MSR50-40、 MSR20-30无法建立Ipsec VPN

IPSEC不区分设备的，看下两台设备的软件版本是不是都是V5或者V7的，如果是V5对接V7的话，命令有所不一致。

MSR30-20:

acl number 3101

 rule 0 permit ip source 10.3.2.0 0.0.0.255 destination 10.2.10.0 0.0.0.255

ike proposal 3020

 dh group2

 authentication-algorithm md5

#

ike peer peer

 exchange-mode aggressive

 proposal 3020

 pre-shared-key cipher $c$3$Zt55qA4xluK23xC1TffboRZZfL+5WdIw

 id-type name

 remote-name 5040

 remote-address Y

 local-name 3020

 nat traversal

#

ipsec transform-set tran1

 encapsulation-mode tunnel

 transform esp

 esp authentication-algorithm sha1

 esp encryption-algorithm des

#

ipsec policy use1 10 isakmp

 security acl 3101

 ike-peer peer

 transform-set tran1

#

interface GigabitEthernet0/1

 port link-mode route

 ip address X

 ipsec policy use1

MSR50-40:

acl number 3101

 rule 0 permit ip source 10.2.10.0 0.0.0.255 destination 10.3.2.0 0.0.0.255

#

ike proposal 5040

 dh group

 authentication-algorithm md5

#

ike peer peer

 exchange-mode aggressive

 proposal 5040

 pre-shared-key cipher PMEfbsX04vk=

 id-type name

 remote-name 3020

 remote-address X

 local-name 5040

 nat traversal

#

ipsec proposal tran1

 esp authentication-algorithm sha1

#

ipsec policy map 10 isakmp

 security acl 3101

 ike-peer peer

 proposal tran1

#

interface GigabitEthernet0/0

 port link-mode route

 ip address Y

 ipsec policy map

两端vpn不能成功，以上是两个设备的配置，请帮忙分析一下