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350-001 · Question #172

You add the following commands into a routed topology: router eigrp 1 variance 3 traffic-share min across-interfaces. Users now complain about voice quality in your VoIP system. What should be done?

The correct answer is C. Remove the variance from the configuration. Traffic-share min command causes EIGRP to divide traffic only among the routes with the best metric. When the traffic-share min command is used with the across-interfaces keyword, an attempt is made to use as many different interfaces as possible to forward traffic to the same…

Routing Protocols

Question

You add the following commands into a routed topology: router eigrp 1 variance 3 traffic-share min across-interfaces. Users now complain about voice quality in your VoIP system. What should be done?

Options

  • AAdd the command: router eigrp 1 traffic-share voice interface fast 0/0.
  • BReconfigure EIGRP to recognize voice packets.
  • CRemove the variance from the configuration.
  • DReconfigure the VoIP system to use RTP sequence number headers.
  • EUse an H.323 gatekeeper for your VoIP system to negotiate an H.245 uneven packet buffer.
  • FReconfigure EIGRP to version 2.

How the community answered

(29 responses)
  • A
    3% (1)
  • B
    17% (5)
  • C
    66% (19)
  • D
    10% (3)
  • F
    3% (1)

Explanation

Traffic-share min command causes EIGRP to divide traffic only among the routes with the best metric. When the traffic-share min command is used with the across-interfaces keyword, an attempt is made to use as many different interfaces as possible to forward traffic to the same destination. Therefore with the configuration above, EIGRP will only use equal-cost load- balancing feature even when the variance command is used. However, if you use both the traffic- share min command and variance command, even though traffic is sent over the minimum-cost path only, all feasible routes get installed into the routing table, which decreases the convergence

Topics

#EIGRP variance#traffic-share#unequal-cost load balancing#VoIP quality

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