二层VPN, 透传VLAN ID：L2TP over Bridge over ipsec over gre

二层VPN, 透传VLAN ID：L2TP over Bridge over ipsec over gre

配置文件：

r1.txt

sw1.txt

sw2.txt

r2.txt

r3.txt

<HQ-R1-LNS>display ike sa v2        
    Conn-ID  Peer            VPN   Flag(s)                Phase  
  ---------------------------------------------------------------
        2    12.12.12.2      0     RD|ST                  2     
        1    12.12.12.2      0     RD|ST                  1    
  Flag Description:
  RD--READY   ST--STAYALIVE   RL--REPLACED   FD--FADING   TO--TIMEOUT
  HRT--HEARTBEAT   LKG--LAST KNOWN GOOD SEQ NO.   BCK--BACKED UP
<HQ-R1-LNS>display ipsec sa
===============================
Interface: Tunnel0/0/0
 Path MTU: 1500
===============================
  -----------------------------
  IPSec profile name: "profile1"
  Mode              : PROF-ISAKMP
  -----------------------------
    Connection ID     : 2
    Encapsulation mode: Tunnel
    Tunnel local      : 12.12.12.1
    Tunnel remote     : 12.12.12.2
    Qos pre-classify  : Disable
    [Outbound ESP SAs]
      SPI: 2331486054 (0x8af7a766)
      Proposal: ESP-ENCRYPT-AES-128 SHA2-256-128
      SA remaining key duration (bytes/sec): 1744809303/2314
      Max sent sequence-number: 4810
      UDP encapsulation used for NAT traversal: N
    [Inbound ESP SAs]
      SPI: 844370656 (0x325412e0)         
      Proposal: ESP-ENCRYPT-AES-128 SHA2-256-128
      SA remaining key duration (bytes/sec): 1886857692/2314
      Max received sequence-number: 4827
      Anti-replay window size: 32
      UDP encapsulation used for NAT traversal: N
<HQ-R1-LNS>

<HQ-R1-LNS>display l2tp tunnel
 Total tunnel = 1
 LocalTID RemoteTID RemoteAddress    Port   Sessions RemoteName
 1        1         192.168.1.2      42246  1        lac_1
<HQ-R1-LNS>

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