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GRE Protocol Interface
end
Notes:
<
vpn_context_name
System Administration Guide.
A maximum of 100 VRFs in one context and up to 1024 VRFs on one chassis can be configured on system.
<
vrf_name
A maximum of 10000 routes can be configured through
GRE Tunnel Interface Configuration
This section provides the configuration example to configure the GRE tunnel interface and associate a VRF with GRE
interface:
configure
context <vpn_context_name>
ip interface <intfc_name> tunnel
ip vrf forwarding <vrf_name>
ip address <internal_ip_address/mask>
tunnel-mode gre
source interface <non_tunn_intfc_to_corp>
destination address <global_ip_address>
keepalive interval <value> num-retry <retry>
end
Notes:
<
vpn_context_name
more information, refer Command Line Interface Reference.
A maximum of 511 GRE tunnels + 1 non-tunnel interface can be configured in one context. System needs at
least 1 non-tunnel interface as a default.
<
intfc_name
tunnel interface.
<
vrf_name
<
internal_ip_address
<
non_tunn_intfc_to_corp
interface and preconfigured. For more information on interface configuration refer System Administration
Guide.
<
global_ip_address
> is the name of the system context you want to use for VRF. For more information, refer
> is name of the VRF which is to be associated with various interfaces.
> is the name of the system context you want to use for GRE interface configuration. For
> is name of the IP interface which is defined as a tunnel type interface and to be used for GRE
> is the name of the VRF which is preconfigured in context configuration mode.
/mask> is the network IP address with sub-net mask to be used for VRF forwarding.
> is the name a non-tunnel interface which is required by system as source
> is a globally reachable IP address to be used as a destination address.
ip maximum-routes
Cisco ASR 5x00 Packet Data Network Gateway Administration Guide ▄
GRE Interface Configuration ▀
<
> command.
max_routes
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