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14 Cards in this Set
- Front
- Back
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BGP Attributes and Path Selection |
We Love Oranges As Oranges Means Pure Refreshment Weight (highest) Local Preference (highest) Originate (local originate) AS Path (shortest) Origin Code (IGP < EGP < Incomplete) MED (lowest) Paths (external preference over internal) Router ID (lowest) |
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OSPF LSA Types |
Type 1 - Router
Type 2 - Network Type 3 - Summary Type 4 - Summary ASBR Type 5 - Autonomous System External Type 6 - Multicast OSPF Type 7 - Not-So-Stubby area Type 8 - External Attribute LSA for BGP |
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BGP AS Numbers |
- 0: reserved - 1 - 64,495: public AS numbers - 64,496 - 64,511: reserved to use in documentation - 64,512 - 65,534 - private AS numbers - 65.535 – reserved |
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Routing Protocols default seed metric for distribution |
The metric if distributing into these protocols RIP - Infinity EIGRP - Infinity OSPF - 20 except BGP is 1 BGP - BGP metric is set to IGP metric |
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Multicast IP addresses |
224.0.0.5 - OSPF 224.0.0.6 - OSPF 224.0.0.9 - RIPv2 224.0.0.10 - EIGRP 224.0.0.102 - HSRPv2/GLBP |
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Default Frame Relay OSPF Hello Intervals Point-to-Point Point-to-Multipoint Broadcast Nonbroadcast |
Point-to-Point - 10 Point-to-Multipoint - 30 Broadcast - 10 Nonbroadcast - 30 Dead interval is 4x the hello interval |
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show ip nhrp (Next Hop Resolution Protocol) What does authoritative flag mean |
Indicates that the NHRP information was obtained from the Next Hop Server or router that maintains the NBMA-to-IP address mapping for a particular destination. |
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Three modes of Unicast Reverse Path Forwarding |
Strict Mode Loose Mode VRF Mode |
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Useful IP Protocol #s EIGRP OSPF GRE |
EIGRP - 88 OSPF - 89 GRE - 47 |
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2 Methods of deployment when implementing NAT64 |
Stateless Stateful |
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Link Local IPv6 Prefix |
FE80 |
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What is NPTv6 |
- Network Prefix Translation v6 - used to translate an IPv6 address prefix to another IPv6 address prefix - It is checksum-neutral |
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Unicast RPF (Reverse Path Forwarding) |
test |
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IPv6 Header differences |
Hop Limit Traffic Class Flow Label |
