3com MSR 20-20 참조 매뉴얼

The system only compares MED values for paths from peers within the 
confederation. Paths from external ASs are advertised throughout the 
confederation without MED comparison.

# In BGP view, enable the comparison of the MED for paths from peers within the 
confederation.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] bestroute med-confederation 

# In BGP-VPN instance view, enable the comparison of the MED for paths from 
peers within the confederation. (The VPN has been created).

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] ipv4-family vpn-instance vpn1

[Sysname-bgp-vpn1] bestroute med-confederation 

bgp as-number

undo bgp [ as-number ]

System view

as-number: Specifies the local AS number from 1 to 65535.

Use the bgp command to enable BGP and enter the BGP view.

Use the undo bgp command to disable BGP.

By default, BGP is not enabled.

# Enable BGP and set local AS number to 100.

<Sysname> system-view

[Sysname] bgp 100

[Sysname-bgp] 

BGP view/BGP-VPN instance view

None