H3C S5560 交换机

TAU是 轨道通信终端设备，地址为30.30.30.56，enB是4G基站，TAU和ENB有线连接，EPC是核心网，1/0/19是H3C S5560上19口，属于VLAN101，IP地址为172.131.102.102，EPC的SGi口 IP为172.31.102.101，TAU侧GRE接口地址为192.168.4.1，核心网交换机侧GRE接口地址192.168.4.2，1/0/21为交换机22口，IP设置为192.168.2.100，属于VLAN102。交换机上查询GRE 隧道状态如下：

隧道状态不通，电脑接交换机的console口ping 30.30.30.56也ping不通。  TAU上的地址和路由配置如下：

H3C S5560交换机软件版本如下：

[H3C]dis version H3C Comware Software, Version 7.1.045, Release 1109 Copyright (c) 2004-2015 Hangzhou H3C Tech. Co., Ltd. All rights reserved. H3C S5560-30S-EI uptime is 0 weeks, 0 days, 4 hours, 58 minutes Last reboot reason : Cold reboot Boot image: flash:/s5560ei-cmw710-boot-r1109.bin Boot image version: 7.1.045, Release 1109 Compiled Mar 30 2015 15:04:07 System image: flash:/s5560ei-cmw710-system-r1109.bin System image version: 7.1.045, Release 1109 Compiled Mar 30 2015 15:04:07 Slot 1: Uptime is 0 weeks,0 days,4 hours,58 minutes H3C S5560-30S-EI with 2 Processors BOARD TYPE: S5560-30S-EI DRAM: 1984M bytes FLASH: 512M bytes PCB 1 Version: VER.B Bootrom Version: 109 CPLD 1 Version: 003 Release Version: H3C S5560-30S-EI-1109