[strongSwan] IPSEC SA Dropping for no apparent reason

[Noel Kuntze]

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Hello Bradley,

Well, I see the IKE SA come up, but not IPsec SAs.

Mit freundlichen Grüßen/Regards,
Noel Kuntze

GPG Key ID: 0x63EC6658
Fingerprint: 23CA BB60 2146 05E7 7278 6592 3839 298F 63EC 6658

Am 18.02.2015 um 18:02 schrieb Turnbough, Bradley E.:
> We started having issues with a IPSEC B2B tunnel dropping.  When I issue the 'up' command, it brings the tunnel up, and provides me with the following info (sanitized for security).
>
> hostname.belcan.com:root:/root>ipsec up business-sa-01
> initiating Main Mode IKE_SA business-sa-01[80] to e.f.g.h
> generating ID_PROT request 0 [ SA V V V V ]
> sending packet: from a.b.c.d[500] to e.f.g.h[500] (184 bytes)
> received packet: from e.f.g.h[500] to a.b.c.d[500] (124 bytes)
> parsed ID_PROT response 0 [ SA V V ]
> received draft-ietf-ipsec-nat-t-ike-02\n vendor ID
> received FRAGMENTATION vendor ID
> generating ID_PROT request 0 [ KE No NAT-D NAT-D ]
> sending packet: from a.b.c.d[500] to e.f.g.h[500] (244 bytes)
> received packet: from e.f.g.h[500] to a.b.c.d[500] (304 bytes)
> parsed ID_PROT response 0 [ KE No V V V V NAT-D NAT-D ]
> received Cisco Unity vendor ID
> received XAuth vendor ID
> received unknown vendor ID: 7d:ca:d5:4e:05:4a:3e:5f:17:19:85:e5:b3:6c:bc:0e
> received unknown vendor ID: 1f:07:f7:0e:aa:65:14:d3:b0:fa:96:54:2a:50:01:00
> local host is behind NAT, sending keep alives
> generating ID_PROT request 0 [ ID HASH ]
> sending packet: from a.b.c.d[4500] to e.f.g.h[4500] (68 bytes)
> received packet: from e.f.g.h[4500] to a.b.c.d[4500] (84 bytes)
> parsed ID_PROT response 0 [ ID HASH V ]
> received DPD vendor ID
> IKE_SA business-sa-01[80] established between a.b.c.d[a.b.c.d]...e.f.g.h[e.f.g.h]
> scheduling reauthentication in 10193s
> maximum IKE_SA lifetime 10733s
> generating QUICK_MODE request 2145900863 [ HASH SA No ID ID ]
> sending packet: from a.b.c.d[4500] to e.f.g.h[4500] (204 bytes)
> received packet: from e.f.g.h[4500] to a.b.c.d[4500] (164 bytes)
> parsed QUICK_MODE response 2145900863 [ HASH SA No ID ID ]
> connection 'business-sa-01' established successfully
>
>
> Can someone please tell me if there is anything in there that is a problem or looks suspicious?
>
> Thanks,
>
> Brad Turnbough
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