BGP OSPF Questions: Difference between revisions
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= Hardware =
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1900 series routers for small branch office they support wan connectivity up to 25 M also called ISRG2 with two intergrated Gig ports .
rd
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= IPSEC =
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= BGP =
BGP SYnchronization rule -IF the AS is acting transient for other AS routes learn through BGP will not be advertized unless the all the routes learn this routes though IGP.
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network x.x.x.x mask backdoor
= OSPF =
OSPF Packet type -Hello ,DBD ,LSR ,LSU ,LSA
Each interface participate in OSPF send hello at 224.0.0.5
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we can also use GRE link between nonbackbone area and backbone area ,run area 0 over tunneled interface but there is GRE overhead.IN case of virtul only OSPF packets are send as tunneled packet and data traffic is send as it is normal area connected to backbone area.
= EIGRP =
EIGRP runs on ip protocol 88 , ospf 99
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Both IGRP and EIGRP use an Autonomous System (AS) number and only routers using the same AS number can exchange routing information using that protocol. When routing information is propagated between IGRP and EIGRP, redistribution has to be manually configured because IGRP and EIGRP use different AS numbers. However, redistribution occurs automatically when both IGRP and EIGRP use the same AS number
= MPLS =
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= Switching =
commands for switching
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