Problem witch Huawei switches and WIMAX

Created Sep 18, 2014 15:28:54Latest reply Sep 18, 2014 20:32:59 1678 4 0 0

Hi everyone.

I have problem with communication via WIMAX station. I have some simple topology:

INTERNET<---->AR200<--->S3700<---->S2700<--->WIMAX Station (AVIATION) <----> WIMAX Client (AVIATION)

There is a simple configuration on devices (NAT, one VLAN, all port setting on switch like speed, duplex etc. are default ). The target is to give WIMAX clients Internet access. On S3700 I have DHCP Server for WIMAX clients. What  is the problem? When I connect my laptop directly to one of the ports on S2700 I get IP from DHCP, I can ping default gateway (which is on S3700) and I have Internet access. But when I am connected via WIMAX client I get IP address from DHCP but I can't ping even default gateway and of course I don't have access to Internet! I have newest soft and path version on devices.

Thank you for any suggestion

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who_knows  Mentor   Created Sep 18, 2014 18:08:31 Helpful(0) Helpful(0)

If your pc can access Internet when connecting to S2700, I think DHCP configuration of S2700&S3700 is ok. I think you can check the link between WIMAX Station & WIMAX Client.

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natomiast     Created Sep 18, 2014 18:20:08 Helpful(0) Helpful(0)

Well, there is no physical link between WIMAX Station & WIMAX Client. It is radio connection. This topology is working on Cisco equipment but not on Huawei. Maybe it is something with packets format, maybe MTU (I don't now haw to change on switch physical port) or something else. I thought someone maybe had similar problem :)
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who_knows  Mentor   Created Sep 18, 2014 20:16:41 Helpful(0) Helpful(0)

You can use "display this interface" in the physical port view of S2700&S3700 to check if there're some error packets coming into the switches.

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natomiast     Created Sep 18, 2014 20:32:59 Helpful(0) Helpful(0)

Unfortunately there are no errors on any interfaces :( I only see unicast and broadcast traffic that pass via interfaces.
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