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| Sean Christensen is a Professional Services Consultant with Juniper Networks. He has been working with various network technologies for the last 15 years and has a wide range of interests including electronics, programming, guitar, and hang gliding. Avram Dorfman has a Master of Science in Computer Science from Tufts University. He began his internetworking career in 1994 in the U.S. Air Force, as a member of USAF headquarters' network conf.. << 查看详细 |
| 1 hardware and architecture system evolution router functionality routing engine packet forwarding engine packet flow the craft interface using the craft interface product features m40/m20 m160 m5/mio 2 juniper software design ensuring performance with juniper networks routers divide and conquer at the core: unix processes and daemons junos software optimizations juniper networks router processes and functions the kernel process .the init process syslogd mgd and cli rpd dcd snmpd mib2d ilmid vrrpd apsd chassisd sampled alarmd embedded junos software (pfe os) routing information databases boot order and process interaction the file system file system components important directories boot source sequence software mechanics junos software release structure installing and upgrading junos software documentation 3 junos software command line interface introduction to junos software cli cli architecture cli keystrokes cli modes cli features automatic command completion simultaneous multiple user access configuration commit model using operational mode commands in configuration mode online documentation scrolling large files feature command pipe option 4 system management and services operating system and file locations root account managing user accounts and access user accounts radius and tacacs+ tacacs+ authentication order services and processes host names and dns static host tables dns teinet ssh finger file transfer protocol setting time and location ntp snmp diagnostic tools ping traceroute syslog traceoptions 5 interface configuration and control permanent vs. transient interfaces slot and port numbering on juniper networks routers interface and address categories clocking configuring the juniper networks interface physical layer parameters logical interface configuration configuring sonet interfaces physical interface card properties sonet options automatic protection switching frame check sequence loopback sonet path-trace payload scrambling rfc 2615 maximum transmission unit interoperability configuring the atm interface physical interface properties logical interface properties configuring the plesiochronous digital hierarchy: t-1/e-1 framing methods linecodes and ones density data inversion simple test patterns line buildout idle-cycle flag and transmission efficiency subrate and timeslot configuration frame check sequence encapsulations configuring the plesiochronous digital hierarchy: t-3/e-3 interfaces framing mode fcs idle-cycle flag and transmission efficiency line buildout csu compatibility mode/subrate encapsulations configuring ethernet interfaces: gigabit ethernet and fast ethernet mac address setting vlan tagging fast ethernet/gigabit ethernet options source filtering logical interface parameters configuring encapsulations configuring tunnel interfaces multicasting and tunnel pics generic route encapsulation/ip-ip and tunnel pics management interface configuration troubleshooting the monitor interface command the show interfaces extensive command loopback 6 protocomndependent routing route types static routes aggregate routes generated routes martian routes routing tables interpreting the output protocols and preferences additional route tables rib-groups other features router id autonomous system number autonomous system confederations load balancing 7 routing policy basic routing policy an example policy scenario creating a routing policy basic routing policy definition parameters application results evaluation the junos software policy framework policy components setting parameters applying policies evaluation ..o... policy framework mechanics flow control actions default policies policy chains user-defined policies terms match conditions side-effects expressions subroutines protocol-specific policy protocol-specific match conditions regular expressions troubleshooting policy test policy policy tracing debug communities policy design tactics for improving policies strategies for implementing routing policies designing subroutine policies subroutines and expressions summary 8 routing information protocol distance vector routing protocols what is distance vector? distance vector problems and solutions introduction to rip ripv1 ripv2 extensions configuring ripv2 troubleshooting ripv2 9 ospf theory ospf: a link-state routing protocol shortest path first computation ospf network types point-to-point network broadcast multi-access network non-broadcast multi-access network point-to-multipoint network considerations for multi-access networks multi-access network rules adjacency establishment hello protocol ospf authentication ospf adjacency state machine ospf packets database description packet link-state request packet link-state update packet link-state acknowledgement packet flooding flooding procedure the link-state database router-lsa network-lsa summary-lsa as-external-lsa topology maintenance ospf hierarchy ospf router classification virtually attached ospf areas ospf extensions 10 ospf configuration ospf minimum configuration requirements case study 1: point-to-point network with unnumbered interfaces viewing ospf interfaces viewing ospf neighbors interface priority configuration viewing the ospf link-state database viewing ospf routes case study 2: p2p network with numbered interfaces case study 3: bma network case study 4: hierarchical routing-- multiple-area configuration case study 5: route redistribution into ospf case study 6: stub area configuration case study 7: ospf route summarization case study 8: nssa configuration case study 9: virtual link configuration case study 10: ospf metrics and shortest path calculation 11 is-is introduction and historical background history of is-is sample network is-is terminology link-state protocol fundamentals and introduction to is-is distribution by flooding, aging, and reflooding hierarchical routing pseudonodes and designated routers on broadcast lans spf-based route calculation iso addressing fragmentation of large lsps osi model and the is-is stack is-is packet types is-is tlv types troubleshooting is-is case study: broken is-is adjacency case study: unintentionally injecting 100,000 prefixes into is-is case study: leaking level 2 prefixes into level 1 case study: leaking external level 1 prefixes into level 2 12. interdomain routing theory bgp overview history of bgp what is different about bgp v47 why use tcp as a transport? peering bgp message types finite-state machine routing information bases (ribs) ibgp and ebgp basics protocol differences bgp decision process bgp basics attributes attribute classes multihop multipath aggregation synchronization capabilities advertisement scaling bgp the ibgp full-mesh problem route reflection confederations resolving bgp next-hop addresses next-hop self policy passive interface static routes export direct hot-potato routing damping figure of merit suppress threshold half-life for exponential decay reuse threshold maximum suppress internal bgp timers new bgp v4 knobs and features multiprotocol extensions for bgp v4 extended communities route refresh cooperative route-filtering capability graceful restart mechanism for bgp 13 interdomain routing case studies basic bgp configuration and best practices isp design using routing policy for bgp control exporting routes importing routes load balancing with bgp load balancing with ebgp using multipath load balancing with ibgp using multipath load balancing with bgp using multihop route reflection and path selection in a multi-vendor network issues with route reflection and next-hop-self persistent route oscillation with route reflection first update second update third update fourth update fifth update prevention of persistent route oscillation using confederations for bgp scalability bgp in the enterprise existing network connectivity new network design default routes 14 introduction to mpls history of mpls cell switch router and ip switch aris tag switching mpls junos software and mpls overview of mpls multi-protocol label switching terminology structure of the mpls label distribution of labels static lsps signaled lsps rsvp protocol rsvp signaled lsps traffic protection advanced route resolution mpls load balancing the label distribution protocol 15 introduction to mpls virtual private networks 2547bis mpls virtual private networks 2547bis mpls vpn components 2547bis mpls vpn operation additional notes on 2547bis mpls vpn circuit cross-connect mpls tunnel cross-connect lsp stitching cross-connect layer 2 mpls virtual private networks layer 2 mpls vpn components layer 2 mpls vpn operation 16 internet processor ii and firewall filters overview of ip2 features and capabilities "performance without compromise" overview of ip2 firewau features rate limiting with the ip2 filter based forwarding logging and statistical sampling the ip2 and non-internet protocols ip1 vs. ip2: features summary determining whether your router is ip2 equipped firewall filter syntax and operation stateful inspection vs. packet filtering ip, tcp, and udp structural and operational review junos firewall syntax and processing rules the need for multiple terms in a firewall filter the junos firewall from statement the junos firewall then statement resequencing and deleting firewau terms applying junos firewall filters case study 1: routing engine protection security models: permissive vs. prudent what should be allowed? filter direction filter construction and application filter verification case study 2: transit filtering firewall requirements filter analysis and verification ip2 rate limiting shaping vs. policing ip2 rate limiting syntax and processing case study 3: rate limiting policer requirements policer configuration and verification ip2 statistical sampling the need for statistical sampling sampling configuration case study 4: statistical sampling the sampling filter forwarding options sampling verification and analysis the need for post processing case study 5: tracing and minimizing dos attacks the initial filter log analysis and filter modification index |
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