User guide

10 ExtremeWare 7.2.0 Software User Guide
Contents
Port Modes 197
STPD BPDU Tunneling 197
Rapid Root Failover 198
STP Configurations 198
Basic STP Configuration 198
VLAN Spanning Multiple STPDs 200
EMISTP and PVST+ Deployment Constraints 201
Per-VLAN Spanning Tree 202
STPD VLAN Mapping 202
Native VLAN 202
Rapid Spanning Tree Protocol 202
RSTP Terms 203
RSTP Concepts 203
RSTP Operation 206
STP Rules and Restrictions 213
Configuring STP on the Switch 213
STP Configuration Examples 214
Displaying STP Settings 216
Chapter 12 IP Unicast Routing
Overview of IP Unicast Routing 219
Router Interfaces 220
Populating the Routing Table 221
Subnet-Directed Broadcast Forwarding 222
Proxy ARP 222
ARP-Incapable Devices 223
Proxy ARP Between Subnets 223
Relative Route Priorities 223
Configuring IP Unicast Routing 224
Verifying the IP Unicast Routing Configuration 225
Routing Configuration Example 225
ICMP Packet Processing 226
Configuring DHCP/BOOTP Relay 227
Configuring the DHCP Relay Agent Option (Option 82) 227
Verifying the DHCP/BOOTP Relay Configuration 228
UDP-Forwarding 229
Configuring UDP-Forwarding 229
UDP-Forwarding Example 229
UDP Echo Server 230
Chapter 13 Interior Gateway Protocols