HP 5500 Ei 5500 Si Switch Series Configuration Guide

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Task   Remarks 
optimizing IPv6 
MBGP networks  Enabling the IPv6 MBGP orf capability 
Optional 
Configuring the maximum number of equal-cost routes for 
load-balancing Optional
 
Configuring a large 
scale IPv6 MBGP 
network  Configuring an IPv6 MBGP peer group 
Optional
 
Configuring IPv6 MBGP community  Optional
 
Configuring an IPv6 MBGP route reflector  Optional
 
 
Configuring basic IPv6 MBGP functions 
Configuration prerequisites 
IPv6 MBGP is an application of multiprotocol BGP. Before you...

 416 
To configure a preferred value for routes from a peer or a peer group:  
Step  Command  Remarks 
1.  Enter system view. 
system-view  N/A 
2.  Enter BGP view.   bgp as-number   N/A
 
3.  Enter IPv6 MBGP address 
family view.   ipv6-family multicast 
N/A 
4.  Specify a preferred value for 
routes received from the IPv6 
MBGP peer or the peer 
group.   peer {
 ipv6-group-name  | 
ipv6-address  } preferred-value 
value   Optional. 
The preferred value defaults to 0. 
 
Controlling route distribution...

 417 
Step  Command  Description 
4.  Enable default route 
redistribution into the IPv6 
MBGP routing table.  default-route imported  Optional. 
By default, default route 
redistribution is not allowed. 
If the default-route imported
 
command is not configured, using 
the  import-route  command cannot 
redistribute any IGP default route.
5.   Enable route redistribution 
from another routing protocol.  import-route 
protocol [ process-id  
[ med  med-value  | route-policy  
route-policy-name  ] * ]...

 418 
Configuring outbound IPv6 MBGP route filtering  
Step  Command  Remarks 
1.  Enter system view. 
system-view  N/A 
2.  Enter BGP view.  
bgp as-number   N/A
 
3.  Enter IPv6 MBGP address 
family view.   ipv6-family multicast 
N/A 
4.  Configure outbound IPv6 
MBGP route filtering.  
• Configure the filtering of outgoing 
routes: 
filter-policy  { acl6-number  |  
ipv6-prefix  ipv6-prefix-name  }  export  
[  protocol process-id  ] 
• Specify an IPv6 ACL to filter routes 
advertised to a peer or a...

 419 
Step  Command  Remarks 
4.  Configure IPv6 MBGP 
inbound route filtering.  
• Configure inbound route filtering: 
filter-policy  { acl6-number  | ipv6-prefix  
ipv6-prefix-name  } import  
• Apply a routing policy to routes from a 
peer or a peer group: 
peer {  ipv6-group-name  | ipv6-address  } 
route-policy  route -policy-name  import  
• Specify an IPv6 ACL to filter routes from a 
peer or a peer group: 
peer {  ipv6-group-name  | ipv6-address  } 
filter-policy  acl6-number  import  
• S p e ci...

 420 
•  IPv6 MBGP protocol preference 
•   Default LOCAL_PREF attribute 
•   MED attribute 
•   NEXT_HOP attribute 
•   AS_PATH attribute 
Configuration prerequisites 
Before you configure IPv6 MBGP route attributes, complete the following tasks: 
•  Enable IPv6. 
•   Configure basic IPv6 MBGP functions. 
Configuring IPv6 MBGP route preferences  
Step  Command  Remarks 
1.  Enter system view. 
system-view  N/A 
2.
  Enter BGP view.  
bgp as-number   N/A
 
3.  Enter IPv6 MBGP address 
family view....

 421 
Step  Command  Remarks 
3.  Enter IPv6 MBGP address 
family view.   ipv6-family multicast 
N/A 
4.  Configure a default MED 
value.   default med 
med-value
  Optional. 
By default, the default 
med-value is 
0.  
5.  Enable the comparison of the 
MED for routes from different 
ASs.   compare-different-as-med 
Optional. 
Not enabled by default. 
6.
  Enable the comparison of the 
MED for routes from each AS.  bestroute compare-med  Optional. 
Disabled by default.
 
7.  Enable the comparison of the...

 422 
Step  Command  Remarks 
4.  Allow the local AS number to 
appear in the as-path of 
routes from a peer or a peer 
group and specify the number 
of times that the local AS 
number can appear in the 
as-path of routes from the peer 
or the peer group.  peer { ipv6-group-name 
| 
ipv6-address  } allow-as-loop  
[ number  ]
  Optional. 
Not allowed by default.
 
5.  Disable IPv6 MBGP from 
considering the as_path 
during best route selection.  bestroute as-path-neglect 
Optional. 
Enabled by default....

 423 
Step  Command  Remarks 
3.  Enter IPv6 address family 
view.   ipv6-family 
N/A
 
4.  Enable IPv6 BGP route refresh 
for a peer or a peer group.  peer { ipv6-group-name
 | 
ipv6-address }  capability-advertise  
route-refresh  Optional. 
Enabled by default.
 
 
Performing soft reset manually 
If the peer does not support route refresh, you can use the  peer keep-all-routes command to save all the 
route updates from the peer, and then use the  refresh bgp ipv6 multicast command to soft-reset IPv6...

 424 
Step Command Remarks 
3.  Enter IPv6 address family 
view.  ipv6-family 
N/A 
4.  Enable BGP route refresh for a 
peer or a peer group.  peer { group-name
 | 
ipv6-address }  capability-advertise 
route-refresh  Optional. 
Enabled by default. 
If this feature is not enabled, you 
must configure this command.  
5.
  Enable the non-standard ORF 
capability for a BGP peer or a 
peer group.  peer { group-name
 | 
ipv6-address }  capability-advertise 
orf non-standard  Optional. 
By default, standard...