Juniper Networks EX2500 Uživatelský manuál stáhnout pdf (Strana 64)

EX2500 Ethernet Switch Configuration Guide

50  Link Aggregation Control Protocol

We recommend that you use the default long timeout to reduce LAPDU processing.

If the CPU utilization rate of your switch remains at 100% for periods of 90 seconds

or more, consider using static trunks instead of LACP. However, if CPU use is low,

you can set the LACP timeout value on the switch to

short (3 seconds), instead.

ex2500(config-if)# lacp timeout short

ex2500(config-if)# exit

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 101 102

Configuration Guide 1
Table of Contents 3
Part 2 Appendixes 6
Part 3 Indexes 6
List of Figures 7
List of Tables 10
About This Guide 11
Documentation Conventions 12
Documentation Feedback 13
Requesting Technical Support 13
Opening a Case with JTAC 14
Accessing the Switch 17
Using Telnet 19
Using SNMP 21
SNMPv1, SNMPv2 21
Default Configuration 22
User Configuration 22
Configuring SNMP Trap Hosts 23
Securing Access to the Switch 24
Switch User Accounts 27
TACACS+ Authentication 28
Secure Shell 31
End User Access Control 32
User Access Control 33
Listing Current Users 34
Chapter 2 35
VLAN Numbers 36
PVID Numbers 36
VLAN Tagging 37
24  VLAN Tagging 38
VLAN Tagging  25 39
Chapter 2: VLANs 39
VLAN Configuration Rules 40
Component Description 41
Private VLANs 43
Private VLAN Ports 43
Spanning Tree Protocol 45
Bridge Priority 46
Port Priority 47
Port Path Cost 47
Creating a VLAN 48
Rules for VLAN Tagged Ports 48
Rapid Spanning Tree Protocol 49
Port State Changes 49
Port Type and Link Type 50
RSTP Configuration Guidelines 50
RSTP Configuration Example 50
Per VLAN Rapid Spanning Tree 51
Configuring PVRST 52
MSTP Region 53
Common Internal Spanning Tree 53
MSTP Configuration Guidelines 53
Fast Uplink Convergence 55
Configuration Guidelines 56
Ports and Trunking 57
Built-In Fault Tolerance 58
TRUNK 3: PORTS 2, 9, AND 16 59
TRUNK 1: PORTS 1, 11, AND 18 59
Chapter 4: Ports and Trunking 61
Actor Switch Partner Switch 1 62
LACP Configuration Guidelines 63
Configuring LACP 63
(3 seconds), instead 64
Quality of Service 65
Permit/Deny 66
MAC Extended ACLs 67
IP Standard ACLs 67
IP Extended ACLs 68
Understanding ACL Priority 69
Assigning ACLs to a Port 70
Viewing ACL Statistics 70
ACL Configuration Examples 70
Using ACL Filters  57 71
Chapter 5: Quality of Service 71
Using ACL Filters 72
Using Storm Control Filters 73
Broadcast Storms 73
Configuring Storm Control 73
Per Hop Behavior 75
QoS Levels 76
DSCP Mapping 76
Priority 77
VLAN Identifier (VID) 77
Queuing and Scheduling 78
Remote Monitoring 79
RMON Group 1—Statistics 80
RMON Group 2—History 81
History MIB Object ID 81
Configuring RMON History 81
RMON Group 3—Alarms 82
Alarm MIB Objects 82
Configuring RMON Alarms 82
RMON Group 9—Events 83
70  RMON Group 9—Events 84
Chapter 7 85
FastLeave 86
IGMPv3 Snooping 87
Static Multicast Router 88
Detection 89
Failure Detection Pair 90
UFD Configuration Guidelines 90
UFD Configuration Example 91
Monitoring UFD 91
78  Monitoring UFD 92
Appendixes 93
80  Appendixes 94
Appendix A 95
Configuring Port Mirroring 96
Index on page 85 97
84  Indexes 98
Index  85 99
86  Index 100
Index  87 101
88  Index 102

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