- <route src="alice" dst="bob" symmetrical="YES"><link_ctn id="link1"/></route>
- <route src="alice" dst="carl" symmetrical="YES"><link_ctn id="link2"/></route>
- <route src="alice" dst="dave" symmetrical="YES"><link_ctn id="link3"/></route>
- <route src="bob" dst="carl" symmetrical="YES"><link_ctn id="link4"/></route>
- <route src="bob" dst="dave" symmetrical="YES"><link_ctn id="link5"/></route>
- <route src="carl" dst="dave" symmetrical="YES"><link_ctn id="link6"/></route>
+ <route src="alice" dst="bob"><link_ctn id="link1"/></route>
+ <route src="alice" dst="carl"><link_ctn id="link2"/></route>
+ <route src="alice" dst="dave"><link_ctn id="link3"/></route>
+ <route src="bob" dst="carl"><link_ctn id="link4"/></route>
+ <route src="bob" dst="dave"><link_ctn id="link5"/></route>
+ <route src="carl" dst="dave"><link_ctn id="link6"/></route>