.1/32> > <http://10.10.10.1/32> in already exists, increasing refcount > > Jan 5 15:50:21 06[KNL] <l2l|2> updating policy 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> === 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> in [priority 183616, refcount 2] > > Jan 5 15:50:21 06[KNL] <l2l|2> policy 1.1.1.2/32 <http://1.1.1.2/32> > <http://1.1.1.2/32> === 10.10.10.1/32 <http://10.10.10.1/32> > <http://10.10.10.1/32> fwd already exists, increasing refcount > > Jan 5 15:50:21 06[KNL] <l2l|2> updating policy 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> === 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> fwd [priority 183616, refcount > 2] > > Jan 5 15:50:21 06[KNL] <l2l|2> policy 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> === 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> fwd already exists, increasing > refcount > > Jan 5 15:50:21 06[KNL] <l2l|2> updating policy 10.10.10.1/32 > <http://10.10.10.1/32> <http://10.10.10.1/32> === 1.1.1.2/32 > <http://1.1.1.2/32> <http://1.1.1.2/32> fwd [priority 283616, refcount 2] > > Jan 5 15:50:21 06[IKE] <l2l|2> CHILD_SA l2l{2} established with SPIs > c1aab5fc_i 3f174706_o and TS 10.10.10.1/32 <http://10.10.10.1/32> > <http://10.10.10.1/32> === 1.1.1.2/32 <http://1.1.1.2/32> <http://1.1.1.2/32> > > Jan 5 15:50:21 06[KNL] <l2l|2> querying SAD entry with SPI c1aab5fc > > Jan 5 15:50:21 06[KNL] <l2l|2> querying SAD entry with SPI 3f174706 > > Jan 5 15:50:21 06[KNL] <l2l|2> 10.10.10.1 is on interface eth2 > > Jan 5 15:50:21 06[ENC] <l2l|2> generating IKE_AUTH response 1 [ IDr > AUTH SA TSi TSr ] > > Jan 5 15:50:21 06[NET] <l2l|2> sending packet: from 10.10.10.1[500] to > 10.10.10.20[500] (204 bytes) > > Jan 5 15:50:21 06[MGR] <l2l|2> checkin IKE_SA l2l[2] > > Jan 5 15:50:21 06[MGR] <l2l|2> checkin of IKE_SA successful > > Jan 5 15:50:31 05[MGR] checkout IKEv2 SA with SPIs 2c79130e38a24598_i > c530ad0d0f1a47f0_r > > Jan 5 15:50:31 05[MGR] IKE_SA l2l[1] successfully checked out > > Jan 5 15:50:31 05[IKE] <l2l|1> queueing IKE_DELETE task > > Jan 5 15:50:31 05[IKE] <l2l|1> activating new tasks > > Jan 5 15:50:31 05[IKE] <l2l|1> activating IKE_DELETE task > > Jan 5 15:50:31 05[IKE] <l2l|1> deleting IKE_SA l2l[1] between > 10.10.10.1[10.10.10.1]...10.10.10.20[1.1.1.1] > > Jan 5 15:50:31 05[IKE] <l2l|1> IKE_SA l2l[1] state change: ESTABLISHED > => DELETING > > Jan 5 15:50:31 05[IKE] <l2l|1> sending DELETE for IKE_SA l2l[1] > > Jan 5 15:50:31 05[ENC] <l2l|1> generating INFORMATIONAL request 0 [ D ] > > Jan 5 15:50:31 05[NET] <l2l|1> sending packet: from 10.10.10.1[500] to > 10.10.10.20[500] (76 bytes) > > Jan 5 15:50:31 05[MGR] <l2l|1> checkin IKE_SA l2l[1] > > Jan 5 15:50:31 05[MGR] <l2l|1> checkin of IKE_SA successful > > Jan 5 15:50:31 13[MGR] checkout IKEv2 SA by message with SPIs > 2c79130e38a24598_i c530ad0d0f1a47f0_r > > Jan 5 15:50:31 13[MGR] IKE_SA l2l[1] successfully checked out > > > > ===ipsec.conf=== > > conn %default > > keyexchange=ikev2 > > mobike = no > > reauth=no > > > > conn l2l > > ikelifetime=500s > > margintime=10s > > rekeyfuzz=0% > > ike=aes128-sha1-modp2048! > > esp=aes128-sha1 > > authby=psk > > leftfirewall=yes > > rightsubnet=1.0.0.0/8 <http://1.0.0.0/8> <http://1.0.0.0/8> > > auto=add > > > > > >
signature.asc
Description: OpenPGP digital signature
