[Openswan Users] Ipsec establish but cannot ping (routing problem)

Cebu Inc cebuinc at hotmail.com
Fri Nov 19 11:14:43 CET 2004


Hello,

Im pretty sure this is just routing problem, I can establish connection.  
this is my ipsec.conf

config setup
	interfaces="ipsec0=eth0:3 ipsec1=eth3"
	nat_traversal=yes
	virtual_private=%v4:10.0.0.0/8,%v4:172.16.0.0/12,%v4:192.168.1.0/16
	klipsdebug=none
	plutodebug=none
	uniqueids=yes

conn %default
	keyingtries=3
	compress=yes
	disablearrivalcheck=no
	authby=rsasig
	leftrsasigkey=%cert
	rightrsasigkey=%cert

conn wireless-net
	leftsubnet=192.168.1.0/24
	also=wireless

conn wireless
	left=192.168.2.254
	leftnexthop=65.x.x.x
	leftcert=/etc/ipsec.d/certs/vpncert.pem
	right=%any
	rightsubnet=vhost:%no,%priv
	auto=add
	pfs=yes

conn roadwarrior
	left=x.x.x.x
	leftnexthop=65.x.x.x
	leftsubnet=192.168.1.0/24
	leftcert=/etc/ipsec.d/certs/vpncert.pem
	right=%any
	rightsubnet=vhost:%no,%priv
	auto=add
	pfs=yes

#Disable Opportunistic Encryption
include /etc/ipsec.d/examples/no_oe.conf


My wireless works just fine, my problem is my roadwarrior setup.  The 
connection establish, but I cannot ping any internal ip's.  Ipsec works if 
im in over lapping network.

laptop 192.168.1.0/24 -----> fw --------- internet ----------- fw ------- 
192.168.1.0/24 networkABC

if im connected like this where my laptop is behind 192.168.1.0/24 same 
thing as my networkABC, the connection works, I can ping and do everything 
else.

If I use dialup or other network that is not as networkABC ip's, then I can 
only make ipsec establish, but I cannot do anything else.

looking at my route

dialup ------ networkABC gateway ---------- ipsec0

which looks fine, doing ipsec eroute also looks ok.

I did try to tcpdump the internal nic (eth1) I do not see anything 
connection made, on my external (eth0) I can see the connection made.

Please help.

Thanks

joshua mercado






Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[1] 68.224.10.89 #1: 
responding to Main Mode from unknown peer 68.224.10.89
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[1] 68.224.10.89 #1: 
transition from state (null) to state STATE_MAIN_R1
Nov 19 01:32:04 abcl pluto[9503]: "roadwarrior"[1] 68.224.10.89 #1: 
transition from state STATE_MAIN_R1 to state STATE_MAIN_R2
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[1] 68.224.10.89 #1: Peer ID 
is ID_DER_ASN1_DN: 'C=x, ST=x, L=x, O=x, CN=x, E=x'
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #1: deleting 
connection "roadwarrior" instance with peer 68.224.10.89 
{isakmp=#0/ipsec=#0}
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #1: I am 
sending my cert
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #1: 
transition from state STATE_MAIN_R2 to state STATE_MAIN_R3
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #1: sent MR3, 
ISAKMP SA established
Nov 19 01:32:04 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #2: 
responding to Quick Mode
Nov 19 01:32:05 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #2: 
transition from state (null) to state STATE_QUICK_R1
Nov 19 01:32:05 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #2: 
transition from state STATE_QUICK_R1 to state STATE_QUICK_R2
Nov 19 01:32:05 abc pluto[9503]: "roadwarrior"[2] 68.224.10.89 #2: IPsec SA 
established {ESP=>0x7b43b1ce <0x4dbda09e}

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