• 全部
  • 经验案例
  • 典型配置
  • 技术公告
  • FAQ
  • 全部
  • 全部
产品线
搜索
取消
案例类型
发布者
是否解决
是否官方
时间
高级搜索

The MSR3610-X1 device cannot communicate with the Cisco device over frame relay

2020-10-16 Published
  • 0关注
  • 0收藏,63浏览
孟普 六段
粉丝:1人 关注:0人

Network Topology

NULL

Problem Description

The MSR3610-X1 device cannot communicate with the Cisco device over frame relay. When checking the connectivity, the physical layer of serial port and the protocol layer were up, but the two devices could not communicate with each other.

Process analysis

1. First, check the interface state. The physical layer and protocol layer states of Serial1/1 port are up

[route-Serial1/1]dis ip int br

*down: administratively down

(s): spoofing  (l): loopback

Interface                Physical Protocol IP Address      Description 

GE0/0                    up       up       198.xxx.xx.31    --

GE0/1                    *down    down     9.xx.xxx.210    --

GE0/2                    down     down     --              --

…….

Ser1/0                   down     down     --             --

Ser1/1                   up       up       144.xx.xxx.10   --

2、Secondly, check the interface configuration and the configuration is correct:

[route-Serial1/1]dis cur int se 1/1

#

interface Serial1/1

 description yinlian

 link-protocol fr

 fr lmi type ansi

 fr map ip 144.xx.xxx.9 101

 #

 fr dlci 101

  broadcast

 ip address 144.xx.xxx.10 255.255.255.252

#

return


Unable to Ping the address of the peer device

[tc_wt-Serial1/1]ping 144.xx.xxx.9

Ping  144.xx.xxx.9   ( 144.xx.xxx.9  ): 56 data bytes, press CTRL_C to break

Request time out

Request time out

…… 

3For the problem that the frame relay Link-layer protocol is up but cannot ping each other, we should confirm whether the address mapping configuration of the devices on both ends is correct or whether the route is reachable.

The device configuration is normal and the routing is normal, so these two issues are excluded.

4Check the interface information and find a large number of error packets and increase in the input direction of interface.

Serial1/1

Current state: UP

Line protocol state: UP

Link layer protocol is FR IETF

  LMI DLCI is 0, LMI type is ANSI, frame relay DTE

  LMI status enquiry sent 3, LMI status received 3

  LMI status timeout 0, LMI message discarded 0

Physical layer: synchronous, Virtual baudrate: 64000 bps

……

Interface: DTE

Cable type: V35

Clock mode: DTECLK1

Last 300 seconds input rate: 0.00 bytes/sec, 0 bits/sec, 0.00 packets/sec

Last 300 seconds output rate: 0.00 bytes/sec, 0 bits/sec, 0.00 packets/sec

Input:

  3 packets, 52 bytes

  0 broadcasts, 0 multicasts

  5270 errors, 0 runts, 0 giants

  0 CRC, 0 align errors, 0 overruns

  5270 aborts, 0 no buffers, 0 frame errors

Output:

  3 packets, 42 bytes

  0 errors, 0 underruns, 0 collisions

  0 deferred

  

In general, if there are many error packets in the input direction, it may be due to a clock problem.

Invert receive-clock: To eliminate the delay of half clock cycle on the circuit, invert the received clock signal of the serial port synchronously on the DTE side.

After this command is configured on all interfaces, it can be up normally and ping each other with the opposite end.


Solution

The problem is resolved after configuration invert receive-clock under the interface.

0 comments

No comments

Add Comments:

举报

×

侵犯我的权益 >
对根叔知了社区有害的内容 >
辱骂、歧视、挑衅等(不友善)

侵犯我的权益

×

泄露了我的隐私 >
侵犯了我企业的权益 >
抄袭了我的内容 >
诽谤我 >
辱骂、歧视、挑衅等(不友善)
骚扰我

泄露了我的隐私

×

您好,当您发现根叔知了上有泄漏您隐私的内容时,您可以向根叔知了进行举报。 请您把以下内容通过邮件发送到zhiliao@h3c.com 邮箱,我们会尽快处理。
  • 1. 您认为哪些内容泄露了您的隐私?(请在邮件中列出您举报的内容、链接地址,并给出简短的说明)
  • 2. 您是谁?(身份证明材料,可以是身份证或护照等证件)

侵犯了我企业的权益

×

您好,当您发现根叔知了上有关于您企业的造谣与诽谤、商业侵权等内容时,您可以向根叔知了进行举报。 请您把以下内容通过邮件发送到 zhiliao@h3c.com 邮箱,我们会在审核后尽快给您答复。
  • 1. 您举报的内容是什么?(请在邮件中列出您举报的内容和链接地址)
  • 2. 您是谁?(身份证明材料,可以是身份证或护照等证件)
  • 3. 是哪家企业?(营业执照,单位登记证明等证件)
  • 4. 您与该企业的关系是?(您是企业法人或被授权人,需提供企业委托授权书)
我们认为知名企业应该坦然接受公众讨论,对于答案中不准确的部分,我们欢迎您以正式或非正式身份在根叔知了上进行澄清。

抄袭了我的内容

×

原文链接或出处

诽谤我

×

您好,当您发现根叔知了上有诽谤您的内容时,您可以向根叔知了进行举报。 请您把以下内容通过邮件发送到zhiliao@h3c.com 邮箱,我们会尽快处理。
  • 1. 您举报的内容以及侵犯了您什么权益?(请在邮件中列出您举报的内容、链接地址,并给出简短的说明)
  • 2. 您是谁?(身份证明材料,可以是身份证或护照等证件)
我们认为知名企业应该坦然接受公众讨论,对于答案中不准确的部分,我们欢迎您以正式或非正式身份在根叔知了上进行澄清。

对根叔知了社区有害的内容

×

垃圾广告信息
色情、暴力、血腥等违反法律法规的内容
政治敏感
不规范转载 >
辱骂、歧视、挑衅等(不友善)
骚扰我
诱导投票

不规范转载

×

举报说明

提出建议

    +
<

亲~登录后才可以操作哦!

确定

你的邮箱还未认证,请认证邮箱或绑定手机后进行当前操作