Alcatel-Lucent IAP93 Betriebsanweisung PDF herunterladen (Seite 253)

253 | IAP-VPN Configuration AOS-W Instant 6.3.1.1-4.0 | User Guide

IAP-VPN Scalability Limits

AOS-W Instant provides enhancements to the scalability limits for the IAP-VPN branches terminating on the switch.

The following table provides the IAP-VPN scalability information for various switch platforms:

Platforms Branches Routes L3 Mode Users NATUsers Total L2 Users

3200 1000 1000

N/A N/A

64000

3400 2000 2000 64000

3600 8000 8000 64000

M3 8000 8000 64000

7210 8000 8000 64000

7220 16000 16000 128000

7240 32000 32000 128000

Table 51:

IAP-VPN Scalability

l Branches—The number of IAP-VPN branches that can be terminated on a given switch platform.

l Routes—The number of L3 routes supported on the switch.

l L3 mode and NAT mode users—The number of trusted users supported on the switch. There is no scale impact

on the switch. They are limited only by the number of clients supported per OAW-IAP.

l L2 mode users—The number of L2 mode users are limited to 128000 for 7220/7240 and 64000 across all

platforms.

OSPFConfiguration

OSPF (Open Shortest Path First) is a dynamic Interior Gateway routing Protocol (IGP) based on IETF RFC 2328.

The premise of OSPF is that the shortest or fastest routing path is used. The implementation of OSPFv2 allows

switches to deploy effectively in a Layer 3 topology. The switches can act as default gateway for all clients and

forward user packets to the upstream router.

Each IAP-VPN can be defined a separate subnet derived from corporate intranet pool to allow IAP-VPN devices to

work independently. For sample topology and configuration, see

AOS-W Instant User Guide

To redistribute IAP-VPN routes into the OSPF process, use the following command :

(host)(config) # router ospf redistribute rapng-vpn

To verify if the redistribution of the IAP-VPN is enabled, use following command:

(host) #show ip ospf redistribute

Redistribute RAPNG

To configure aggregate route for IAP-VPN routes, use the following command:

(host) (config) # router ospf aggregate-route rapng-vpn

To view the aggregated routes for IAP-VPN routes, use the following command:

(host) #show ip ospf rapng-vpn aggregate-routes

RAPNG VPN aggregate routes

--------------------------

Prefix Mask Contributing routes Cost

------ ---- ------------------- ----

201.201.200.0 255.255.252.0 5 268779624

100.100.2.0 255.255.255.0 1 10

1 2 ... 248 249 250 251 252 253 254 255 256 257 258 ... 334 335

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