Cisco 3750G - Catalyst Integrated Wireless LAN Controller User Manual

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Catalyst 3750 Switch Software Configuration Guide
OL-8550-02
Chapter 35 Configuring IP Unicast Routing
Configuring Multi-VRF CE
– BGP makes it easy to pass attributes of the routes to the CE.
• Multi-VRF CE does not affect the packet switching rate.
• VPN multicast is not supported.
• If no VRFs are configured then 104 policies can be configured.
• If even one VRF is configured than 41 policies can be configured.
• If more than 41 policies are configured then VRF cannot be configured.
• VRF and private VLANs are mutually-exclusive. You cannot enable VRF on a private VLAN.
Similarly, you cannot enable private VLAN on a VLAN with VRF configured on the VLAN
interface.
• VRF and policy-based routing (PBR) are mutually-exclusive on a switch interface. You cannot
enable VRF when PBR is enabled on an interface. In contrast, you cannot enable PBR when VRF is
enabled on an interface.
Configuring VRFs
Beginning in privileged EXEC mode, follow these steps to configure one or more VRFs. For complete
syntax and usage information for the commands, refer to the switch command reference for this release
and the Cisco IOS Switching Services Command Reference, Release 12.2.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
ip routing Enable IP routing.
Step 3
ip vrf vrf-name Name the VRF, and enter VRF configuration mode.
Step 4
rd route-distinguisher Create a VRF table by specifying a route distinguisher.
Enter either an AS number and an arbitrary number
(xxx:y) or an IP address and arbitrary number (A.B.C.D:y)
Step 5
route-target {export | import | both}
route-target-ext-community
Create a list of import, export, or import and export route
target communities for the specified VRF. Enter either an
AS system number and an arbitrary number (xxx:y) or an
IP address and an arbitrary number (A.B.C.D:y). The
route-target-ext-community should be the same as the
route-distinguisher entered in Step 4.
Step 6
import map route-map (Optional) Associate a route map with the VRF.
Step 7
interface interface-id Specify the Layer 3 interface to be associated with the
VRF, and enter interface configuration mode. The
interface can be a routed port or SVI.
Step 8
ip vrf forwarding vrf-name Associate the VRF with the Layer 3 interface.
Step 9
end Return to privileged EXEC mode.
Step 10
show ip vrf [brief | detail | interfaces]
[vrf-name]
Verify the configuration. Display information about the
configured VRFs.
Step 11
copy running-config startup-config (Optional) Save your entries in the configuration file.

Cisco 3750G - Catalyst Integrated Wireless LAN Controller Specifications

General

Brand	Cisco
Model	3750G - Catalyst Integrated Wireless LAN Controller
Category	Wireless Router
Language	English