cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
1421
Views
0
Helpful
1
Replies

Can ARP broadcasts be blocked for specified IPs?

NetXJames1
Level 1
Level 1

Hi,

We are using the SG300 series switches, and have come across an issue where we need to block ARP broadcasts based on IP.

Here's the scenario, we have multiple computers, each with only one ethernet adapter, each adapter has two IPs configured, 10.10.10.x and 192.168.0.100

All machines have the same 192.168.0.100 address (Used for applications/hardware running locally to that machine and this IP cannot be changed).

When the machines are connected to the network, ARP is advertising BOTH the 10.10.10.x address and the 192.168.0.100 address.

As all machines have the same 192 address we receive IP conflict notifications on each machine.

How can the ARP broadcasts for the 192 address range be blocked?

Regards,

J

1 Reply 1

Pulkit Nagpal
Cisco Employee
Cisco Employee

Hello James,

You might find reading this post useful:

https://supportforums.cisco.com/thread/2058743

Regards,

Pulkit

Review Cisco Networking products for a $25 gift card