Hi All,

I am facing one problem in Strongswan IPSEC tunnel . Can you please help me to 
resolve it.

[cid:[email protected]]


I am using IPV6 over IPV4 strongswan IPSEC tunnel between Access point and 
security gateway. Tunnel got established. Access point got “virtual IPV6” 
address from security gateway via IPSEC tunnel.  Access Point already got 
another one global SLACC IPV6 address from Broadband router. I  can able to 
ping security gateway’s IPV4 address as well as can able to ping IPV6 address 
of Virtual IPv6’s peer via IPSEC tunnel

Problem is, I could not able to ping Broadband router’s IPV6 global address 
from Access Point, If IPSEC tunnel is present. I can able to ping broadband 
router’s IPV6 address ,if IPSEC tunnel is stopped.

Access point has two global IPV6 addresses. One is “Virtual IPV6 address” from 
security gateway via IPSEC tunnel and another one is IPV6 address from 
Broadband router.

Below configuration used in “Access point”

#ipsec.conf - strongswan IPsec configuration  file

config setup
    strictcrlpolicy=no
    uniqueids = yes
    charondebug = "all"

conn %default
        ikelifetime=1h
        keylife=20h
        ike=aes128-sha256-modp2048!
        esp=aes128-sha1!
        rekeymargin=3m
        keyingtries=1
        keyexchange=ikev2
        rekey=no

conn client_to_server
       leftid=$(uci get ap_inventory.@inventory[0].Serial_number)
        left=$ap_ipv4_addr
        leftsourceip=%config6
        leftsubnet=%dynamic
        #leftsubnet=::/0
        leftauth=psk
        right=$secgw_ip
        rightid=%any
        rightsubnet=::/0
        rightauth=psk
        auto=start
        dpdaction=clear
        dpddelay=30

Thanks,
Durga K


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