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Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 1 Broadband Aggregation and Leased-Line Overview
New Features, Enhancements, and Changes
• TCP MSS Adjust
For more information, see the “Configuring PPPoE over Ethernet and IEEE 802.1Q VLAN” chapter
in the Cisco 10000 Series Router Broadband Aggregation, Leased-Line, and MPLS Configuration
Guide, located at the following URL:
http://www.cisco.com/en/US/products/hw/routers/ps133/products_configuration_guide_book0918
6a00804d45ca.html
New Features in Cisco IOS Release 12.2(31)SB2
In Cisco IOS Release 12.2(31)SB2, support was added on the Cisco 10000 series router for the following
features and functionality:
• ACL - Template ACL/12 Bit ACE
For more information, see the “Configuring Template ACLs” section on page 25-1.
• Frame Relay - Multilink (MLFR-FRF.16)
For more information, see the following URL:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1838/products_feature_guide09186a008013
4a9e.html
• IEEE 802.1Q-in-Q VLAN Tag Termination
Support was added for the PRE3. For more information, see the following URL:
http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a00801f0
f4a.html
• IP Options Selective Drop
For more information, see the “Protecting the Router from DoS Attacks” section on page 26-1.
• IPv6 Services: Extended Access Control Lists
For more information, see the “IPv6 Extended ACLs” section on page 24-4.
• L2TP Domain Screening
For more information, see the following URL:
http://www.cisco.com/en/US/products/sw/iosswrel/ps5413/products_feature_guide09186a00805a0
782.html
• L2VPN Interworking — Ethernet to VLAN Interworking
For more information, see the “Ethernet to VLAN—Bridged Interworking” section on page 21-2.
• MLPPP - Multilink PPP
Support was added for the PRE3 and the valid multilink interface values on the PRE2 and PRE3 for
MLP over Serial and Multi-VC MLP over ATM changed from 1 to 9999 (Release 12.2(28)SB and
later) to from 1 to 9999 and 65,536 to 2,147,483,647. For more information, see the
“Configuring
Multilink Point-to-Point Protocol Connections” section on page 22-1.
• MPLS VPN-VRF Selection based on Source IP Address
For more information, see the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122limit/122sz/1221
4sz/122szvrf.htm
• Multicast VPN Extranet Support