bridge DEBUG详解文档.doc

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目 录

目 录
第1章 Debug命令介绍 1-1
1.1 debugging bridge eth-forwarding 1-1

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第1章 Debug命令介绍

第1章 Debug命令介绍
1.1 debugging bridge eth-forwarding
【命令】
debugging bridge eth-forwarding [ dlsw | interface interface-type interface-number ]
undo debugging bridge eth-forwarding [ dlsw | interface interface-type interface-number ]
【视图】
用户视图
【参数】
interface-type：接口类型。
interface-number：接口编号。
【描述】
debugging bridge命令用来打开网桥组调试信息开关，undo debugging bridge命令用来关闭调试信息开关。
缺省情况下，关闭bridge调试功能。

【举例】
# 打开Bridge模块数据包调试功能。
debugging bridge eth-forwarding
terminal display
*0.3873690 Quidway BRIDGE/8/DEBUGGING:
Do not bridge a frame without permission; received from interface Ethernet0/0/1,
with following frame head :
//提示说明桥端口Ethernet0/0/1收到一个BRIDGE不支持的帧格式
01 80 c2 00 00 00 00 e0 fc 00 39 3e 00 6a 42 42 03
//该帧头为STP协议的BPDU帧，01 80 c2 00 00 00 为广播目的MAC地址，00 e0 fc 00 39 3e 为源MAC地址，00 6a 为帧长度，42 42 03为控制字段信息
*0.3873940 Quidway BRIDGE/8/DEBUGGING:
Broadcast a frame;and try to send to interface Ethernet0/0/1, with following fra
me head :
//由某一桥端口收到的报文，向在同一桥组的Ethernet0/0/1端口发送
ff ff ff ff ff ff 00 e0 fc 00 41 01 08 06
//免费ARP报文帧头，ff ff ff ff ff ff 为广播目的MAC地址，00 e0 fc 00 41 01 为源MAC地址，08 06 为ARP报文协议类型号
*0.4062860 Quidway BRIDGE/8/DEBUGGING:
Broadcast a frame;and try to send to interface Ethernet0/0/1, with following fra
me head :
ff ff ff ff ff ff 00 e0 fc 00 41 01 08 06
*0.4063710 Quidway BRIDGE/8/DEBUGGING:
Do not bridge a frame without permission; received from interface Ethernet0/0/1,
with following frame head :
01 80 c2 00 00 00 00 e0 fc 00 39 3e 00 6a 42 42 03
*0.4063960 Quidway BRIDGE/8/DEBUGGING:
Broadcast a frame;and try to send to interface Ethernet0/0/1, with following fra
me head :
ff ff ff ff ff ff 00 e0 fc 00 41 01 08 06
*0.4064870 Quidway BRIDGE/8/DEBUGGING:
Broadcast a frame;and try to send to interface Ethernet0/0/1, with following fra
me head :
ff ff ff ff ff ff 00 e0 fc 00 41 01 08 06
*0.4065080 Quidway BRIDGE/8/DEBUGGING:
Forward a frame; received from interface Ethernet0/0/0;and try to send to interf
ace Ethernet0/0/1, with following frame head :
//由端口Ethernet0/0/0收到的报文，向同一桥组的Ethernet0/0/1转发
00 e0 fc 00 39 31 00 e0 fc 00 41 01 08 00
//IP数据报文帧头，00 e0 fc 00 39 31 为目的MAC地址，00 e0 fc 00 41 01 为源MAC地址， 08 00 为IP报文协议类型号
*0.4065340 Quidway BRIDGE/8/DEBUGGING:
Forward a frame; received from interface Ethernet0/0/1;and try to send to interf
ace Ethernet0/0/0, with following frame head :
00 e0 fc 00 41 01 00 e0 fc 00 39 31 08 00
*0.4065600 Quidway BRIDGE/8/DEBUGGING:
*0.23894930 rtb BRIDGE/8/DEBUGGING:
Discard a frame to the destination; received from interface Serial3/0/2, with fo
llowing frame head :
//在桥组中使能MAC地址过虑功能，对于特定的目的MAC进行过虑
00 00 00 00 00 09 00 00 00 00 00 0a 08 00
//IP数据报文帧头，00 00 00 00 00 09 为目的MAC地址，00 00 00 00 00 0a 为源MAC地址， 08 00 为IP报文协议类型号
*0.23895150 rtb BRIDGE/8/DEBUGGING:
Discard a frame to the destination; received from interface Serial3/0/2, with fo
llowing frame head :
00 00 00 00 00 09 00 00 00 00 00 0a 08 00
*0.23895370 rtb BRIDGE/8/DEBUGGING:
Discard a frame to the destination; received from interface Serial3/0/2, with fo
llowing frame head :
00 00 00 00 00 09 00 00 00 00 00 0a 08 00
*0.3055140 2840 BRIDGE/8/DEBUGGING:
A frame; received from interface Ethernet3/0/2;and deliver to interface bridge-template1, with following frame head :
//收到的报文上送桥模板
00 e0 fc 06 ac 67 00 e0 fc 0c a2 92 08 00 45 00 00 54

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