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Knowledge Base

S5700 IP Conflict Issue

Publication Date:  2017-09-07  |   Views:  350  |   Downloads:  0  |   Author:  y84073587  |   Document ID:  EKB1000859648

Contents

Issue Description

version:v2r10

topology:

scripts:

 int vlanif 1

  ip address 10.58.27.1 255.255.255.0

  dhcp select interface
problem:customer found there are may IP Conflicts and the server is affected.

Handling Process

After checked with customer, they configured server ip as static ip. and the ip is included in ip pool. The pool didn't exclude these IP. So the IP Conflict Issue happend.

We let customer know the reason and then they permit to exclude these IP in the dhcp pool.

Root Cause

Customer configured the server ip as static in the dhcp segment.

Solution

We let customer know the reason and then they permit to exclude these IP in the dhcp pool.

scripts:

reset ip pool interface vlanif1 x.x.x.x
y
sys
int vlanif 1
dhcp server excluded-ip-address x.x.x.x

Suggestions

When configure static ip in a dhcp pool, please exclude the ip in pool.