Cisco Catalyst 3750 Software Configuration Guide

Contents
xiv
Catalyst 3750 Metro Switch Software Configuration Guide
78-15870-01
Configuring a Secondary Root Switch 15-16
Configuring Port Priority 15-17
Configuring Path Cost 15-18
Configuring the Switch Priority 15-19
Configuring the Hello Time 15-19
Configuring the Forwarding-Delay Time 15-20
Configuring the Maximum-Aging Time 15-21
Configuring the Maximum-Hop Count 15-21
Specifying the Link Type to Ensure Rapid Transitions 15-22
Restarting the Protocol Migration Process 15-22
Displaying the MST Configuration and Status 15-23
CHAPTER 16 Configuring Optional Spanning-Tree Features 16-1
Understanding Optional Spanning-Tree Features 16-1
Understanding Port Fast 16-2
Understanding BPDU Guard 16-3
Understanding BPDU Filtering 16-3
Understanding UplinkFast 16-4
Understanding BackboneFast 16-5
Understanding Root Guard 16-7
Understanding Loop Guard 16-8
Configuring Optional Spanning-Tree Features 16-9
Default Optional Spanning-Tree Configuration 16-9
Optional Spanning-Tree Configuration Guidelines 16-9
Enabling Port Fast 16-10
Enabling BPDU Guard 16-11
Enabling BPDU Filtering 16-12
Enabling UplinkFast for Use with Redundant Links 16-13
Enabling BackboneFast 16-14
Enabling Root Guard 16-14
Enabling Loop Guard 16-15
Displaying the Spanning-Tree Status 16-16
CHAPTER 17 Configuring IGMP Snooping and MVR 17-1
Understanding IGMP Snooping 17-2
Joining a Multicast Group 17-2
Leaving a Multicast Group 17-4
Immediate-Leave Processing 17-5

Cisco Catalyst 3750 Specifications

General

Device Type	Switch
Switching Capacity	32 Gbps
Forwarding Rate	38.7 Mpps
Stacking Bandwidth	32 Gbps
RAM	128 MB
Jumbo Frame Support	Yes
Switch Type	Managed
Model	Catalyst 3750 Series
Uplink Interfaces	SFP
Form Factor	Rack-mountable
MAC Address Table Size	12, 000 entries
Routing Protocol	RIP, OSPF, EIGRP
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Layer 3 switching, Layer 2 switching, auto-negotiation, BOOTP support, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, MAC address filtering, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Dynamic ARP Inspection (DAI), Cisco EnergyWise technology
Power over Ethernet (PoE)	PoE
Operating Temperature	-5 - 45 °C
Operating Humidity	10% to 85% non-condensing