Juniper JUNOS 10.1 - S 5-13-2010 Manuale di istruzioni

Juniper Networks® JUNOS® 10.1 Software

Release Notes

Release 10.1R2

13 May 2010

Revision 1

These release notes accompany Release 10.1R2 of the JUNOS Software. They describe

device documentation and known problems with the software. JUNOS Software runs

on all Juniper Networks M Series, MX Series, and T Series routing platforms, SRX

Series Services Gateways, J Series Services Routers, and EX Series Ethernet Switches.

You can also find these release notes on the Juniper Networks JUNOS Software

Documentation Web page, which is located at

http://www.juniper.net/techpubs/software/junos.

Contents JUNOS Software Release Notes for Juniper Networks M Series Multiservice

Edge Routers, MX Series Ethernet Service Routers, and T Series Core

Routers .....................................................................................................6

New Features in JUNOS Release 10.1 for M Series, MX Series, and T

Series Routers ....................................................................................6

Class of Service ..................................................................................6

High Availability ...............................................................................12

Interfaces and Chassis ......................................................................12

JUNOS XML API and Scripting ..........................................................18

MPLS Applications ............................................................................21

Multiplay ..........................................................................................22

Routing Policy and Firewall Filters ....................................................23

Routing Protocols .............................................................................24

Services Applications ........................................................................27

Subscriber Access Management .......................................................27

System Logging ................................................................................36

■1

User Interface and Configuration ......................................................38

Changes in Default Behavior and Syntax in JUNOS Release 10.1 for M

Series, MX Series, and T Series Routers ............................................42

Class of Service ................................................................................42

Forwarding and Sampling ................................................................42

Interfaces and Chassis ......................................................................42

Layer 2 Ethernet Services .................................................................46

MPLS Applications ............................................................................46

Multiplay ..........................................................................................47

Routing Policy and Firewall Filters ....................................................47

Routing Protocols .............................................................................47

Services Applications ........................................................................48

Subscriber Access Management .......................................................50

User Interface and Configuration ......................................................51

VPNs ................................................................................................52

Issues in JUNOS Release 10.1 for M Series, MX Series, and T Series

Routers .............................................................................................54

Current Software Release .................................................................54

Previous Releases .............................................................................73

Errata and Changes in Documentation for JUNOS Software Release 10.1

for M Series, MX Series, and T Series Routers ..................................86

Changes to the JUNOS Documentation Set .......................................86

Errata ...............................................................................................86

Upgrade and Downgrade Instructions for JUNOS Release 10.1 for M

Series, MX Series, and T Series Routers ............................................89

Basic Procedure for Upgrading to Release 10.1 ................................90

Upgrading a Router with Redundant Routing Engines ......................92

Upgrading Juniper Routers Running Draft-Rosen Multicast VPN to

JUNOS Release 10.1 ...................................................................92

Upgrading the Software for a Routing Matrix ...................................94

Upgrading Using ISSU .......................................................................95

Upgrading from JUNOS Release 9.2 or Earlier on a Router Enabled

for Both PIM and NSR ................................................................95

Downgrade from Release 10.1 .........................................................96

JUNOS Software Release Notes for Juniper Networks SRX Series Services

Gateways and J Series Services Routers ..................................................98

New Features in JUNOS Release 10.1 for SRX Series Services Gateways

and J Series Services Routers ............................................................98

Software Features .............................................................................99

Hardware Features .........................................................................117

Changes In Default Behavior and Syntax in JUNOS Release 10.1 for SRX

Series Services Gateways and J Series Services Routers ..................117

Application Layer Gateways (ALGs) ................................................118

Chassis Cluster ...............................................................................118

Command-Line Interface (CLI) ........................................................119

Configuration .................................................................................122

Flow and Processing .......................................................................123

Interfaces and Routing ...................................................................124

Intrusion Detection and Prevention (IDP) .......................................124

J-Web .............................................................................................125

Management and Administration ...................................................125

2■

JUNOS 10.1 Software Release Notes

Security ..........................................................................................126

Known Limitations in JUNOS Release 10.1 for SRX Series Services

Gateways and J Series Services Routers ..........................................126

[accounting-options] Hierarchy ......................................................126

AX411 Access Point .......................................................................126

Chassis Cluster ...............................................................................126

Command-Line Interface (CLI) ........................................................128

Dynamic VPN .................................................................................128

Flow and Processing .......................................................................129

Hardware .......................................................................................129

Interfaces and Routing ...................................................................130

Intrusion Detection and Prevention (IDP) .......................................133

J-Web .............................................................................................134

NetScreen-Remote ..........................................................................135

Network Address Translation (NAT) ................................................135

Performance ..................................................................................136

SNMP .............................................................................................136

System ...........................................................................................136

Unified Threat Management (UTM) ................................................136

VPNs ..............................................................................................136

WLAN .............................................................................................136

Issues in JUNOS Release 10.1 for SRX Series Services Gateways and J

Series Services Routers ...................................................................137

Outstanding Issues In JUNOS Release 10.1 for SRX Series Services

Gateways and J Series Services Routers ...................................137

Resolved Issues in JUNOS Release 10.1 for SRX Series Services

Gateways and J Series Services Routers ...................................158

Errata and Changes in Documentation for JUNOS Release 10.1 for SRX

Series Services Gateways and J Series Services Routers ..................163

Application Layer Gateways (ALGs) ................................................163

Attack Detection and Prevention ....................................................163

CLI Reference .................................................................................164

Command-Line Interface (CLI) ........................................................164

CompactFlash Card Support ...........................................................164

Flow and Processing .......................................................................164

Hardware Documentation ..............................................................165

Installing Software Packages ..........................................................166

Integrated Convergence Services ....................................................167

Interfaces and Routing ...................................................................167

Intrusion Detection and Prevention (IDP) .......................................168

J-Web .............................................................................................170

Screens ...........................................................................................170

Hardware Requirements for JUNOS Release 10.1 for SRX Series Services

Gateways and J Series Services Routers ..........................................170

Transceiver Compatibility for SRX Series and J Series Devices .......171

Power and Heat Dissipation Requirements for J Series PIMs ..........171

Supported Third-Party Hardware for J Series Services Routers .......171

J Series CompactFlash and Memory Requirements ........................172

Dual-Root Partitioning Scheme Documentation for SRX Series Services

Gateways ........................................................................................173

Dual-Root Partitioning Scheme .......................................................173

■3

Maximizing ALG Sessions .....................................................................181

Using Dual Chassis Cluster Control Links: Upgrade Instructions for the

Second Routing Engine ..................................................................182

Upgrade and Downgrade Instructions for JUNOS Release 10.1 for SRX

Series Services Gateways and J Series Services Routers ..................183

JUNOS Software Release Notes for EX Series Switches ................................184

New Features in JUNOS Release 10.1 for EX Series Switches ................184

Hardware .......................................................................................184

Access Control and Port Security ....................................................185

Bridging, VLANs, and Spanning Trees ............................................185

Class of Service (CoS) .....................................................................186

Infrastructure .................................................................................186

Interfaces .......................................................................................186

Layer 2 and Layer 3 Protocols ........................................................186

Management and RMON ................................................................186

MPLS ..............................................................................................187

Packet Filters ..................................................................................187

Changes in Default Behavior and Syntax in JUNOS Release 10.1 for EX

Series Switches ...............................................................................187

Layer 2 and Layer 3 Protocols ........................................................188

Infrastructure .................................................................................188

User Interface and Configuration ....................................................188

Limitations in JUNOS Release 10.1 for EX Series Switches ....................188

Access Control and Security ...........................................................189

Class of Service ..............................................................................189

Firewall Filters ................................................................................189

Infrastructure .................................................................................189

Interfaces .......................................................................................190

Outstanding Issues in JUNOS Release 10.1 for EX Series Switches ........191

Access Control and Port Security ....................................................191

Bridging, VLANs, and Spanning Trees ............................................191

Class of Service ..............................................................................192

Firewall Filters ................................................................................192

Infrastructure .................................................................................192

Interfaces .......................................................................................193

J-Web Interface ...............................................................................193

Resolved Issues in JUNOS Release 10.1 for EX Series Switches .............194

Access Control and Port Security ....................................................194

Bridging, VLANs, and Spanning Trees ............................................194

Class of Service ..............................................................................195

Firewall Filters ................................................................................195

Hardware .......................................................................................196

Infrastructure .................................................................................196

J-Web Interface ...............................................................................197

Errata in Documentation for JUNOS Release 10.1 for EX Series

Switches .........................................................................................198

4■

JUNOS 10.1 Software Release Notes

Upgrade and Downgrade Issues for JUNOS Release 10.1 for EX Series

Switches .........................................................................................198

Upgrading or Downgrading from JUNOS Release 9.4R1 for EX Series

Switches ..................................................................................198

Upgrading from JUNOS Release 9.3R1 to Release 10.1 for EX Series

Switches ..................................................................................199

Upgrading from JUNOS Release 9.2 to Release 10.1 for EX Series

Switches ..................................................................................199

Downgrading from JUNOS Release 10.1 to Release 9.2 for EX4200

Switches ..................................................................................200

JUNOS Documentation and Release Notes ..................................................202

Documentation Feedback ............................................................................202

Requesting Technical Support .....................................................................202

Revision History ..........................................................................................204

■5

JUNOS Software Release Notes for Juniper Networks M Series Multiservice Edge

Routers, MX Series Ethernet Service Routers, and T Series Core Routers

■New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series

Routers on page 6

■Changes in Default Behavior and Syntax in JUNOS Release 10.1 for M Series,

MX Series, and T Series Routers on page 42

■Issues in JUNOS Release 10.1 for M Series, MX Series, and T Series

Routers on page 54

■Errata and Changes in Documentation for JUNOS Software Release 10.1 for M

Series, MX Series, and T Series Routers on page 86

■Upgrade and Downgrade Instructions for JUNOS Release 10.1 for M Series, MX

Series, and T Series Routers on page 89

New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers

The following features have been added to JUNOS Release 10.1. Following the

description is the title of the manual or manuals to consult for further information.

Class of Service

■Intelligent oversubscription service support (MX Series routers with Trio

MPC/MIC interfaces)—Arriving packets are assigned to one of two traffic classes

(control and best-effort) based on their header types and destination MAC address.

This allows for lower priority packets to be dropped more intelligently when

oversubscription occurs. Only packets mapped to queue 3 are marked as control

packets. Protocols such as telnet, FTP, and SSH that are mapped to queue 0 are

classified as best-effort. No configuration is necessary, but the queue assignments

can be altered with a multifield classifier.

[Class of Service]

■CoS aspects of the MPC/MIC (MX Series routers with Trio MPC/MIC

interfaces)—Cover all aspects of CoS configuration for this hardware combination.

Support includes shaping rates at the queue level, configurable bandwidth profiles

with percentages, dynamic bandwidth allocation among different services,

scheduler node scaling, and delay buffer allocation. To configure, include the

relevant statements at the [edit class-of-service] hierarchy level and apply them

if necessary at other hierarchy levels such as the [edit interfaces] hierarchy level.

[Class of Service, Network Interfaces]

■Per-priority shaping (MX Series platforms with Trio MPC/MIC

interfaces)—Enables you to configure a separate shaping rate for each of the

five priority levels so that higher priority services such as voice and video do not

starve lower priority services such as data. To configure, include the

shaping-rate-(excess | priority)-level rate [ burst-size burst ] statement at the [edit

class-of-service traffic-control-profiles tcp-name]hierarchy level and apply the traffic

control profile at the [edit interfaces] hierarchy level.

[Class of Service]

6■JUNOS Software Release Notes for Juniper Networks M Series Multiservice Edge Routers, MX Series Ethernet Service Routers,

and T Series Core Routers

JUNOS 10.1 Software Release Notes

■Distribute excess bandwidth among different services for a subscriber (MX

Series routers with Trio MPC/MIC interfaces)—Service providers often use

tiered services that must carry excess bandwidth as traffic patterns vary. By

default, excess bandwidth between a configured guaranteed rate and shaping

rate is shared equally among all queues, which might not be optimal for all

subscribers to a service. You can control the distribution of this excess bandwidth

with the excess-rate statement. To configure the excess rate for a traffic control

profile, include the excess-rate statement at the [edit class-of-service

traffic-control-profiles tcp-name]hierarchy level and apply the traffic control profile

at the [edit interfaces] hierarchy level. To configure the excess rate for a queue,

include the excess-rate and excess-priority statements at the [edit class-of-service

scheduler scheduler-name]hierarchy level.

[Class of Service]

■Scheduler node scaling (MX Series routers with Trio MPC/MIC interfaces)—The

hardware supports multiple levels of scheduler nodes. In per-unit-scheduling

mode, each logical interface (unit) can have four or eight queues and has a

dedicated level 3 scheduler node. The logical interfaces share a common level

2 node (one per port). In hierarchical-scheduling mode, a set of logical interfaces,

each with four or eight queues, has a level 2 CoS profile and one of its logical

interface children has a level 3 CoS profile. To better control system resources

in hierarchical-scheduling mode, you can limit the number of hierarchical levels

in the scheduling hierarchy to two. In this case, all logical interfaces and interface

sets with CoS profiles share a single (dummy) level 2 node, thereby increasing

the maximum number of logical interfaces with CoS profiles (the interface sets

must be at level 3). To configure scheduler node scaling, include the

maximum-hierarchy-levels statement at the [edit interfaces xe-fpc/pic/port

hierarchical-scheduler] hierarchy level. The only supported value is 2.

[Class of Service, Network Interfaces]

■Forwarding-class aliases (M320 and T Series routers)—Enable you to configure

up to 16 forwarding classes and 8 queues, with multiple forwarding classes

assigned to single queues. To configure, include the class and queue-num

statements at the [edit class-of-service forwarding-classes] hierarchy level.

[Class of Service]

■VLAN shaping on aggregate devices (MX Series routers with Trio MPC/MIC

interfaces)—VLAN shaping (per-unit scheduling) is supported on aggregated

Ethernet interfaces when link protection is enabled on the aggregated Ethernet

interface. When VLAN shaping is configured on aggregate Ethernet interfaces

with link protection enabled, the shaping is applied to the active child link. To

configure link protection on aggregated Ethernet interfaces, include the

link-protection statement at the [edit interfaces aexaggregated-ether-options]

hierarchy level. Traffic passes only through the designated primary link. This

includes transit traffic and locally generated traffic on the router. When the

primary link fails, traffic is routed through the backup link. You also can reverse

traffic, from the designated backup link to the designated primary link. To revert

back to sending traffic to the primary designated link when traffic is passing

through the designated backup link, use the revert command; for example, request

interfaces revert ae0. To configure a primary and a backup link, include the

primary and backup statements at the [edit interfaces ge-fpc/pic/port

gigether-options 802.3ad aex]hierarchy level or the [edit interfaces xe-fpc/pic/port

fastether-options 802.3ad aex]hierarchy level. To disable link protection, delete

New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers ■7

New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers

the link-protection statement at the [edit interfaces aexaggregated-ether-options

link-protection] hierarchy level. To display the active, primary, and backup link

for an aggregated Ethernet interface, use the operational mode command show

interfaces redundancy aex.

[Class of Service, Network Interfaces]

■Re-marking of MVPN GRE encapsulation DCSP at ASBR (MX Series routers

with Trio MPC/MIC interfaces)—Enables you to configure DSCP marking for

GRE encapsulated packets that aligns with the service provider core CoS policy

for an MVPN. To configure, include the DSCP rewrite-rule dscp dscp-rule-name

with the values at the [edit class-of-service] hierarchy level and then apply the

rewrite rule to the core-facing multicast interface at the [edit class-of-service

interfaces] hierarchy level.

[Class of Service]

■PD-5-10XGE-SFPP, 10-port 10-Gigabit Ethernet (Type 4) PIC (T640, T1600,

and TX Matrix routers with G-FPC4, ST-FPC4, and ST-FPC4.1)—Supports a

WAN bandwidth of 100 Gbps in addition to the following features:

■Intelligent handling of oversubscribed traffic

■Line rate operation on up to five 10-Gigabit Ethernet ports

■Tap features, such as flexible encapsulation, source address (SA) MAC

learning, MAC accounting, and MAC policing

■Stacked virtual LAN (VLAN) tag and VLAN rewrite functionalities

[Network Interfaces, Class of Service, PIC Guide]

■Intelligent oversubscription services (MX Series with 16-port 10-Gigabit

Ethernet MPC with SFP+)—The 16-port 10-Gigabit Ethernet Modular Port

Concentrator (MPC) is an oversubscribed configuration. Consequently, it is

necessary to protect control traffic over best-effort traffic as soon as packets

enter the line card. To do this, packets entering the line card are assigned a

preclassifier control traffic class according to the header types (such as destination

MAC addresses, and Layer 4 ports) in the packet. The preclassifier provides a

good way to classify and queue important control traffic in a different high-priority

queue from that used for best-effort traffic.

The preclassifier (control or best effort) is assigned prior to packets being accepted

into the initial stream and is used by the line card as an early designation (before

any class-of-service configuration is applied). When oversubscription occurs,

control traffic will be queued separately and should not be subject to any dropped

packets.

The Layer 2 protocols supporting the preclassifier are:

■802.1ah

■802.1g

■802.1x

■802.3ad

■ARP

8■New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers

JUNOS 10.1 Software Release Notes

■GMRP

■GVRP

■LACP

■PVST

■xSTP

The Layer 3 protocols supporting the preclassifier are:

■IGMP

■IPv4/IPv6 ICMP

■IPv4/IPv6 ISIS

■IPv4/IPv6 OSPF

■IPv4/IPv6 PIM

■IPv4 Router Alert

■IPv4/IPv6 RSVP

■IPv4/IPv6 VRRP

The Layer 4 protocols supporting the preclassifier are:

■IIPv4/ IPv6 BGP

■IPv4/ IPv6 LDP

■IPv4 UDP/L2TP

■RIP (UDP port checks)

The preclassifier is also supported on label-switching encapsulation PPP.

[Class of Service]

■Feature support on 16-port 10-Gigabit Ethernet MPC with SFP+ (MX Series

routers)—The following features are supported on the 16-port 10-Gigabit Ethernet

MPC with SFP+:

■Accepts traffic destined for GRE tunnels or DVMRP (IP-in-IP) tunnels (JUNOS

Release 10.0R2)

■Bidirectional Forwarding Detection (BFD) protocol (JUNOS Release 10.0R2)

■Border Gateway Protocol (BGP) (JUNOS Release 10.0R2)

■BGP/Multiprotocol Label Switching (MPLS) virtual private networks (VPNs)

(JUNOS Release 10.0R2)

■Distance Vector Multicast Routing Protocol (DVMRP) and generic routing

encapsulation (GRE) support, access side and server side (JUNOS Release

10.0R2)

■Firewall filters (JUNOS Release 10.0R2)

New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers ■9

New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers

■Flexible Ethernet encapsulation (JUNOS Release 10.0R2)

■Graceful Routing Engine switchover (GRES) (JUNOS Release 10.0R2)

■Ingress differentiated (JUNOS Release 10.0R2)

■Differentiated Services code point rewrite (DSCP) (JUNOS Release 10.0R2)

■Intelligent oversubscription (JUNOS Release 10.0R2)

■Integrated routing and bridging (IRB) (JUNOS Release 10.1R1)

■Intermediate System-to-Intermediate System (IS-IS) (JUNOS Release 10.0R2)

■Internet Group Management Protocol (IGMP) (excludes snooping) (JUNOS

Release 10.0R2)

■IPv4 (JUNOS Release 10.0R2)

■IP multicast (JUNOS Release 10.0R2)

■Label Distribution Protocol (LDP) (JUNOS Release 10.0R2)

■Labeled-switched path (LSP) accounting, policers, and filtering (JUNOS Release

10.0R2)

■LAN-PHY mode (JUNOS Release 10.0R2)

■Layer 2 frame filtering (JUNOS Release 10.0R2)

■IEEE 802.3ad link aggregation (JUNOS Release 10.0R2)

■Link Aggregation Control Protocol (LACP) (JUNOS Release 10.0R2)

■Local loopback (JUNOS Release 10.0R2)

■MAC learning, policing (JUNOS Release 10.0R2)

■Multiple tag protocol identifiers (TPIDs), accounting, and filtering (JUNOS

Release 10.0R2)

■Multiprotocol Label Switching (MPLS) (JUNOS Release 10.0R2)

■Nonstop active routing (NSR) (JUNOS Release 10.0R2)

■Multitopology routing (MTR) (JUNOS Release 10.0R2)

■Open Shortest Path First (OSPF) (JUNOS Release 10.0R2)

■Packet mirroring (JUNOS Release 10.0R2)

■Quality of service (QoS) per port: (JUNOS Release 10.0R2)

■Eight queues per port

■Excess-rate configuration at the traffic-control-profile level

■Excess-rate and excess-priority configuration at the queue level

■Shaping at the port level

10 ■New Features in JUNOS Release 10.1 for M Series, MX Series, and T Series Routers

JUNOS 10.1 Software Release Notes

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