Hello Nikola,
Well, br0 is the local LAN interface on the gateway and the local LAN IP
of the gateway (also DHCP-server) is 10.1.1.1.
So in the network 10.1.1.0/26, 10.1.1.63 is the local broadcast address.
On 2017-01-24 00:17, Nikola Kolev wrote:
Hi,
Maybe I'm misreading the bits you posted, but why would you have your
# DHCP server unicast or broadcast IP address.
server = 10.1.1.63
configured that way? Is that one and the same interface (with 10.1.1.1
on br0)? What is the reason of having a network broadcast IP address set
on a host?
I would focus on either running dnsmasq with full debug or strace-ing
it to see what's causing that "Operation not permitted".
Cheers
On Sun, 22 Jan 2017 22:33:06 +0100
Dusan Ilic <[email protected]> wrote:
Hello,
I have a problem with the DHCP plugin.
I have Strongswan and DNSmasq on the same host (my Linux gateway) and
would like to issue IP adress from local LAN to remote access users,
however, I cant get it working. In the logging I can see Strongswan
sending DHCP Discover, and DNSmasq responding, however directly after
DNSmasq gives a strange error.
Jan 22 20:46:42 R6250 daemon.info charon: 08[CFG] sending DHCP
DISCOVER to 10.1.1.63 Jan 22 21:46:42 R6250 daemon.info dnsmasq-dhcp
[7945]: DHCPDISCOVER(br0) 7a:a7:46:6b:f7:04 Jan 22 21:46:42 R6250
daemon.info dnsmasq-dhcp[7945]: DHCPOFFER(br0) 10.1.1.60
7a:a7:46:6b:f7:04 Jan 22 21:46:42 R6250 daemon.warn dnsmasq-dhcp
[7945]: Error sending DHCP packet to 10.1.1.1: Operation not
permitted Jan 22 20:46:47 R6250 daemon.info charon: 08[CFG] DHCP
DISCOVER timed out
10.1.1.1 is my gateway. 10.1.1.63 is broadcast adress (local LAN
10.1.1.0/26). I have also tried changing broadcast in charon settings
to 255.255.255.255, but then there is no DHCPOFFER seen in the logs.
Jan 22 20:44:02 R6250 daemon.info charon: 09[CFG] sending DHCP
DISCOVER to 255.255.255.255 Jan 22 20:44:03 R6250 daemon.info charon:
09[CFG] sending DHCP DISCOVER to 255.255.255.255 Jan 22 20:44:05
R6250 daemon.info charon: 09[CFG] sending DHCP DISCOVER to
255.255.255.255 Jan 22 20:44:08 R6250 daemon.info charon: 09[CFG]
sending DHCP DISCOVER to 255.255.255.255 Jan 22 20:44:12 R6250
daemon.info charon: 09[CFG] sending DHCP DISCOVER to 255.255.255.255
Jan 22 20:44:17 R6250 daemon.info charon: 09[CFG] DHCP DISCOVER timed
out
Below is my DHCP-plugin config.
dhcp {
# Always use the configured server address.
force_server_address = yes
# Derive user-defined MAC address from hash of IKE identity.
# identity_lease = yes
# Interface name the plugin uses for address allocation.
interface = br0 # Local interface where DNSmasq is listening
# Whether to load the plugin. Can also be an integer to increase
# the priority of this plugin.
load = yes
# DHCP server unicast or broadcast IP address.
server = 10.1.1.63
}
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