HP 12500 Series Configuration Manual page 225

To do...
Create a tunneling policy and
enter tunneling policy view
Configure a preferred tunnel and
specify a tunnel interface for it
Specify the tunnel selection
preference order and the number
of tunnels for load balancing
Return to system view
Enter VPN instance view
Enter IPv4 VPN view
Apply the tunnel policy to the VPN
instance
NOTE:
• In a tunneling policy, you can configure up to 64 preferred tunnels. The tunnel interfaces specified for the
preferred tunnels can have the same destination address and the tunnel encapsulation type must be
MPLS TE.
When you configure the tunnel selection preference order by using the tunnel select-seq command, a
•
tunnel type closer to the select-seq keyword has a higher priority. For example, with the tunnel
select-seq cr-lsp lsp load-balance-number 1 command configured, VPN uses an LSP tunnel when no
CR-LSP exists. After a CR-LSP is created, the VPN uses the CR-LSP tunnel instead.
A tunneling policy configured in VPN instance view is applicable to both IPv4 VPNs and IPv6 VPNs.
•
• You can configure a tunneling policy for IPv4 VPNs in both VPN instance view and IPv4 VPN view. A
tunneling policy configured in IPv4 VPN view takes precedence.
Create a tunneling policy before associating it with a VPN instance. Otherwise, the default tunneling
•
policy is used. The default tunneling policy selects only one tunnel (no load balancing) in this order: LSP
tunnel, CR-LSP tunnel.
Configuring an LDP instance
LDP instances are for carrier's carrier network applications.
This task is to configure the LDP capability for an existing VPN instance, create an LDP instance for the
VPN instance, and configure LDP parameters for the LDP instance.
To configure an LDP instance:
To do...
Enter system view
Enable LDP for a VPN instance,
create an LDP instance, and enter
MPLS LDP VPN instance view
Use the command...
tunnel-policy tunnel-policy-name
preferred-path number interface
tunnel tunnel-number
[ disable-fallback ]
tunnel select-seq { cr-lsp | lsp } *
load-balance-number number
quit
ip vpn-instance vpn-instance-name
ipv4-family
tnl-policy tunnel-policy-name
Use the command...
system-view
mpls ldp vpn-instance
vpn-instance-name
217
Remarks
Required
Optional
By default, no preferred tunnel is
configured.
Optional
By default, only one tunnel is
selected (no load balancing) in this
order: LSP tunnel, CR-LSP tunnel.
—
Required
Optional
Required
By default, only one tunnel is
selected (no load balancing) in this
order: LSP tunnel, CR-LSP tunnel.
Remarks
—
Required
Disabled by default