i have these error when i tried to establish the vpn site to site
echo: ipsec couldn’t find configuration.
echo: ipsec respond new phase 1 negotiation: 172.23.5.1[500]<=>172.17.6.2[500]
echo: ipsec begin Identity Protection mode.
echo: ipsec received Vendor ID: DPD
echo: ipsec the packet is retransmitted by 172.17.6.2[500].
echo: ipsec phase1 negotiation failed due to time up. 46275bd9e6797b27:2563f0ab6c4695de
echo: ipsec the packet is retransmitted by 172.17.6.2[500].
echo: ipsec phase1 negotiation failed due to time up. 3f429ed0fac676c3:74563643c5c126dd
echo: ipsec respond new phase 1 negotiation: 172.23.5.1[500]<=>172.17.6.2[500]
echo: ipsec begin Identity Protection mode.
echo: ipsec received Vendor ID: DPD
this is the configutation i made
peer
address=172.17.6.2/32:500 auth-method=pre-shared-key
secret=“our key” generate-policy=no exchange-mode=main
send-initial-contact=yes nat-traversal=no proposal-check=obey
hash-algorithm=sha1 enc-algorithm=3des dh-group=modp1024 lifetime=1d
lifebytes=0 dpd-interval=disable-dpd dpd-maximum-failures=5
policy
src-address=192.168.4.0/24:any dst-address=10.11.0.0/16:any protocol=all
action=encrypt level=require ipsec-protocols=esp tunnel=yes
sa-src-address=172.23.5.1 sa-dst-address=172.17.6.2 proposal=default
manual-sa=none priority=0
propolsal
name=“default” auth-algorithms=sha1 enc-algorithms=3des lifetime=8h
pfs-group=none