Operation Manual – MPLS L3VPN
H3C S9500 Series Routing Switches
Chapter 1 MPLS L3VPN Configuration
1-50
To do…
Use the command…
Remarks
Display the BGP
VPNv4 routing
information of a
specified VPN
instance
display bgp vpnv4 vpn-instance
vpn-instance-name
routing-table
[
network-address
[
{
mask-length
|
mask-address
}
[
longer-prefixes
] ] |
as-path-acl as-path-acl-number
|
cidr
|
community
[
aa:nn
]&<1-13>[
no-export-subconfed
|
no-advertise
|
no-export
]* [
whole-match
]
|
community-list
{
basic-community-list-number
[
whole-match
] |
adv-community-list-number
}&<1-16> |
dampened
|
dampening parameter
|
different-origin-as
|
flap-info
[
as-path-acl
as-path-acl-number
|
network-address
[
mask
[
longer-match
] |
mask-length
[
longer-match
] ] |
regular-expression
as-regular-expression
]
|
peer ip-address
{
advertised-routes
|
received-routes
} |
regular-expression
as-regular-expression
|
statistic
]
Available in
any view
Display information
about OSPF sham
links
display ospf
[
process-id
]
sham-link
[
area
area-id
]
Available in
any view
Display information
about a specified or
all tunnel policies
display tunnel-policy
{
all
|
policy-name
tunnel-policy-name
}
Available in
any view
Clear the route flap
dampening
information of a
VPN instance
reset bgp vpn-instance
vpn-instance-name
dampening
[
network-address
[
mask
|
mask-length
]
Available in
user view
Clear route flap
history information
about a BGP peer
of a VPN instance
reset bgp vpn-instance
vpn-instance-name
ip-address
flap-info
reset bgp vpn-instance
vpn-instance-name
flap-info
[
ip-address
[
mask
|
mask-length
] |
as-path-acl as-path-acl-number
|
regexp
as-path-regexp
]
Available in
user view
1.11 MPLS L3VPN Configuration Example
1.11.1 Example for Configuring MPLS L3VPNs
I. Network requirements
z
CE 1 and CE 3 belong to VPN A, while CE 2 and CE 4 belong to VPN B.
z
VPN A uses VPN target attributes 111:1, while VPN B uses VPN target attributes
222:2. Users of different VPNs cannot access each other.
