[Openswan Users] When IPSec tunnel up, cannot communicate with local LAN
petermcgill at goco.net
Wed Oct 1 15:25:33 EDT 2014
Yes overlapping subnets have worked just fine in the past.
And it greatly simplifies administration.
1 tunnel per site instead of many
star network vs full mesh
I have another site using openswan 2.4.6 on Slackware Linux 10.0 also with
And it has no problems.
It's much older and running KLIPS however.
root at lark:~# ipsec verify
Checking your system to see if IPsec got installed and started correctly:
Version check and ipsec on-path [OK]
Linux Openswan U2.6.37/K3.2.0-4-amd64 (netkey)
Checking for IPsec support in kernel [OK]
SAref kernel support [N/A]
NETKEY: Testing XFRM related proc values [OK]
Please disable /proc/sys/net/ipv4/conf/*/accept_redirects
or NETKEY will accept bogus ICMP redirects!
Checking that pluto is running [OK]
Pluto listening for IKE on udp 500 [OK]
Pluto listening for NAT-T on udp 4500 [FAILED]
Two or more interfaces found, checking IP forwarding [FAILED]
Checking NAT and MASQUERADEing [OK]
Checking for 'ip' command [OK]
Checking /bin/sh is not /bin/dash [WARNING]
Checking for 'iptables' command [OK]
Opportunistic Encryption Support [DISABLED]
root at lark:~# sysctl -p
net.ipv4.ip_forward = 1
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.all.send_redirects = 0
net.ipv4.conf.eth0.arp_notify = 1
vm.swappiness = 0
Systems Analyst and Administrator
Gra Ham Energy Limited
More information about the Users