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RTOS/TM4C1294NCPDT: Static IP setting for HTTP Client

Part Number: TM4C1294NCPDT


Tool/software: TI-RTOS

I can easily use the HTTP Client example for DHCP network, but when I use the Static IP configuration, I always get the timeout error. 

I add the following settings in config file for static IP setting. 

var Ip = xdc.useModule('ti.ndk.config.Ip');

var Dns = xdc.useModule('ti.ndk.config.Dns');

Dns.externDnsServIp = "172.19.23.129";


Ip.autoIp = false;
Ip.address = "172.19.23.142";
Ip.gatewayIpAddr = "172.19.23.129";
Ip.mask = "255.255.255.128";

I can view the packets coming from the Tiva kit using wireshack, but no response is generated from the local server. Also, second packet onward are all highlighted in BLACK. 

I am using IAR 7.4 Tiva Kit. 

Tiva 1294Xl Kit. 

tirtos_tivac_2_16_01_14