Linux Routers

TONY MANCILL works for Vesta, a stored-value services company in Portland, Oregon. He has worked in several large IT shops as a UNIX systems administrator and systems programmer, including Bank of America and BellSouth, and he has been running Linux in production corporate environments since 1996. Mancill is also active in the Free Software community as a volunteer developer for the Debian project (http://www.debian.org/). He is a graduate of Georgia Tech with a degree in Electrical Engineering.

(NOTE: Each chapter concludes with a Summary.)

Preface.


Introduction.


1. ROUTING BUILDING BLOCKS.


Router Hardware. The Environment around Your Router. Distributions —Router Software.



2. IP, Ethernet, And Tele Hony Basics.


Routing 101. Ethernet 101 —Switches and Hubs. WA Basics 101.



3. Silicon —A Lan Route.


Configuring a LAN Router. IP Aliasing for Multinetting. IP Monitoring Tools. The mii-diag Utility. LRP —The Linux Router Project.



4. Erbium —An Extranet Router.


Erbium 's Design. IP Masquerading Concepts. Linux 's netfilter —Concepts. Masquerading and AT with net filter.



5. Zinc —A Frame Relay Router.


Frame Relay Basics —DLCIs, PVCs, and CIRs. Linux WA Adapters. Linux and WANPIPE for Frame Relay. Troubleshooting Frame Relay with WANPIPE. MRTG —Monitoring Link Utilization. LRP with WANPIPE.



6. Cesium and Xenon —Tunneling Routers.


Linux and Token Ring. Cesium 's Environment. The iproute2 Toolset. FreeS/WAN —An IPsec Implementation for Linux. A Brief Introduction to IPv6 on Linux.



7. Oxygen —Internet Route.


Connecting to the Internet. General Network Security Measures. IP Firewalling. Notification Systems.



8. Californium —Satellite Office Router.


CHDLC Router Topology. Conserving Bandwidth —Caches and Slaves. Replacing Servers —Multifunction Routers. Linux Traffic-Shaping Walkthrough. Remote System Support.



9. Hafnium —Internet Services Router.


Allowing Access to the Outside —Proxying. Redirection of IP Traffic —Smoke and Mirrors. General Internet Services on Routers. Dynamic Routing Daemons. OSPF Walkthrough Using Zebra. Emergency Down Procedures.



10. Ye Olde Kernel Shop E —Linux 2.2.X.


IP Accounting. Conditional IP Forwarding for Linux. 345 10.3 IP Packet Filtering for Linux 2.2.x. IP Masquerading with the 2.2 Kernel. Configuring IP Masquerading for Linux 2.2.x. Using IP Masquerading Every Day. Kernel Port Forwarding —High Wizardry.



11. Conclusion.


A. Helpful Links.


B. Building The Linux Kernel.


C. Testing Strategies And Vmware.


D. Ethics And Other Considerations.


E. GNU General Public License.


Glossary.


Bibliography.


Index.