当有大量的内网客户端要跟外网通信,而公网地址只有一个或者少量时,网关无法完成私有地址和公网地址的一对一的分配。 这时,网关需要结合 TCP 或 UDP 端口号,完成多个私有地址映射成一个公网地址的转换,这种转换方式叫做 NAPT( Network Address Port Translation ,网络地址端口转换)。 25、什么是 VPN ? VPN ,全称是...
问Cisco ASA IKE接收机:端口500上丢弃的Runt ISAKMP数据包EN传送门：Cisco 路由器配置实例： https://...
而且除非你使用UDP的500端口,否则传统的IKE将不能正常工作。 IKE不像Network Address Translation (NAT)。当两个IPsec节点之间使用NAT时,基于IP地址绑定的预共享密钥认证将无法工作。NAT转换修改了源地址和目标地址,结果会造成密钥与发送或接收主机的不匹配。在大多数基于有状态的防火墙使用的Port Address Translation (P...
0 peer_port 500 (I) AG_INIT_EXCH *Mar 1 01:10:12.823: ISAKMP:(0:1:SW:1):Input = IKE_MESG_FROM_PEER, IKE_AM_EXCH *Mar 1 01:10:12.823: ISAKMP:(0:1:SW:1):Old State = IKE_I_AM1 New State = IKE_ 1_COMPLETE *Mar 1 01:10:12.823: ISAKMP:(0:1:SW:1):beginning Quick ...
Profile: isaprof Session status: UP-ACTIVE Peer: 61.128.1.1 port 500 IKE SA: local 202.100.1.1/500 remote 61.128.1.1/500 Active IPSEC FLOW: permit ip 1.1.1.0/255.255.255.0 2.2.2.0/255.255.255.0 Active SAs: 2, origin: crypto map
All ISAKMP messages are carried in a UDP packet with destination port 500. IKE Phase 1 (Main Mode): Sending Message 2 Message 2 is the response from the responder to the packet that was sent by the initiator. Most of the fields are the same as in the packet sent by the initiator, so...
This is the source port of the connection, it does not matter, it can be any port, as you can see the destination port is correct, it's 500. When you mark the box "allow ipsec traffic to passtrhough access list" it allow all needed port. maybe you need to enable nat-t ...
Sep 18 16:32:54.091: ISAKMP:(1487): sending packet to 50.42.30.26 my_port 500 peer_port 500 (R) QM_IDLE Sep 18 16:32:54.091: ISAKMP:(1487):Sending an IKE IPv4 Packet. Sep 18 16:32:54.091: ISAKMP:(1487):purging node -94652246 ...
(689): ID payload next-payload : 8 type : 1 addr : 209.168.202.225 protocol : 17 port : 500 length : 8 *Mar 13 04:38:21.231: ISAKMP (689): Total payload length: 12 *Mar 13 04:38:21.231: ISAKMP (0:689): sending packet to 209.168.202.130 my_port 500 peer_port 500 (R) MM_...
(689): ID payload next-payload : 8 type : 1 addr : 209.168.202.225 protocol : 17 port : 500 length : 8 *Mar 13 04:38:21.231: ISAKMP (689): Total payload length: 12 *Mar 13 04:38:21.231: ISAKMP (0:689): sending packet to 209.168.202.130 my_port 500 peer_port...