Cisco Cisco IOS Software Releases 12.2 MC 集約されたデータ
Product Bulletin
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Cisco IOS Software Release 12.2(55)SE for Cisco Catalyst 3750
Metro Series Switches and Cisco ME 3400 and ME 3400E Series
Ethernet Access Switches
Metro Series Switches and Cisco ME 3400 and ME 3400E Series
Ethernet Access Switches
PB 614426
Cisco announces Cisco IOS
®
Software updates for Cisco
®
Catalyst
®
3750 Metro Series Switches and
Cisco ME 3400 and ME 3400E Series Ethernet Access Switches. This release advances Cisco's
leadership role by providing support for drop eligibility indicator (DEI)-based quality of service (QoS) and
split horizon in IEEE 802.1ad provider bridges frames on the ME 3400E Series, Bidirectional Forwarding
Detection (BFD) over switch virtual interface (SVI), and flexible maximum transmission unit (MTU) size
per interface for Metro Ethernet deployments.
This product bulletin contains content and delivery information for Cisco IOS Software Release 12.2(55)SE.
New Features
The following new features are available with Cisco IOS Software Release 12.2(55)SE for Metro Ethernet switches:
●
DEI-based QoS for 802.1ad provider bridges frames: Supports classification, marking, and policing of
8021.ad frames based on DEI bit.
●
Split horizon for IEEE802.1ad: Prevents mixing of traffic from different customers on a single Customer
Edge (CE) devices.
●
BFD over SVI: Allows fast Provider Edge (PE) device failure detection and switchover to redundant PE
devices when switches are deployed as Layer 3 Customer Premises Equipment (CPE).
●
Flexible MTU size per interface: Allows service providers to set the MTU on a per port basis.
Table 1 lists the product support for new features in Cisco IOS Software Release 12.2(55)SE.
Table 1.
New Feature Support
Cisco
Catalyst 3750
Metro Series:
Advanced IP
Catalyst 3750
Metro Series:
Advanced IP
Cisco
Catalyst 3750
Metro Series:
IP Services
Catalyst 3750
Metro Series:
IP Services
Cisco
Catalyst 3750
Metro Series:
IP Base
Catalyst 3750
Metro Series:
IP Base
Cisco ME
3400E Series:
Metro IP
Access
3400E Series:
Metro IP
Access
Cisco ME
3400E Series:
Metro Access
3400E Series:
Metro Access
Cisco ME
3400 Series:
Metro IP
Access
3400 Series:
Metro IP
Access
Cisco ME
3400 Series:
Metro Access
3400 Series:
Metro Access
Cisco ME
3400 Series:
Metro Base
3400 Series:
Metro Base
DEI-based
QoS for
802.1ad
frames
QoS for
802.1ad
frames
No
No
No
Yes
Yes
No
No
No
Split horizon
support for
802.1ad
support for
802.1ad
No
No
No
Yes
Yes
No
No
No
BFD over SVI Yes
Yes
Yes
Yes
No
Yes
No
No
Flexible MTU
size per
interface
size per
interface
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes