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18. Explain how OSPF operates in a multiple area NBMA environment
Best Resources!
OSPF restrictions in an NBMA environment
- Hellos will not be sent to 224.0.0.5 in a point-to-multipoint
- Neighbors can be manually configured for NBMA
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RoutingE68
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68. Identify potential sources of congestion in an AppleTalk
network.
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AppleTalk Addressing
- Layer 3 Datagram Delivery Protocol (DDP) defines: network(16bits).node(8bits).
- No subnetting and classes.
- Versions
| Description | Phase 1 | Phase 2 |
|---|
| Network addresses per segment | 1 | Unlimited | | Host addresses per network | 127 | Unlimited | | Server addresses per network | 127 | Unlimited | | Zones per network | 1 | 255 |
AppleTalk Protocol
- AARP (AppleTalk Address Resolution Protocol) maps a network address to
a hardware address. Similar with ARP.
Monitoring AppleTalk Traffic
- show appletalk globals
- show appletalk interface
- show appletalk interface brief
- show appletalk route
- show appletalk zone
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Exam
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