IPv6 on
Cable
|
12.2(33)SCA
|
This
feature is introduced on the Cisco uBR7225VXR, Cisco uBR7246VXR, and Cisco
uBR10012 Universal Broadband Routers.
The
following new commands are supported:
- cable
ip-init
- cable
ipv6
source-verify
- clear
cable
modem
name
- debug
cable
ipv6
- show
cable
modem
classifiers
- show
cable
modem
domain-name
- show
cable
modem
ipv6
- show
cable
modem
type
|
|
12.2(33)SCA
|
The
following modified commands are supported:
- cable
event
syslog-server
- cable
filter
group
- clear
cable
host
- clear
cable
modem
reset
- ping
docsis
- show
cable
filter
- show
cable
modem
- show
cable
modem
access-group
|
IPv6 on
Cable (continued)
|
12.2(33)SCA
|
- show
cable
modem
calls
- show
cable
modem
classifiers
- show
cable
modem
cnr
- show
cable
modem
connectivity
- show
cable
modem
counters
- show
cable
modem
cpe
- show
cable
modem
errors
- show
cable
modem
flap
- show
cable
modem
mac
- show
cable
modem
maintenance
- show
cable
modem
offline
- show
cable
modem
phy
- show
cable
modem
qos
- show
cable
modem
registered
- show
cable
modem
rogue
- show
cable
modem
unregistered
- show
interface
cable
modem
- show
interface
cable
sid
|
|
12.2(33)SCA
|
The
following existing cable features support the IPv6 protocol stack without any
other modification to the configuration of the cable feature on the Cisco CMTS
routers:
-
Baseline Privacy Plus (BPI+)
-
Cable Monitor (Except cable monitoring based on IPv6 ACL)
-
Cable Transport LAN Service (TLS)
- CM
configuration files
- DHCP
Relay Agent option for DOCSIS 3.0, Annex J (See also
DHCPv6 Restrictions for IPv6 on Cable)
|
IPv6
on
Cable
|
12.2(33)SCA
|
- DMIC
(except configuration file generation for DMIC IPv6 CMs)
-
Dynamic Channel Change (DCC)
-
DOCSIS Dynamic Service Addition (DSA) and Dynamic Service Change (DSC)
operations
-
DOCSIS load balancing (except load balancing with HCCP)
- Flap
list
- IPv6
L2VPN
-
Spectrum management
-
Virtual bundles (See the
Configuring the Cable Virtual Bundle Interface)
|
IPv6 Access Services
|
IPv6
Access Services: DHCP for IPv6 Relay Agent
|
12.2(33)SCA
|
A DHCP
relay agent, which may reside on the client's link, is used to relay messages
between the client and server.
Platform-Independent
Cisco IOS Software Documentation
The “
http://www.cisco.com/en/US/docs/ios/ipv6/configuration/guide/ip6-dhcp.html ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature.
|
IPv6
Access Services: Source Verification
|
12.2(33)SCA
|
Enabling IPv6 source verification on a cable line card interface allows the
source verification routine to verify the MAC address-MD-SID-IP binding of the
packet. If the source verification succeeds, the packet is forwarded. If the
verification fails, then the packet is dropped.
Platform-Specific
Documentation for the Cisco CMTS Routers
For
information about configuring IPv6 source verification, see the
Configuring IPv6 Source Verification.
|
IPv6
Access Services: Stateless DHCPv6
|
12.2(33)SCA
|
Stateless DHCP for IPv6 allows DHCP for IPv6 to be used for configuring a node
with parameters that do not require a server to maintain any dynamic state for
the node.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing DHCP for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6 Basic
Connectivity
|
Syslog
over IPv6
|
12.2(33)SCA
|
The
Cisco IOS syslog process in IPv6 allows users to log syslog messages to
external syslog servers and hosts with IPv6 addresses.
Platform-Independent
Cisco IOS Software Documentation
The
Simplified IPv6 Packet
Header section of the “
Implementing IPv6
Addressing and Basic Connectivity
” chapter and the
Configuring Syslog over IPv6 section of the “
Implementing IPv6 for
Network Management ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature.
|
IPv6
Unicast
|
12.2(33)SCA
|
An IPv6
unicast address is an identifier for a single interface, on a single node.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Unicast Reverse Path Forwarding (uRPF)
|
12.2(33)SCA
|
The
Unicast RPF feature mitigates problems caused by malformed or forged (spoofed)
IPv6 source addresses that pass through an IPv6 router. Malformed or forged
source addresses can indicate denial-of-service (DoS) attacks based on source
IPv6 address spoofing.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6 Cable Filter Groups
|
IPv6
Cable Filter Groups: IPv6 Filter Classifiers for CM and CPE traffic
|
12.2(33)SCA
|
The
IPv6 cable filter group feature support of the packet filtering portion of the
DOCSIS Subscriber Management MIB (DOCS-SUBMGMT-MIB) using configuration
commands on the CMTS routers. This IPv6 cable filter group support extends
filter classifiers with IPv6 addressing options for CM and CPE traffic, but is
independent of DOCSIS IPv6 classifiers which are used to match packets to
service flows.
Platform-Specific
Documentation for the Cisco CMTS Routers
For
information about configuring IPv6 cable filter groups, see the
Configuring IPv6 Cable Filter Groups.
|
IPv6 Data Link Layer
|
IPv6
Data Link: Ethernet, Fast Ethernet, Gigabit Ethernet, 10-Gigabit Ethernet
|
12.2(33)SCA
|
In IPv6
networks, a data link is a network sharing a particular link-local prefix.
Ethernet, Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet are data
links supported for IPv6.
Platform-Independent
Cisco IOS Software Documentation
The
following section of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature:
|
IPv6
Data Link: VLANs Using IEEE 802.1q Encapsulation
|
12.2(33)SCA
|
In IPv6
networks, a data link is a network sharing a particular link-local prefix.
VLANs using IEEE 802.1Q encapsulation is a type of data link supported for
IPv6.
Platform-Independent
Cisco IOS Software Documentation
The “IPv6 Data Links”
section of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
|
IPv6 ICMPv6
|
ICMPv6
|
12.2(33)SCA
|
ICMP
for IPv6 generates error messages, such as ICMP destination unreachable
messages, and informational messages, such as ICMP echo request and reply
messages. Additionally, ICMP packets in IPv6 are used in the IPv6 neighbor
discovery process, path MTU discovery, and the MLD protocol for IPv6.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
ICMPv6
Redirect
|
12.2(33)SCA
|
A value
of 137 in the Type field of the ICMP packet header identifies an IPv6 neighbor
redirect message. Routers send neighbor redirect messages to inform hosts of
better first-hop nodes on the path to a destination.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6 Multicast
|
IPv6
Multicast
|
12.2(33)SCA
|
An IPv6
multicast address is an identifier for a set of interfaces that typically
belong to different nodes.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about the supported IPv6
multicast features on the Cisco CMTS routers:
|
IPv6
Multicast: MLD Access Group
|
12.2(33)SCA
|
The MLD
access group provides receiver access control in Cisco IOS IPv6 multicast
routers.
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Multicast: MLD Group Limits
|
12.2(33)SCA
|
The MLD
group limits feature provides protection against denial of service (DoS)
attacks caused by MLD packets.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Multicast: PIM Sparse Mode (PIM-SM)
|
12.2(33)SCA
|
PIM-SM
uses unicast routing to provide reverse-path information for multicast tree
building. PIM-SM is used in a multicast network when relatively few routers are
involved in each multicast and these routers do not forward multicast packets
for a group, unless there is an explicit request for the traffic.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Multicast: PIM Source Specific Multicast (PIM-SSM)
|
12.2(33)SCA
|
PIM-SSM
supports the implementation of SSM and is derived from PIM-SM. The SSM feature
forwards datagram traffic to receivers from only those multicast sources that
the receivers have explicitly joined, optimizing bandwidth utilization and
denying unwanted Internet broadcast traffic.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Multicast: Scope Boundaries
|
12.2(33)SCA
|
IPv6
includes support for global and nonglobal addresses.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Multicast: Static Multicast Routing (Mroute)
|
12.2(33)SCA
|
IPv6
static mroutes share the same database as IPv6 static routes and are
implemented by extending static route support.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Multicast ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6 Neighbor Discovery
|
IPv6
Neighbor Discovery
|
12.2(33)SCA
|
The
IPv6 neighbor discovery process uses ICMP messages and solicited-node multicast
addresses to determine the link-layer address of a neighbor on the same network
(local link), verify the reachability of a neighbor, and track neighboring
routers.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Neighbor Discovery Duplicate Address Detection
|
12.2(33)SCA
|
IPv6
neighbor discovery duplicate address detection is performed first on a new,
link-local IPv6 address before the address is assigned to an interface (the new
address remains in a tentative state while duplicate address detection is
performed).
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Neighbor Discovery Static Cache Entry
|
12.2(33)SCA
|
The
IPv6 static cache entry for neighbor discovery feature allows static entries to
be made in the IPv6 neighbor cache.
Platform-Independent
Cisco IOS Software Documentation
The
following section of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature:
|
IPv6 Routing
|
IPv6
Routing: IS-IS Support for IPv6
|
12.2(33)SCA
|
IPv6
enhancements to IS-IS allow IS-IS to advertise IPv6 prefixes in addition to
IPv4 and OSI routes.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IS-IS for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: IS-IS Multitopology Support for IPv6
|
12.2(33)SCA
|
IS-IS
multitopology support for IPv6 allows IS-IS to maintain a set of independent
topologies within a single area or domain.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IS-IS for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: Multiprotocol BGP Extensions for IPv6
|
12.2(33)SCA
|
Multiprotocol BGP extensions for IPv6 supports the same features and
functionality as IPv4 BGP.
Platform-Independent
Cisco IOS Software Documentation
The following sections of
the “ Implementing Multiprotocol BGP for IPv6” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: Multiprotocol BGP Link-local Address Peering
|
12.2(33)SCA
|
IPv6 on
Cable supports multiprotocol BGP link-local address peering.
Platform-Independent
Cisco IOS Software Documentation
The following sections of
the “ Implementing Multiprotocol BGP for IPv6” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: OSPF for IPv6 (OSPFv3)
|
12.2(33)SCA
|
OSPF
version 3 for IPv6 expands on OSPF version 2 to provide support for IPv6
routing prefixes and the larger size of IPv6 addresses.
Platform-Independent
Cisco IOS Software Documentation
The “
Implementing OSPF for
IPv6”
chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
|
IPv6
Routing: OSPF for IPv6 Authentication Support with IPSec
|
12.2(33)SCA
|
OSPF
for IPv6 uses the IPSec secure socket API to add authentication to OSPF for
IPv6 packets.
Note
| In
Cisco IOS Release 12.2(33)SCA, the Cisco CMTS routers do not support OSPF with
IPv6 multicast routing.
|
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing OSPF for
IPv6”
chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: RIP for IPv6 (RIPng)
|
12.2(33)SCA
|
RIP
enhancements for IPv6 include support for IPv6 addresses and prefixes, and the
use of the all-RIP-routers multicast group address FF02::9 as the destination
address for RIP update messages.
Platform-Independent
Cisco IOS Software Documentation
The “
Implementing RIP for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
|
IPv6
Routing: Route Redistribution for RIPng
|
12.2(33)SCA
|
Routes
may be specified by prefix, using a route-map prefix list, or by tag, using the
route-map "match tag" function.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing RIP for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: Route Redistribution for IS-IS
|
12.2(33)SCA
|
IS-IS
for IPv6 supports redistributing routes into an IPv6 IS-IS routing process and
redistributing IPv6 IS-IS routes between IS-IS levels.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IS-IS for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Routing: Static Routes
|
12.2(33)SCA
|
Static
routes are manually configured and define an explicit path between two
networking devices.
Platform-Independent
Cisco IOS Software Documentation
The “
Implementing Static
Routes for IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
|
IPv6 Services and
Management
|
IPv6
Services: AAAA DNS Lookups over an IPv4 Transport
|
12.2(33)SCA
|
IPv6
basic connectivity can be enhanced by configuring support for AAAA record types
in the DNS name-to-address and address-to-name lookup processes.
Platform-Independent
Cisco IOS Software Documentation
The “
DNS for IPv6 ”
section of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
|
IPv6
Services: Cisco Discovery Protocol—IPv6 Address Family Support for Neighbor
Information
|
12.2(33)SCA
|
The
Cisco Discovery Protocol IPv6 address support for neighbor information feature
adds the ability to transfer IPv6 addressing information between two Cisco
devices.
Platform-Independent
Cisco IOS Software Documentation
The “
Cisco Discovery Protocol
IPv6 Address Support ” section of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
|
IPv6
Services: CISCO-IP-FORWARD-MIB
|
12.2(33)SCA
|
A MIB
is a database of the objects that can be managed on a device. The managed
objects, or variables, can be set or read to provide information on the network
devices and interfaces.
Platform-Independent
Cisco IOS Software Documentation
The “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature.
|
IPv6
Services: CISCO-IP-MIB Support
|
12.2(33)SCA
|
A MIB
is a database of the objects that can be managed on a device. The managed
objects, or variables, can be set or read to provide information on the network
devices and interfaces.
Platform-Independent
Cisco IOS Software Documentation
The “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature.
|
IPv6
Services: DNS Lookups over an IPv6 Transport
|
12.2(33)SCA
|
IPv6
supports DNS record types that are supported in the DNS name-to-address and
address-to-name lookup processes.
Platform-Independent
Cisco IOS Software Documentation
The “
DNS for IPv6 ”
section of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provides information about this feature.
Platform-Specific
Documentation for the Cisco CMTS Routers
For
information about configuring DNS for IPv6 on the Cisco CMTS routers, see the
Configuring IPv6 Domain Name Service.
|
IPv6
Services: IPv6 IPSec VPN
|
12.2(33)SCA
|
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPSec in
IPv6 Security ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Services: Secure Shell (SSH) Support over IPv6
|
12.2(33)SCA
|
SSH in
IPv6 functions the same and offers the same benefits as SSH in IPv4—the SSH
Server feature enables an SSH client to make a secure, encrypted connection to
a Cisco router and the SSH Client feature enables a Cisco router to make a
secure, encrypted connection to another Cisco router or to any other device
running an SSH server.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6 for
Network Management ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Services: SNMP over IPv6
|
12.2(33)SCA
|
SNMP
can be configured over IPv6 transport so that an IPv6 host can perform SNMP
queries and receive SNMP notifications from a device running Cisco IOS IPv6.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6 for
Network Management ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Services: Standard Access Control Lists
|
12.2(33)SCA
|
Access
lists determine what traffic is blocked and what traffic is forwarded at router
interfaces and allow filtering based on source and destination addresses,
inbound and outbound to a specific interface.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing Traffic
Filters and Firewalls for IPv6 Security ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6 Switching
|
IPv6
Switching: CEF/dCEF Support
|
12.2(33)SCA
|
Cisco
Express Forwarding for IPv6 is advanced, Layer 3 IP switching technology for
the forwarding of IPv6 packets. Distributed Cisco Express Forwarding for IPv6
performs the same functions as CEFv6 but for distributed architecture
platforms.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing IPv6
Addressing and Basic Connectivity ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
Platform-Specific
Documentation for the Cisco CMTS Routers
For
information about configuring IPv6 switching on the Cisco CMTS routers, see the
Configuring DHCPv6 Relay Agent.
|
IPv6 Tunneling
|
IPv6
Tunneling: Manually Configured IPv6 over IPv4 Tunnels
|
12.2(33)SCA
|
A
manually configured tunnel is equivalent to a permanent link between two IPv6
domains over an IPv4 backbone.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing Tunneling
for IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Tunneling: IPv6 over IPv4 GRE Tunnels
|
12.2(33)SCA
|
GRE
tunnels are links between two points, with a separate tunnel for each link. The
tunnels are not tied to a specific passenger or transport protocol, but in this
case carry IPv6 as the passenger protocol with the GRE as the carrier protocol
and IPv4 or IPv6 as the transport protocol.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing Tunneling
for IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Library provide information about this feature:
|
IPv6
Tunneling: IPv4 over IPv6 Tunnels
|
12.2(33)SCA
|
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing Tunneling
for IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Guide provide information about this feature:
|
IPv6
Dual Stack CPE Support on the CMTS
|
12.2(33)SCC
|
Cisco
IOS Release 12.2(33)SCC introduced this feature on the Cisco CMTS routers.
The
following sections provide information about this feature:
|
IPv6
over Subinterfaces
|
12.2(33)SCC
|
Cisco
IOS Release 12.2(33)SCC introduced this feature on the Cisco CMTS routers.
The
following sections provide information about this feature:
|
IPv6 ND
Gleaning
|
12.2(33)SCC
|
The
IPv6 ND Gleaning feature enables Cisco CMTS routers to automatically recover
lost IPv6 CPE addresses. This feature is configured by default on routers.
The
cable
nd command was introduced to support this feature.
The
following sections provide information about this feature:
|
IPv6
Support on Multiple Subinterfaces
|
12.2(33)SCB10
|
Starting with Cisco IOS Release 12.2(33)SCB10, IPv6 commands are supported on
multiple CMTS bundle subinterfaces.
|
IPv6 HA
|
12.2(33)SCE
|
Cisco
IOS Release 12.2(33)SCE introduced this feature on the Cisco CMTS routers.
|
IPv6
Access Services: DHCPv6 Prefix Delegation
|
12.2(33)SCE3
|
The
DHCP for IPv6 prefix delegation feature can be used to manage link, subnet, and
site addressing changes. DHCP for IPv6 can be used in environments to deliver
stateful and stateless information.
Platform-Independent
Cisco IOS Software Documentation
The
following sections of the “
Implementing DHCP for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Guide
provide information about this feature:
|
IPv6:
6PE & 6VPE
|
12.2(33)SCF
|
The
Multiprotocol Label Switching (MPLS) virtual private network (VPN) feature
represents an implementation of the provider edge (PE)-based VPN model. The
6VPE feature allows Service Providers to provide an IPv6 VPN service that does
not require an upgrade or reconfiguration of the PE routers in the IPv4 MPLS
core.
The
following sections provide information about this feature:
|
IPv6
CPE Router Support on the Cisco CMTS
|
12.2(33)SCF
|
The
IPv6 CPE router is a node for home or small office use that connects the
end-user network to a service provider network.
The
following section provides information about this feature:
The
following commands were introduced or modified:
- show
ipv6 route
- show
ipv6
cef
platform
|
Support
for IPv6 Prefix Stability on the Cisco CMTS
|
12.2(33)SCF1
|
The
IPv6 prefix stability on the Cisco CMTS allows an IPv6 home router to move from
one Cisco CMTS to another while retaining the same prefix.
The
following section provides information about this feature:
|
Unitary
DHCPv6 Leasequery protocol (RFC 5007)
|
12.2(33)SCF1
|
Added
support for RFC 5007 compliant DHCPv6 leasequery protocol.
The
following commands were introduced or modified:
cable
ipv6 source-verify, cable ipv6 source-verify leasequery-filter downstream, show
cable leasequery-filter, and debug cable ipv6 lq.
|
Configurable DHCPv6 Relay Address
|
12.2(33)SCE5
|
The
Cisco CMTS router supports the DHCPv6 relay agent to send relay-forward
messages from a specific source address to client relay destinations.
The
following sections provide information about this feature:
Platform-Specific
Documentation for the Cisco CMTS Routers
The
ipv6 dhcp relay destination command was modified for this feature.
Platform-Independent
Cisco IOS Software Documentation
The
following section of the “
Implementing DHCP for
IPv6 ” chapter of the
Cisco
IOS IPv6 Configuration Guide provides more information about this feature.
|
DHCPv6
with Full 6VPE Support
|
12.2(33)SCF4
|
Starting with Cisco IOS Release 12.2(33)SCF4, the following capabilities are
supported by IPv6 on the Cisco CMTS routers:
-
Assignment of different prefixes to CM and CPE
-
DHCPv6 over MPLS-VPN
-
DHCPv6 relay Prefix Delegation (PD) VRF awareness
The
following commands were modified:
- clear
ipv6
dhcp
relay
binding
- show
ipv6
dhcp
relay
binding
Platform-Independent
Cisco IOS Software Documentation
For
more information on the modified commands, see
Cisco IOS IPv6 Command
Reference .
|
IPv6
Address Packet Intercept
|
12.2(33)SCG
|
The IPv6
Address Packet Intercept feature supports lawful intercept of CMs and CPEs
provisioned with IPv6 addresses.
The
following sections provide information about this feature:
|
Multiple IAPDs in a Single Advertise
|
12.2(33)SCG1
|
The
Multiple IAPDs in a Single Advertise feature supports assignment of multiple
IA_NAs and IAPDs for a CPE in a single advertise.
The
output of the
show
cable
modem
ipv6 command was modified to support this feature.
The
following sections provide more information about this feature:
|