- <route src="bob" dst="alice" symmetrical="NO"><link_ctn id="link1"/></route>
- <route src="alice" dst="bob" symmetrical="NO"><link_ctn id="link2"/><link_ctn id="link3"/></route>
- <route src="bob" dst="trudy"><link_ctn id="link2"/></route>
- <route src="trudy" dst="alice"><link_ctn id="link3"/></route>
- </AS>
+ <route src="bob" dst="alice" symmetrical="NO">
+ <link_ctn id="link1"/>
+ </route>
+ <route src="alice" dst="bob" symmetrical="NO">
+ <link_ctn id="link2"/>
+ <link_ctn id="link3"/>
+ </route>
+ <route src="bob" dst="trudy">
+ <link_ctn id="link2"/>
+ </route>
+ <route src="trudy" dst="alice">
+ <link_ctn id="link3"/>
+ </route>
+ </zone>