3Com Router User Manual
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308CHAPTER 19: CONFIGURING BRIDGE
II. Networking Diagram
Figure 111 Networking of building transparent bridges between multiple Ethernet
segments
III. Configuration Procedure
1Configure Router A
[Router]bridge enable
[Router]bridge 1 stp ieee
[Router]bridge 1 learning
[Router]bridge aging-time 300
[Router]interface ethernet 0
[Router-Ethernet0]bridge-set 1
[Router-Ethernet0]bridge-set stp disable
[Router-Ethernet0]interface serial 0
[Router-Serial0]link-protocol ppp
[Router-Serial0]bridge-set 1...](http://img.usermanuals.tech/thumb/92/102800/w64_index.html@nav=null&now=get&message=Downloading&file=3012-311.png "Page 312
308CHAPTER 19: CONFIGURING BRIDGE
II. Networking Diagram
Figure 111 Networking of building transparent bridges between multiple Ethernet
segments
III. Configuration Procedure
1Configure Router A
[Router]bridge enable
[Router]bridge 1 stp ieee
[Router]bridge 1 learning
[Router]bridge aging-time 300
[Router]interface ethernet 0
[Router-Ethernet0]bridge-set 1
[Router-Ethernet0]bridge-set stp disable
[Router-Ethernet0]interface serial 0
[Router-Serial0]link-protocol ppp
[Router-Serial0]bridge-set 1...")
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Typical Bridge Configuration309
Transparent Bridging
over Frame RelayI. Networking Requirements
Two routers are directly connected via serial interfaces. Implement transparent
bridging over the Frame Relay.
II. Networking Diagram
Figure 112 Transparent bridge over the Frame Relay
III. Configuration Procedure
1Configure Router A
[Router]fr switching
[Router]bridge enable
[Router]bridge 1 stp ieee
[Router]interface serial 0
[Router-Serial0]link-protocol fr
[Router-Serial0]fr interface-type dce...](http://img.usermanuals.tech/thumb/92/102800/w64_index.html@nav=null&now=get&message=Downloading&file=3012-312.png "Page 313
Typical Bridge Configuration309
Transparent Bridging
over Frame RelayI. Networking Requirements
Two routers are directly connected via serial interfaces. Implement transparent
bridging over the Frame Relay.
II. Networking Diagram
Figure 112 Transparent bridge over the Frame Relay
III. Configuration Procedure
1Configure Router A
[Router]fr switching
[Router]bridge enable
[Router]bridge 1 stp ieee
[Router]interface serial 0
[Router-Serial0]link-protocol fr
[Router-Serial0]fr interface-type dce...")
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Typical Bridge Configuration311
Transparent Bridging for
Asynchronous Dial-in
StandbyI. Networking Requirements
Configure transparent bridging for asynchronous dial-in standby on two routers.
Thereby, transparent bridging can be implemented by enabling asynchronous
dial-in in case that the serial interfaces through which the routers are directly
connected are failed.
II. Networking Diagram
Please refer to Figure 113.
III. Configuration Procedure
1Configure Router A
[Router]bridge enable...](http://img.usermanuals.tech/thumb/92/102800/w64_index.html@nav=null&now=get&message=Downloading&file=3012-314.png "Page 315
Typical Bridge Configuration311
Transparent Bridging for
Asynchronous Dial-in
StandbyI. Networking Requirements
Configure transparent bridging for asynchronous dial-in standby on two routers.
Thereby, transparent bridging can be implemented by enabling asynchronous
dial-in in case that the serial interfaces through which the routers are directly
connected are failed.
II. Networking Diagram
Please refer to Figure 113.
III. Configuration Procedure
1Configure Router A
[Router]bridge enable...")
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312CHAPTER 19: CONFIGURING BRIDGE
Bridge-Template
interfaceI. Networking Requirements
Configure a router so that routing can be carried out on each interface in the
bridge-set.
II. Networking Diagram
Figure 114 Networking of bridge-template interface
III. Configuration Procedure
[Router]bridge enable
[Router]bridge routing-enable
[Router]bridge 1 stp ieee
[Router]interface ethernet1
[Router-Ethernet1]bridge-set 1
[Router-Ethernet1]interface ethernet2
[Router-Ethernet2]bridge-set 1...](http://img.usermanuals.tech/thumb/92/102800/w64_index.html@nav=null&now=get&message=Downloading&file=3012-315.png "Page 316
312CHAPTER 19: CONFIGURING BRIDGE
Bridge-Template
interfaceI. Networking Requirements
Configure a router so that routing can be carried out on each interface in the
bridge-set.
II. Networking Diagram
Figure 114 Networking of bridge-template interface
III. Configuration Procedure
[Router]bridge enable
[Router]bridge routing-enable
[Router]bridge 1 stp ieee
[Router]interface ethernet1
[Router-Ethernet1]bridge-set 1
[Router-Ethernet1]interface ethernet2
[Router-Ethernet2]bridge-set 1...")
Display and Debug Bridge307
Ta b l e 349 Configure bridge on VLAN
Display and Debug
BridgePerform the reset, display and debugging commands in all views.
Ta b l e 350 Display and debug bridge
Typical Bridge
Configuration
Transparent Bridging
Multiple LANsI. Networking Requirements
Suppose that there are several PCs located on the Ethernet segment LAN1 of a
buildings floor and several PCs and servers on the Ethernet segment LAN2 of
another floor of the building. It is required to build the transparent bridge
between these two LANs.
OperationCommand
Configure the bridge-set on the sub-interface
of VLANbridge-set bridge-set
OperationCommand
Clear the statistics of access list rulesreset acl counters [ acl-number ]
Clear the entries of all the bridge-sets or
specified groups in the forwarding databasereset bridge [ bridge-set ]
Clear the statistics of Spanning Treereset stp statistics
Clear the traffic statistics of bridge-set on the
interfacereset bridge traffic
Display the states of all the bridge-setsdisplay bridge-set [ bridge-set ]
Display the information in the bridge
forwarding databasedisplay bridge information
Display the state and statistics of STPdisplay bridge spanning-tree
Display the static data of bridge-set traffic on a
portdisplay bridge traffic
Display the routing and bridging configuration
on each interfacedisplay bridge bridge-set
bridge-template
Display link set configuration of the specified
bridge set.display bridgebridge-set link-set
Enable bridge-set debuggingdebugging bridge
Enable the spanning-tree protocol debuggingdebugging stp { error | event |
packet }
308CHAPTER 19: CONFIGURING BRIDGE II. Networking Diagram Figure 111 Networking of building transparent bridges between multiple Ethernet segments III. Configuration Procedure 1Configure Router A [Router]bridge enable [Router]bridge 1 stp ieee [Router]bridge 1 learning [Router]bridge aging-time 300 [Router]interface ethernet 0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set stp disable [Router-Ethernet0]interface serial 0 [Router-Serial0]link-protocol ppp [Router-Serial0]bridge-set 1 [Router-Serial0]bridge-set 1 stp disable 2Configure Router B [Router]bridge enable [Router]bridge 1 stp ieee [Router]bridge 1 learning [Router]bridge aging-time 300 [Router]interface ethernet 0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set 1 stp disable [Router-Ethernet0]interface Serial 0 [Router-Serial0]link-protocol ppp [Router-Serial0]bridge-set 1 [Router-Serial0]bridge-set 1 stp disable LAN 1 LAN 2 Router A Router B s0 s0 e0 e0
Typical Bridge Configuration309 Transparent Bridging over Frame RelayI. Networking Requirements Two routers are directly connected via serial interfaces. Implement transparent bridging over the Frame Relay. II. Networking Diagram Figure 112 Transparent bridge over the Frame Relay III. Configuration Procedure 1Configure Router A [Router]fr switching [Router]bridge enable [Router]bridge 1 stp ieee [Router]interface serial 0 [Router-Serial0]link-protocol fr [Router-Serial0]fr interface-type dce [Router-Serial0]fr dlci 50 [Router-Serial0]bridge-set 1 [Router-Serial0]fr map bridge 50 broadcast [Router-Serial0]interface ethernet 0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set 1 stp disable 2Configure Router B [Router]fr switching [Router]bridge enable [Router]bridge 1 stp ieee [Router]interface serial 0 [Router-Serial0]link-protocol fr [Router-Serial0]fr interface-type dte [Router-Serial0]fr dlci 50 [Router-Serial0]bridge-set 1 [Router-Serial0]fr map bridge 60 broadcast [Router-Serial0]interface ethernet 0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set stp disable DLCI=50 DLCI=50 Router ARouter B s0s0
310CHAPTER 19: CONFIGURING BRIDGE Transparent Bridging for Synchronous Dial-in StandbyI. Networking Requirements Configure transparent bridging for synchronous dial-in standby on two routers. Thereby, transparent bridging can be implemented by enabling synchronous dial-in in case that the serial interfaces through which the routers are directly connected are failed. II. Networking Diagram Figure 113 Networking of transparent bridging for synchronous dial-in standby III. Configuration Procedure 1Configure Router A [Router]bridge enable [Router]bridge stp timer forward-delay 4 [Router]bridge 1 stp ieee [Router]dialer-rule 1 bridge permit [Router]interface serial 1 [Router-Serial1]link-protocol ppp [Router-Serial1]dialer enable-legacy [Router-Serial1]dialer-group 1 [Router-Serial1]dialer route bridge broadcast 660074 [Router-Serial1]bridge-set 1 [Router-Serial1]interface serial 0 [Router-Serial0]standby interface Serial 1 [Router-Serial0]bridge-set 1 [Router-Serial0]interface ethernet0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set 1 stp disable 2Configure Router B [Router]bridge enable [Router]bridge stp timer forward-delay 4 [Router]bridge 1 stp ieee [Router]dialer-rule 1 bridge permit [Router]interface serial 1 [Router-Serial1]link-protocol ppp [Router-Serial1]dialer enable-legacy [Router-Serial1]dialer-group 1 [Router-Serial1]dialer number [Router-Serial1]bridge-set 1 [Router-Serial1]interface serial 0 [Router-Serial0]bridge-set 1 [Router-Serial0]interface ethernet0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set 1 stp disable PC PC PSTN s0 s1 Router ARouter Bs0s1
Typical Bridge Configuration311 Transparent Bridging for Asynchronous Dial-in StandbyI. Networking Requirements Configure transparent bridging for asynchronous dial-in standby on two routers. Thereby, transparent bridging can be implemented by enabling asynchronous dial-in in case that the serial interfaces through which the routers are directly connected are failed. II. Networking Diagram Please refer to Figure 113. III. Configuration Procedure 1Configure Router A [Router]bridge enable [Router]bridge stp timer forward-delay 4 [Router]bridge 1 stp ieee [Router]dialer-rule 1 bridge permit [Router]interface serial 1 [Router-Serial1]link-protocol ppp [Router-Serial1]physical-mode async [Router-Serial1]modem [Router-Serial1]async mode protocol [Router-Serial1]dialer enable-legacy [Router-Serial1]dialer-group 1 [Router-Serial1]dialer route bridge broadcast 660074 [Router-Serial1]bridge-set 1 [Router-Serial1]interface serial 0 [Router-Serial0]standby interface Serial 1 [Router-Serial0]bridge-set 1 [Router-Serial0]interface ethernet0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set 1 stp disable 2Configure Router B [Router]bridge enable [Router]bridge stp timer forward-delay 4 [Router]bridge 1 stp ieee [Router]dialer-rule 1 bridge permit [Router]interface serial 1 [Router-Serial1]link-protocol ppp [Router-Serial1]physical-mode async [Router-Serial1]modem [Router-Serial1]async mode protocol [Router-Serial1]dialer enable-legacy [Router-Serial1]dialer-group 1 [Router-Serial1]dialer number [Router-Serial1]bridge-set 1 [Router-Serial1]interface serial 0 [Router-Serial0]bridge-set 1 [Router-Serial0]interface ethernet0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]bridge-set 1 stp disable
312CHAPTER 19: CONFIGURING BRIDGE Bridge-Template interfaceI. Networking Requirements Configure a router so that routing can be carried out on each interface in the bridge-set. II. Networking Diagram Figure 114 Networking of bridge-template interface III. Configuration Procedure [Router]bridge enable [Router]bridge routing-enable [Router]bridge 1 stp ieee [Router]interface ethernet1 [Router-Ethernet1]bridge-set 1 [Router-Ethernet1]interface ethernet2 [Router-Ethernet2]bridge-set 1 [Router-Ethernet2]interface bridge-template 1 [Router-Bridge-Template1]ip address 1.1.1.1 255.255.0.0 [Router-Bridge-Template1]interface ethernet0 [Router-Ethernet0]ip address 2.1.1.1 255.255.0.0 E0 E1 E2Bridge Set 1 Bridge-Template interface 1.1.1.1 2.1.1.1 Router
Typical Bridge Configuration313 Bridging on Sub-InterfacesI. Networking Requirements Two routers are connected via a network cable. Enabling bridging on the Ethernet sub-interfaces so that the two bridges established via the routers can be interconnected. II. Networking Diagram Figure 115 Networking for bridging on sub-interfaces III. Configuration Procedure 1Configure Router A [Router]bridge enable [Router]bridge 1 stp ieee [Router]bridge 2 stp ieee [Router]interface ethernet 1 [Router-Ethernet1]bridge-set 1 [Router-Ethernet1]interface ethernet 2 [Router-Ethernet2]bridge-set 2 [Router-Ethernet2]interface ethernet 0.1 [Router-Ethernet0.1]vlan-type dot1q vid 1 [Router-Ethernet0.1]bridge-set 1 [Router-Ethernet0.1]interface ethernet 0.2 [Router-Ethernet0.2]vlan-type dot1q vid 2 [Router-Ethernet0.2]bridge-set 2 2Configure Router B [Router]bridge enable [Router]bridge 1 stp ieee [Router]bridge 2 stp ieee [Router]interface ethernet 1 [Router-Ethernet1]bridge-set 1 [Router-Ethernet1]interface ethernet 2 [Router-Ethernet2]bridge-set 2 [Router-Ethernet2]interface ethernet 0.1 [Router-Ethernet0.1]vlan-type dot1q vid 1 [Router-Ethernet0.1]bridge-set 1 [Router-Ethernet0.1]interface ethernet 0.2 [Router-Ethernet0.2]vlan-type dot1q vid 2 [Router-Ethernet0.2]bridge-set 2 e0.1 e1 e1 e2e2e0.1 e0.2 e0.2 Router A Router B
314CHAPTER 19: CONFIGURING BRIDGE Link-Set ConfigurationI. Networking Requirements Bind multiple parallel links between bridges into a link-set so that the links can share the load when bridging the traffic. II. Networking Diagram Figure 116 Networking of use link-set to implement port binding III. Configuration Procedure 1Configure Router A [Router]bridge enable [Router]bridge 1 stp ieee [Router]interface ethernet 0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]interface serial0 [Router-Serial0]bridge-set 1 [Router-Serial0]bridge-set 1 link-set 1 [Router-Serial0]interface serial1 [Router-Serial1] bridge-set 1 [Router-Serial1] bridge-set 1 link-set 1 2Configure Router B [Router]bridge enable [Router]bridge 1 stp ieee [Router]interface ethernet 0 [Router-Ethernet0]bridge-set 1 [Router-Ethernet0]interface serial0 [Router-Serial0]bridge-set 1 [Router-Serial0]bridge-set 1 link-set 1 [Router-Serial0]interface serial1 [Router-Serial1]bridge-set 1 [Router-Serial1]bridge-set 1 link-set 1 s0 s0 s1 s1 Ethernet segment 1 Ethernet segment 2Link Set 1 e0 e0 Router A Router B
V NETWORK PROTOCOL Chapter 20Configuring IP Address Chapter 21Configuring IP Application Chapter 22Configuring IP Performance Chapter 23Configuring IP Count Chapter 24Configuring IPX Chapter 25Configuring DLSw