3com S7906E Guide De Référence

 

1-58 

2: System level 

extended-community-list-number: Number of the extended community list supported by the RR group, 

in the range 1 to 199. 

Use the rr-filter command to create an RR reflection policy. 

Use the undo rr-filter command to disable the function. 

Only IBGP routes whose route target extended community attributes satisfy the matching conditions 

are reflected. This provides a way to implement load balancing between RRs. 

# In BGP-VPNv4 subaddress family view, create an RR group and configure it to automatically filter the 

incoming VPNv4 route update packets based on the route target extended community attribute. 

<Sysname> system-view 

[Sysname] bgp 100 

[Sysname-bgp] ipv4-family vpnv4 

[Sysname-bgp-af-vpnv4] rr-filter 10 

# In BGP-L2VPN address family view, create an RR group and configure it to automatically filter the 

incoming VPNv4 route update packets based on the route target extended community attribute. 

<Sysname> system-view 

[Sysname] bgp 100 

[Sysname-bgp] l2vpn-family 

[Sysname-bgp-af-l2vpn] rr-filter 10 

sham-link  source-ip-address  destination-ip-address  [  cost  cost | dead  dead-interval  | hello 

hello-interval | retransmit retrans-interval | trans-delay delay | simple [ cipher | plain ] password1 | 

{ md5 | hmac-md5 } key-id [ cipher | plain ] password2 ] * 

undo sham-link source-ip-address  destination-ip-address  [  cost | dead  | hello  | retransmit  | 

trans-delay | simple | { md5 | hmac-md5 } key-id ] * 

OSPF area view 

2: System level 

source-ip-address: Source IP address for the sham link. 

destination-ip-address: Destination IP address for the sham link.