VPN nos APs fica desconectando?

Estou enfrentando um problema de VPN (pptp) que os Aps desconecta depois de umas certas horas...

São todos os ap, todos quase ao mesmo tempo fica desconectando. Já as plaquinhas fica normal.

ai o cliente tem que reiniciar o ap e volta ao normal.


segue pptp.options

name vpn-quixere
require-pap
ms-dns 200.xx.xx.xx
ms-dns 208.67.222.222
proxyarp
nodefaultroute
lcp-echo-interval 30
lcp-echo-failure 10
lock
mtu 1490
mru 1490
nobsdcomp
plugin radius.so
plugin radattr.so

Experimente aumentar nos parametros os intervalos, assim sera menos sucetivel as quedas por falhas.

esses é um exemplo de logs do radius...
Não é perda de pacotes pq estou testando no laboratório. Distancia de 4 metros.
Repito que: com as placas não cai, so com os aps.


Wed Oct 14 11:02:42 2009
Acct-Session-Id = "4B4C7FA65ADA00"
User-Name = "soares"
Acct-Status-Type = Start
Service-Type = Framed-User
Framed-Protocol = PPP
Calling-Station-Id = "192.168.2.2"
Acct-Authentic = RADIUS
NAS-Port-Type = Async
Framed-IP-Address = 10.120.3.2
NAS-IP-Address = 10.101.82.2
NAS-Port = 1
Acct-Delay-Time = 0
Acct-Unique-Session-Id = "865230a74231dedf"
Timestamp = 1255528962
Request-Authenticator = Verified

Wed Oct 14 11:02:52 2009
Acct-Session-Id = "4B4C7FA65ADA00"
User-Name = "soares"
Acct-Status-Type = Stop
Service-Type = Framed-User
Framed-Protocol = PPP
Acct-Authentic = RADIUS
Acct-Session-Time = 10
Acct-Output-Octets = 6497
Acct-Input-Octets = 4854
Calling-Station-Id = "192.168.2.2"
NAS-Port-Type = Async
Acct-Terminate-Cause = User-Request
Framed-IP-Address = 10.120.3.2
NAS-IP-Address = 10.101.82.2
NAS-Port = 1
Acct-Delay-Time = 0
Acct-Unique-Session-Id = "865230a74231dedf"
Timestamp = 1255528972
Request-Authenticator = Verified

Wed Oct 14 11:15:45 2009
Acct-Session-Id = "4B4C82B55C9F00"
User-Name = "soares"
Acct-Status-Type = Start
Service-Type = Framed-User
Framed-Protocol = PPP
Calling-Station-Id = "192.168.2.2"
Acct-Authentic = RADIUS
NAS-Port-Type = Async
Framed-IP-Address = 10.120.3.2
NAS-IP-Address = 10.101.82.2
NAS-Port = 0
Acct-Delay-Time = 0
Acct-Unique-Session-Id = "b8b802626d43ae90"
Timestamp = 1255529745
Request-Authenticator = Verified
Wed Oct 14 11:22:04 2009
Acct-Session-Id = "4B4C82B55C9F00"
User-Name = "soares"
Acct-Status-Type = Stop
Service-Type = Framed-User
Framed-Protocol = PPP
Acct-Authentic = RADIUS
Acct-Session-Time = 379
Acct-Output-Octets = 241039
Acct-Input-Octets = 36858
Calling-Station-Id = "192.168.2.2"
NAS-Port-Type = Async
Acct-Terminate-Cause = User-Request
Framed-IP-Address = 10.120.3.2
NAS-IP-Address = 10.101.82.2
NAS-Port = 0
Acct-Delay-Time = 0
Acct-Unique-Session-Id = "b8b802626d43ae90"
Timestamp = 1255530124
Request-Authenticator = Verified