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IP reachability issue

Latest reply: Dec 31, 2018 14:07:08 816 9 9 1

Hello, 

in this post, I would like to share you a case about IP reachability issue due to the misconfiguration.


Problem Description

CE-03-----------U2000---------Router----------CE-04

from CE-03 both the IPs 10.10.10.66 and 10.10.10.67 are reachable 

10.10.10.66 old U2000 IP

10.10.10.67 new U2000 IP

but from CE-04 only 10.10.10.66 is reachable

 

Problem Analysis

Ask customer to explain the issue in details and feedback network topology and device diagnose information.

Check the route and find the 2 IPs have no difference.


Root Cause

It is configuration issue and device does not configure gateway.


Solution Description

Check the two different switch, the left one is connecting directly with U2000 while the right one goes to U2000 by L3. After configuring the gateway on device, it is working.


That's all for this post. 

If you have any suggestions, please comment below.

Thanks.


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xiaomumu
Created Dec 24, 2018 01:24:34 Helpful(0) Helpful(0)


Very helpful
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yjhd
Created Dec 26, 2018 02:59:45 Helpful(0) Helpful(0)

check the 2 different switch, left one is connecting directly with U2000

right one goes to U2000 by L3,after configure the gateway on device, it is working.
View more
  • x
  • convention:

No.9527
Created Dec 26, 2018 03:09:54 Helpful(0) Helpful(0)

The U2000 is an equipment management system developed by Huawei. It is also a major future-oriented network management solution that provides powerful element management and network management functions.

In the TMN hierarchy, the U2000 is located at and supports all the functions of the element management and network management layers. Figure 1 shows the position of the U2000 in the TMN hierarchy.
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GongXiaochuan
Created Dec 26, 2018 08:06:55 Helpful(0) Helpful(0)

the issue because of the U2000 getaway miss in configuration , good to know
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  • x
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Good Good Study Day Day Up
Finn92
Created Dec 29, 2018 01:59:44 Helpful(0) Helpful(0)

check the 2 different switch, left one is connecting directly with U2000

right one goes to U2000 by L3,after configure the gateway on device, it is working.

the handle progress is very thoughtful , learnt .
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  • x
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SupperRobin
Created Dec 29, 2018 03:39:25 Helpful(0) Helpful(0)

the issue because of the U2000 getaway miss in configuration
check the 2 different switch, left one is connecting directly with U2000

right one goes to U2000 by L3,after configure the gateway on device, it is working.
View more
  • x
  • convention:

SupperRobin
Created Dec 29, 2018 03:39:44 Helpful(0) Helpful(0)

To deploy mobile certificate on the Agile Controller-Campus system, import the root certificate of the enterprise to the Agile Controller-Campus system and import the CRL or configure the Agile Controller-Campus system to automatically obtain the CRL periodically. When users use their own certificates to connect to the network, the Agile Controller-Campus system verifies validity of the certificates using the root certificate. If the Agile Controller-Campus system reads the CRL and detects that a user's certificate has been revoked, it does not allow the user to connect to the network.
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  • x
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littlestone
Created Dec 29, 2018 13:14:57 Helpful(0) Helpful(0)

WannaCry (also known as Wanna Decryptor), a "worm-like" blackmail virus software, 3.3MB in size, is exploited by criminals using the dangerous vulnerability "Eternal Blue" leaked by NSA (N*** Agency).
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  • x
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user_2915719
Created Dec 31, 2018 14:07:08 Helpful(0) Helpful(0)

they should be at same network at first sight, but we need detailed network configuration to analyze, in this case, it's because of one host didn't configure a gateway.
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  • x
  • convention:

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