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Point-to-Multipoint with Switches ARP

caytos1989
Level 1
Level 1

Guys, I really need some help with this topology:

Switch.jpg

All the devices conected on the switches can reach OTHER networks through a router conected on the Switch Core, however, the PCs connected on the Switches A, B, or C, cant communicate with each other.....I also have IP Phones connected on the three switches...and there is NO audio when any of the phones on the Switches A,B,C call another phone on the Switches A,B,C

I've come to the conclusion that the problem is because when the devices send an ARP request (broadcast) from any of the Switches A,B,C, it goes to the Wi-LAN configured as MASTER, and sends it to the Switch Core...and because it is a broadcast...it wont send it back again through Port Fa0/6, so it never receives the MAC-ADDRESS of the device its trying to go....

Here are the configs of the Switches:

SWITCH CORE

interface FastEthernet0/6

description Point-Multipoint

switchport trunk native vlan 2036

switchport trunk allowed vlan 2036,2136

switchport mode trunk

speed 100

duplex half

SWITCH A

interface GigabitEthernet0/1

switchport trunk native vlan 2036

switchport trunk allowed vlan 2036,2136

switchport mode trunk

SWITCH B

interface GigabitEthernet0/1

switchport trunk native vlan 2036

switchport trunk allowed vlan 2036,2136

switchport mode trunk

media-type rj45

speed 100

duplex half

SWITCH C

interface FastEthernet0/24

switchport trunk encapsulation dot1q

switchport trunk native vlan 2036

switchport trunk allowed vlan 2036,2136

switchport mode trunk

PLEASE HELP!..

1 Accepted Solution

Accepted Solutions

Roman Rodichev
Level 7
Level 7

it's your wireless bridge's job to redirect broadcast frames (including ARP) to the other two bridge links. It shouldn't have to send them up to the switch. I would recommend contacting Pulse to check while that's not working.

View solution in original post

3 Replies 3

Roman Rodichev
Level 7
Level 7

it's your wireless bridge's job to redirect broadcast frames (including ARP) to the other two bridge links. It shouldn't have to send them up to the switch. I would recommend contacting Pulse to check while that's not working.

So, after going through the Web Admin Page of the Wi-Lan configured as Master...i found an option that said: Repeater Mode: OFF...

Changed that to ON!

and it worked!! had nothing to do with the switches!....

Thank you guys!

Gurpreet Kochar
Level 1
Level 1

I am not sure about the working of these wireless devices, but do you think if we convert the requests from broadcast to unicast, it should work ???