Consulta no XML

grep -E "name|monitor" /caminho/do/arquivo.xml | sed -e 's/<\/.*>\|<//g' | sed 's/>/: /g' 

<gateways>

<gateway_item>

<interface>wan</interface>

<gateway>192.158.29.1</gateway>

<name>WANGW</name>

<weight>1</weight>

<ipprotocol>inet</ipprotocol>

<interval/>

<avg_delay_samples/>

<avg_loss_samples/>

<avg_loss_delay_samples/>

<descr><![CDATA[GVT]]></descr>

<monitor>4.2.2.2</monitor>

</gateway_item>

<gateway_item>

<interface>opt1</interface>

<gateway>207.97.91.65</gateway>

<name>EmbratelGW</name>

<weight>1</weight>

<ipprotocol>inet</ipprotocol>

<interval/>

<avg_delay_samples/>

<avg_loss_samples/>

<avg_loss_delay_samples/>

<descr/>

<monitor>201.163.2.8</monitor>

<defaultgw/>

</gateway_item>

</gateways> 

name: WANGW

monitor: 4.2.2.2

name: EmbratelGW

monitor: 201.163.2.8