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Enterasys Networks XSR CLI Router User Manual

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BGP Configuration Commands

6-86 Configuring the Border Gateway Protocol

Mode

Routerconfiguration:XSR(config-router)#

Default

Enabled

Example

ThefollowingexampleconfiguressummarizationinBGPprocess100:

XSR(config)#router bgp 100

XSR(config-router)#auto-summary

bgp always-compare-med

ThiscommandinstructstheXSRtocomparetheMultiExitDiscriminator(MED)valueforpaths

fromneighborsindifferentASs.MEDisoneoftheparametersconsideredbytheXSRwhen

selectingthebestpath.ThepathwiththelowestMEDvalueischosenwhenallhigher‐ranking

BGProuteselection

criteriaarethesameforallcompetingpathstothesamedestination.

Syntax

bgp always-compare-med

Syntax of the “no” Form

ThenoformofthiscommandremovestheMEDvalue:

no bgp always-compare-med

Mode

Routerconfiguration:XSR(config-router)#

Default

ThedefaultvalueforthiscommandistoonlycomparetheMEDvaluesforpathsfromneighbors

inthesameAS.

Example

ThefollowingexamplesetsMEDwithinBGPprocess100:

XSR(config)#router bgp 100

XSR(config-router)#bgp always-compare-med

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