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每天都有一段时间不能上网,大神帮我把个脉,看看问题 ....

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发表于 2017-4-25 11:19:54 | 显示全部楼层 |阅读模式
本帖最后由 zxk114 于 2017-4-27 09:23 编辑

公司8:30上班,每天早上8:30到大概9:00多点这个时间段,网络非常慢,几乎打不开网页
故障期间,ping 阿里DNS、百度、网关ip都延迟稳定,没有丢包,qq能上,能下载,就是打不开网页

***
4/27 Update
新发现:爱快路由器拔掉思科交换机,速度立马恢复正常
接普通傻瓜交换机,也是么有问题
可是思科交换机应该也没有问题啊
难道是思科和爱快尿不到一起去?

***
原来是爱快带二层交换机,现在启用三层交换机并且开dhcp还是没有改观
之前爱快带二层交换机用了半年多,非常稳定,网速很快,某一天突然这样了
我已经折腾了一个多星期了,能想到的办法基本都试过了
爱快的技术只看路由器,不管交换机等,几个技术看了路由器也是没啥问题如果有热心的好人能帮忙彻底解决,找出病根,小弟愿出一点茶水钱聊表心意

实在不行,最后一个办法就只能换路由器了,这个爱快i5/4G的配置,才买半年多


拓扑图

5.jpg
爱快路由器配置(版本2.7.4)

1.jpg

2.jpg

3.jpg

4.jpg

不知道这是个什么情况,每天都有端口频繁的断开

6.jpg

补上测速
7.jpg


三层交换机Cisco 3560配置
Building configuration...
Current configuration : 4635 bytes
!
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname C3560
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$NK4e$nrU/uuzWAJlN9OEF6tfDg0
!
!
!
no aaa new-model
system mtu routing 1500
vtp mode transparent
ip routing
ip dhcp excluded-address 10.8.2.2 10.8.2.10
ip dhcp excluded-address 10.8.3.2 10.8.3.10
ip dhcp excluded-address 10.8.4.2 10.8.4.10
ip dhcp excluded-address 10.8.5.2 10.8.5.10
ip dhcp excluded-address 10.8.6.2 10.8.6.10
ip dhcp excluded-address 10.8.7.2 10.8.7.10
ip dhcp excluded-address 10.8.8.2 10.8.8.10
ip dhcp excluded-address 10.8.9.2 10.8.9.10
ip dhcp excluded-address 10.10.10.2 10.10.10.10
!
ip dhcp pool vlan2
   network 10.8.2.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.2.1
!
ip dhcp pool vlan3
   network 10.8.3.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.3.1
!
ip dhcp pool vlan4
   network 10.8.4.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.4.1
!
ip dhcp pool vlan5
   network 10.8.5.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.5.1
!
ip dhcp pool vlan6
   network 10.8.6.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.6.1
!
ip dhcp pool vlan7
   network 10.8.7.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.7.1
!
ip dhcp pool vlan8
   network 10.8.8.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.8.1
!
ip dhcp pool vlan9
   network 10.8.9.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.8.9.1
!
ip dhcp pool vlan10
   network 10.10.10.0 255.255.255.0
   dns-server 223.5.5.5 223.6.6.6
   default-router 10.10.10.1
!
!
!
!
!
!
!
!
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
vlan 2-10,22
!
!
!
!
interface FastEthernet0/1
switchport access vlan 2
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/2
switchport access vlan 2
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/3
switchport access vlan 2
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/4
switchport access vlan 2
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/5
switchport access vlan 2
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/6
switchport access vlan 2
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/7
spanning-tree portfast
!
interface FastEthernet0/8
spanning-tree portfast
!
interface FastEthernet0/9
spanning-tree portfast
!
interface FastEthernet0/10
spanning-tree portfast
!
interface FastEthernet0/11
spanning-tree portfast
!
interface FastEthernet0/12
spanning-tree portfast
!
interface FastEthernet0/13
spanning-tree portfast
!
interface FastEthernet0/14
spanning-tree portfast
!
interface FastEthernet0/15
spanning-tree portfast
!
interface FastEthernet0/16
spanning-tree portfast
!
interface FastEthernet0/17
spanning-tree portfast
!
interface FastEthernet0/18
spanning-tree portfast
!
interface FastEthernet0/19
spanning-tree portfast
!
interface FastEthernet0/20
spanning-tree portfast
!
interface FastEthernet0/21
switchport access vlan 10
switchport mode access
spanning-tree portfast
!
interface FastEthernet0/22
switchport access vlan 22
switchport mode access
speed 100
duplex full
spanning-tree portfast
!
interface FastEthernet0/23
switchport trunk encapsulation dot1q
spanning-tree portfast
spanning-tree link-type point-to-point
ip dhcp snooping trust
!
interface FastEthernet0/24
switchport trunk encapsulation dot1q
spanning-tree portfast
spanning-tree link-type point-to-point
ip dhcp snooping trust
!
interface GigabitEthernet0/1
!
interface GigabitEthernet0/2
shutdown
!
interface Vlan1
no ip address
!
interface Vlan2
ip address 10.8.2.1 255.255.255.0
!
interface Vlan3
ip address 10.8.3.1 255.255.255.0
!
interface Vlan4
ip address 10.8.4.1 255.255.255.0
!
interface Vlan5
ip address 10.8.5.1 255.255.255.0
!
interface Vlan6
ip address 10.8.6.1 255.255.255.0
!
interface Vlan7
ip address 10.8.7.1 255.255.255.0
!
interface Vlan8
ip address 10.8.8.1 255.255.255.0
!
interface Vlan9
ip address 10.8.9.1 255.255.255.0
!
interface Vlan10
ip address 10.10.10.1 255.255.255.0
!
interface Vlan22
ip address 172.16.2.1 255.255.255.252
!
ip classless
ip route 0.0.0.0 0.0.0.0 172.16.2.2
ip http server
ip http secure-server


二层交换机配置(Cisco 2918)
二层交换机有两个,配置基本一样,就是给的VLAN不一样(一个是2-5,一个是6-9)


spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
!
interface FastEthernet0/1
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/2
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/3
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/4
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/5
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/6
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/7
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/8
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/9
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/10
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/11
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/12
switchport access vlan 2
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/13
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/14
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/15
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/16
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/17
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/18
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/19
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/20
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/21
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/22
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/23
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/24
switchport access vlan 3
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/25
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/26
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/27
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/28
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/29
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/30
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/31
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/32
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/33
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/34
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/35
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/36
switchport access vlan 4
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/37
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/38
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/39
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/40
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/41
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/42
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/43
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/44
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/45
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/46
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/47
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface FastEthernet0/48
switchport access vlan 5
switchport mode access
storm-control broadcast level pps 5 2
spanning-tree portfast
!
interface GigabitEthernet0/1
switchport trunk allowed vlan 1-5
switchport mode trunk
spanning-tree portfast
spanning-tree link-type point-to-point
!
interface GigabitEthernet0/2
!
interface Vlan1
no ip address
no ip route-cache
!
ip http server
ip http secure-server
!
control-plane
!
!
line con 0
line vty 0 4









发表于 2017-4-25 11:24:36 | 显示全部楼层
去看看你宽带上行是多少,上行不够会导致你说的这些情况。
 楼主| 发表于 2017-4-25 11:27:37 | 显示全部楼层
jrflsh 发表于 2017-4-25 11:24
去看看你宽带上行是多少,上行不够会导致你说的这些情况。

上下行都是将近10M/s,出故障的时候并没有多少流量
发表于 2017-4-25 11:30:02 | 显示全部楼层
zxk114 发表于 2017-4-25 11:27
上下行都是将近10M/s,出故障的时候并没有多少流量

多线叠加10M还是单线10M上下行?
发表于 2017-4-25 11:31:25 | 显示全部楼层
检查内网是否出现环路以及非法dhcp
发表于 2017-4-25 11:32:09 | 显示全部楼层
很明显问题是wan1 频繁断线。
 楼主| 发表于 2017-4-25 11:35:59 | 显示全部楼层
jrflsh 发表于 2017-4-25 11:30
多线叠加10M还是单线10M上下行?

单线10M上下行..............
 楼主| 发表于 2017-4-25 11:37:35 | 显示全部楼层
junkissyou 发表于 2017-4-25 11:31
检查内网是否出现环路以及非法dhcp

爱快自带检测功能,没有检测到异常
交换机开启了广播风暴抑制
 楼主| 发表于 2017-4-25 11:38:57 | 显示全部楼层
yuanxfsq 发表于 2017-4-25 11:32
很明显问题是wan1 频繁断线。

这个wan1断线我也是搞不懂是个什么情况
是爱快的锅?
但是在其他时段也有,并没有感觉到网络异常
发表于 2017-4-25 11:39:40 | 显示全部楼层
有可能是早上,所有人开电脑,系统自动更新,软件自动更新。
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