L2TP over ipsec vpn 错误789

Hanson1990814

L2TP server 配置如下：
R1#show run
Building configuration...

Current configuration : 1762 bytes
!
upgrade fpd auto
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R1
!
boot-start-marker
boot-end-marker
!
logging message-counter syslog
!
aaa new-model
!
!
aaa authentication ppp default local
!
!
aaa session-id common
ip source-route
no ip icmp rate-limit unreachable
ip cef
!
!
!
!
no ip domain lookup
no ipv6 cef
!
multilink bundle-name authenticated
vpdn enable
!
vpdn-group 1
! Default L2TP VPDN group
accept-dialin
  protocol l2tp
  virtual-template 1
no l2tp tunnel authentication
!
!
!
voice dsp waitstate 0
!
!
!
!
!
!
!
!
!
!
!
!
!
memory-size iomem 0
username song password 0 song
archive
log config
  hidekeys
!
!
crypto isakmp policy 10
encr 3des
authentication pre-share
crypto isakmp key 123 address 0.0.0.0 0.0.0.0
!
!
crypto ipsec transform-set myset esp-3des esp-sha-hmac
mode transport
!
crypto dynamic-map mydynamic 10
set transform-set myset
!
!
crypto map mymap 10 ipsec-isakmp dynamic mydynamic
!
!
!
ip tcp synwait-time 5
!
!
!
!
interface FastEthernet0/0
ip address 12.12.12.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
no ip address
shutdown
duplex auto
speed auto
!
interface Virtual-Template1
ip unnumbered FastEthernet0/0
peer default ip address pool mypool
!
ip local pool mypool 10.1.1.2 10.1.1.200
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 12.12.12.2
no ip http server
no ip http secure-server
!
!
!
logging alarm informational
!
!
!
!
!
!
!
control-plane
!
!
!
mgcp fax t38 ecm
!
!
!
!
gatekeeper
shutdown
!
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line aux 0
exec-timeout 0 0
privilege level 15
logging synchronous
stopbits 1
line vty 0 4
!
end

椎名真白

voice dsp waitstate 0是什么意思？