Cisco Cisco IOS Software Release 12.0(22)S
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Cisco IOS Release 12.0(22)S
MPLS VPN—Carrier Supporting Carrier
Feature History
The carrier supporting carrier feature enables one MPLS VPN-based service provider to allow other
service providers to use a segment of its backbone network. This document includes the following
sections:
service providers to use a segment of its backbone network. This document includes the following
sections:
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Feature Overview
Carrier supporting carrier is a term used to describe a situation where one service provider allows
another service provider to use a segment of its backbone network. The service provider that provides
the segment of the backbone network to the other provider is called the backbone carrier. The service
provider that uses the segment of the backbone network is called the customer carrier.
another service provider to use a segment of its backbone network. The service provider that provides
the segment of the backbone network to the other provider is called the backbone carrier. The service
provider that uses the segment of the backbone network is called the customer carrier.
Release
Modification
12.0(14)ST
This feature was introduced in Cisco IOS Release 12.0(14)ST.
12.0(16)ST
Support for the Cisco 12000 series routers (Engine 0) for the Cisco IOS
12.0 ST release was added.
12.0 ST release was added.
12.2(8)T
This feature was integrated into Cisco IOS Release 12.2(8)T. Support was
added for the Cisco 12.2 T release for the following platforms: Cisco 3640
series, Cisco 3660 series, Cisco 4500 series, Cisco uBR7200 series, and
the Cisco MGX Route Processor Module
added for the Cisco 12.2 T release for the following platforms: Cisco 3640
series, Cisco 3660 series, Cisco 4500 series, Cisco uBR7200 series, and
the Cisco MGX Route Processor Module
12.0(21)ST
Support for the Cisco 12000 Series routers for the Cisco IOS 12.0 ST
release was added. (See
release was added. (See
for specific line cards supported.)
12.0(22)S
This feature was integrated into Cisco IOS Release 12.0(22)S. Support for
the Cisco 12000 series line cards was added. (See
the Cisco 12000 series line cards was added. (See
for specific line
cards supported.)