GRE Problem On 878 ADSL Router

[Sefa On]

Dear All,

we are having problem on cisco 878. we have been try to everthing but not connet to vpn on our site.

GRE INT seems up and connect to Router but we are doest get any accesss

what we do about isseu please help us.

you can see the conf doc. on attechment file.

gre tunnel int is 23

[Sefa On]

I am getting this error

ar  5 03:00:27.781: %CRYPTO-4-RECVD_PKT_INV_SPI: decaps: rec'd IPSEC packet has invalid spi for destaddr=78.xx.136.xx, prot=50, spi=0x517BF6E9(1367078633), srcaddr=212.xx.151.xx

*Mar  5 03:00:28.361: %CRYPTO-4-IKMP_NO_SA: IKE message from 212.xx.151.xx has no SA and is not an initialization offer

[Edison Ortiz]

It seems your IPSec Tunnel is not up.

I noticed your Branch router gets its IP address via DHCP from the ISP.

This IP address may change without notice and you have static configuration for your IPSec.

Verify the IP address referenced in the configuration matches the IP address from Dialer0.

Regards,