Difference between revisions of "CCDA/Enterprise LAN design"
From Teknologisk videncenter
< CCDA
m (→Access Lag) |
m (→Access Lag) |
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spanning-tree portfast will be enabled | spanning-tree portfast will be enabled | ||
channel group will be disabled | channel group will be disabled | ||
+ | |||
A1(config-if)#<input>do show run int fa0/1</input> | A1(config-if)#<input>do show run int fa0/1</input> | ||
interface FastEthernet0/1 | interface FastEthernet0/1 |
Revision as of 14:41, 12 January 2010
LAN media
Best Pratice for Hierarchical Layers
Access Lag
- Begræns VLAN til rackskabet (Ikke End-to-End)
- Brug RPVST+ hvis Spanning Tree skal anvendes
- Sæt VLAN Dynamic Trunking Protocol (DTP) til Desirable/Diserable med forhandling slået fra.
- Prune VLAN manuelt for at forhindre unødvendige Broadcast.
- Brug VTP transparant mode, da der ikke er brug for en fælles VLAN database.
- Disable Trunking på access porte. Giver mere sikkerhed og får Portfast til at fungere hurtigere.
- Overvej at anvende routning i Access Laget for at få hurtig konvergens og Load-Balancing.
- Brug switchport host kommandoen på server og bruger porte for at
A1(config-if)#<input>do show run int fa0/1</input>
interface FastEthernet0/1
description Accessport USER
no ip address
end
A1(config-if)#<input>switchport host</input>
switchport mode will be set to access
spanning-tree portfast will be enabled
channel group will be disabled
A1(config-if)#<input>do show run int fa0/1</input>
interface FastEthernet0/1
description Accessport USER
<notice>switchport mode access</notice>
no ip address
<notice>spanning-tree portfast</notice>
end