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Multi-Service IronWare Switching Configuration Guide 279
53-1003036-02
Backbone Edge Bridge (BEB) operation
11
A PBB network uses two types of bridges (Figure 44): Backbone Edge Bridges (BEB) and Backbone
Core Bridges (BCB). As explained above, the functionality required from a BCB is the same as a
standard IEEE 802.1ad PB bridge. A BEB is used at the boundary of a PBB network to add and
remove the PBB header.
Backbone Edge Bridge (BEB) operation
A BEB containing an I-Component and a B-Component is called an IB-BEB. The B-Component of an
IB-BEB forwards packets towards the PBB network based on backbone MAC addresses (that is, it
learns backbone MAC addresses), while the I-Component forwards packets towards the PB network
based on the customer MAC addresses (that is, it learns customer MAC addresses). Brocade
NetIron XMR and Brocade MLX series only support IB-BEB. Neither support just the I-component
BEB or just the B-component BEB.
FIGURE 44 Backbone Edge Bridge operation
- Multi-Service IronWare 1
- Document History 2
- Contents 3
- Chapter 4 Configuring LLDP 5
- Chapter 7 VLANs 7
- NetIron CER Devices 9
- Brocade NetIron CER 10
- Chapter 17 Topology Groups 16
- Chapter 19 Configuring IP 18
- Chapter 23 sFlow 22
- About This Document 25
- Supported software 26
- Document conventions 27
- Notice to the reader 28
- Related publications 28
- Supported Brocade IP features 31
- Assigning a port name 32
- Modifying port speed 33
- Modifying port mode 34
- Changing the negotiation mode 36
- Modifying port priority (QoS) 37
- Port transition hold timer 37
- Port flap dampening 38
- TABLE 3 link-error-disable 39
- Port loop detection 40
- Enabling loop detection 41
- Clearing loop-detection 42
- Syslog message 43
- Mirroring and Monitoring 44
- ACL-based inbound mirroring 46
- Configuring path trace 51
- Parameter Description 52
- Wait for all cards feature 55
- Link fault signaling 55
- Configuration Examples 56
- Limits and restrictions 62
- TABLE 8 Rx counters 65
- Tx Source Port 66
- Using FDP 69
- Configuring FDP 70
- Displaying FDP information 71
- This line... Displays 72
- Displaying FDP entries 73
- Reading CDP packets 74
- Displaying CDP information 75
- Displaying neighbors 76
- Displaying CDP entries 76
- Clearing CDP information 77
- Syntax: clear fdp table 78
- Syntax: clear fdp counters 78
- Management module switchover 81
- Switchover implications 82
- Brocade(config)# redundancy 83
- Status LED 88
- Software 88
- • show chassis 89
- • show temperature 89
- File system Root directory 90
- Management focus 92
- Flash memory file system 93
- Wildcards 95
- Formatting a flash card 95
- Creating a subdirectory 100
- Brocade# mkdir slot2 TEST 101
- Removing a subdirectory 102
- Renaming a file 102
- 53-1003036-02 103
- Deleting a file 104
- Loading the software 111
- Rebooting from the system 112
- Saving configuration changes 113
- File management messages 114
- Configuring LLDP 115
- General operating principles 116
- LLDP packets 117
- TLV support 117
- Mandatory TLVs 118
- TABLE 21 Port ID subtypes 119
- Configuration considerations 120
- Using LLDP 120
- Configuring transmit mode 121
- Configuring receive mode 121
- Per device 122
- Per port 122
- Syslog messages 123
- General system information 125
- 802.1 capabilities 128
- 802.3 capabilities 129
- • Speed and duplex mode 130
- LLDP configuration summary 131
- Syntax: show lldp 132
- Show lldp statistics 132
- LLDP statistics 133
- LLDP neighbors 134
- LLDP neighbors detail 135
- This field... Displays 136
- Resetting LLDP statistics 137
- Aggregation 139
- LAG formation rules 140
- LAG load sharing 143
- Load sharing for MPLS LAGs 146
- Configuring a LAG 148
- Static LAG Considerations 150
- Creating a keepalive LAG 151
- Configuring load sharing type 152
- Specifying the LAG threshold 153
- Configuring an LACP timeout 154
- Deploying a LAG 155
- Disabling ports within a LAG 156
- Enabling ports within a LAG 157
- Limitations 160
- Displaying LAG information 161
- Example : Wide-Mode Display 163
- TABLE 25 Show LAG information 164
- Displaying LAG statistics 167
- This Field... Displays 171
- Naming a port in a LAG 180
- TABLE 27 Show LAG information 184
- Protocol-based VLANs 196
- VLAN configuration rules 197
- Dual-mode default VLAN 198
- Brocade(config)#vlan 2 200
- Brocade(config-vlan-2)#vlan 1 200
- Configuring port-based VLANs 201
- Example 202
- VLAN groups 206
- Configuring a VLAN group 207
- Configuring aggregated VLANs 211
- Complete CLI examples 212
- Commands for device B 213
- Commands for device C 213
- Commands for device D 214
- Commands for device E 214
- Commands for device F 214
- Configuration rules 216
- Enabling 802.1Q-in-Q tagging 216
- Example configuration 217
- Miscellaneous VLAN features 220
- Brocade(config)# vlan 10 221
- Brocade(config)# vlan 24 223
- Deprecated commands 224
- Existing display command 225
- Displaying VLAN counters 227
- Field Description 228
- IP interface commands 231
- Transparent VLAN flooding 235
- Configuring TVF FID pool size 236
- Transparent firewall mode 237
- Displaying VLAN information 237
- TABLE 36 Output of show vlan 238
- Multi-port static MAC address 242
- Error messages 243
- SA and DA learning and aging 245
- Flooding features 245
- • show vlan tvf-lag-lb 246
- Release Command History 247
- Output field Description 250
- Types of ESI 254
- Creating an ESI 255
- Show VLAN commands 256
- Displaying a single ESI 257
- Tag-type configuration 257
- Displaying tag types 258
- CVLAN translation 260
- CES and Brocade NetIron CER 263
- Configuration steps 265
- Displaying the port type 266
- About IEEE 802.1ad 267
- Display ESI configuration 270
- PB using untagged members 271
- VLANs (SAV) 272
- FIGURE 27 L2PF in a network 273
- FIGURE 28 Physical network 274
- TABLE 41 Port Configuration 274
- Global configuration 275
- Overview 277
- Tag type configuration 281
- 802.1ad at each interface 282
- IEEE 802.1ah configurations 283
- Bind ISID to BVLAN 284
- Bridge (PBB) networks 287
- Displaying port- types 288
- Point to Point PBB 291
- ISID mapping to VPLS 292
- Tag Type and Ether Type 293
- Topology Groups 294
- Show commands 294
- Load balancing traffic 295
- Local switching 297
- Remote switching 298
- End-to-end behavior 298
- PBB 802.1ah 299
- PB 802.1ad 299
- • Duplicates among all 300
- • No duplicates across all 300
- Deleting a VLAN 301
- Deleting an ESI 301
- Default ESI 303
- SVLAN uniqueness 304
- IEEE 802.1ad (PB) 304
- IEEE 802.1ah (PBB) 304
- I-tag uniqueness 305
- Service instance 310
- S-Tagged endpoint 311
- Dual-tagged endpoint 311
- IB-Tagged Endpoint 311
- Customer to ISID mapping 313
- FIGURE 46 S-VLAN keep mode 315
- PBB packet switching 316
- PBB MAC Learning 317
- MAC Learning for PBB Packets 318
- PBB PCP/DEI Setting 319
- B-Tag DEI Setting 320
- I-Tag PCP Setting 320
- S-Tag PCP/DEI Setting 321
- Configuring PBB 322
- Show Commands 325
- 802.1ag over PBB OAM 328
- Configuration scenarios 329
- Types of MEPs and MIPs 331
- 802.1ag for Link MA 332
- 802.1ag for CVLAN and SVLAN 333
- 802.1ag for BVLAN 334
- 802.1ag for ISID 334
- 802.1ag Port Status TLV 335
- 802.1ag RDI 336
- Configuration for CE Devices 337
- Configuration for PE Devices 341
- Brocade# 345
- Enabling or disabling STP 348
- STP in a LAG 350
- Changing STP port parameters 352
- Root Guard 352
- Enabling Root Guard 353
- Checking for Syslog messages 354
- Checking for traps 354
- BPDU Guard 355
- Displaying STP information 358
- SSTP defaults 364
- Displaying SSTP information 365
- SuperSpan™ 366
- BPDU forwarding 367
- Preforwarding state 367
- Configuring SuperSpan 372
- Enabling SuperSpan 373
- STP feature configuration 375
- Fast Uplink Span 377
- Active uplink port failure 378
- PVST or PVST+ compatibility 380
- VLAN Tags and dual mode 381
- Enabling PVST+ support 382
- Configuration examples 383
- Configuring MSTP 386
- Setting the MSTP name 387
- Configuring an MSTP instance 388
- Setting point-to-point link 389
- Disabling MSTP on a port 390
- Enabling MSTP on a device 390
- RTR1 configuration 391
- Core 1 configuration 391
- Core2 configuration 392
- LAN 4 configuration 392
- Displaying MSTP statistics 393
- MSTP support for PBB 399
- Use case scenario 400
- Edge MSTP in a PB network 402
- High availability 403
- Configuring AS-1 404
- Configuring AS-2 404
- Configuring ES-1 405
- Configuring CE-1 and CE-2 406
- CoreMSTP 409
- CS-1 Configuration 410
- Show MSTP 413
- Syntax: show mstp [blocked] 414
- Show mstp region 416
- VLAN configuration 418
- ESI VLAN configuration 420
- Show MSTP detail 421
- Syntax: show mstp detail 422
- Show MSTP detail region 424
- Commands 426
- Assignment of port roles 437
- Ports on Switch 1 438
- Ports on Switch 2 438
- Ports on Switch 3 438
- Ports Switch 4 438
- Point-to-point ports 439
- Bridge port states 440
- State machines 441
- Handshake mechanisms 442
- Proposing and proposed stage 443
- FIGURE 76 Sync stage 444
- FIGURE 77 Synced stage 445
- FIGURE 78 Agree stage 446
- FIGURE 81 Sync and reroot 449
- FIGURE 82 Sync and rerooted 450
- Rerooted, synced, and agreed 451
- Convergence at start up 453
- FIGURE 87 Active Layer 2 path 455
- Configuring RSTP parameters 464
- Brocade(config-vlan-10)# rstp 465
- Brocade(config)# rstp single 465
- Changing port parameters 466
- Syslogs for RSTP 467
- Displaying RSTP information 468
- RSTP support for PB and PBB 473
- Core RSTP 474
- Edge RSTP 474
- Configuration commands 476
- Syntax: show mpls vpls detail 478
- Use case scenarios 479
- Brocade_CE-2(config)#vlan 300 481
- Brocade_CE-1(config)#vlan 300 481
- EdgeRSTP 482
- EdgeRSTP 484
- EdgeRSTP 487
- NetIron CER 489
- Use case 6: Core RSTP 492
- • Forwarding 500
- • Discarding 500
- • Learning 500
- • Disabled 500
- Metro Ring Protocol 503
- Metro Ring Protocol (MRP) 504
- Ring initialization 507
- MRP alarm RHP enhancement 511
- Configuring MRP 516
- Adding an MRP ring to a vlan 517
- Changing the scale timer 518
- MRP Phase 2 519
- Ring interface ownership 521
- Ring interface IDs and types 522
- Normal flow 527
- Flow when a link breaks 529
- Tuning MRP timers 530
- Hello time 531
- Preforwarding time 531
- Effect of the scale timer 532
- Using MRP diagnostics 533
- Displaying MRP information 534
- Displaying ring information 535
- MRP CLI example 537
- Commands on Switch B 538
- Commands on Switch C 539
- Commands on Switch D 539
- Ethernet Ring Protection 541
- ERN roles 542
- ERN interfaces 542
- Protocols 542
- ERP messaging 544
- ERP operational states 544
- ERP timers 545
- Initializing a new ERN 546
- • ERN 2 takes no action 547
- • ERN 3 takes no action 547
- Signal fail 550
- Manual switch 551
- FIGURE 138 MS on Non-RPL node 553
- Forced switch 554
- FIGURE 142 FS clear process 556
- Dual-end blocking 557
- Non-revertive mode 557
- Interconnected rings 557
- FBD flush optimization 559
- Configuring ERP 559
- Device 1 RPL owner 560
- Device 2 RPL node 560
- Device 3 Non-RPL node 560
- Device 4 Non-RPL node 560
- ERP commands 561
- Configuring R-APS MEL value 562
- Configuring interfaces 562
- Device 1 Configuration steps 565
- Device 2 Configuration steps 566
- Configuring dual-end blocking 567
- Configuring the guard timer 567
- Testing the WTR timer 568
- Configuring a hold-off timer 568
- ERP over ESI VLAN 570
- Sample configurations 571
- PBB interconection node (BEB) 572
- ERP support for PBB 573
- Parent ring ID configuration 576
- RAPS-propagate-tc 577
- ERP statistics 579
- Clearing ERP statistics 581
- Layer 2 redundancy 585
- VSRP priority calculation 586
- FIGURE 161 VSRP priority bias 587
- Track ports 588
- Enabling Layer 3 VSRP 590
- Disabling or re-enabling VSRP 591
- Configuring authentication 591
- Configuration considerations: 594
- Displaying VSRP 2 595
- Changing the backup priority 598
- Changing the Hello interval 599
- Changing the Dead interval 600
- Specifying a track port 601
- Displaying VSRP information 602
- VSRP fast start 605
- Configuring VSRP fast start 606
- VSRP slow start 607
- New path established 610
- Master VLAN and member VLANs 612
- Control ports and free ports 612
- Configuring a topology group 613
- • VLAN 2 as master VLAN 614
- • Member VLAN group 2 614
- Brocade MLX series device 616
- • Foundry MRP 619
- Multi-Chassis Trunking (MCT) 621
- How MCT works 622
- MCT components 623
- MCT terminology 624
- Dynamic LAGs 625
- MCT peers 626
- ICL traffic handling 626
- MCT Active-Passive mode 626
- Multicast snooping over MCT 627
- Event MCT-1 MCT-2 628
- L2 protocol packet handling 629
- MCT L2 protocols 629
- MCT feature interaction 630
- Configure MCT 631
- Configure Active-Active MCT 632
- Active-Passive MCT 633
- Configure Active-Passive MCT 633
- PE1 client role 634
- Single level MCT example 635
- Brocade(config-lag-1)# deploy 636
- Cluster Failover Mode 651
- Client isolation mode 651
- Client interfaces delay 651
- Active/Passive mode 652
- Client-role 652
- Keep-alive VLAN 652
- L2 protocol forwarding 653
- MCT switch forwarding action 654
- MCT failover scenarios 656
- Syslogs and debugging 659
- Multicast show commands 662
- MAC operations 663
- Enabling dynamic MAC learning 664
- • Single MAC entry 665
- Cluster Mac types 667
- Clear MAC commands 670
- MCT configuration examples 671
- Client-1: 675
- Client-2: 675
- Single level MCT- extension 676
- Client-3: 680
- Two level MCT example 681
- Router C: 683
- Router D: 684
- MRP integration with MCT 686
- MCT-capable-switch-A 686
- MCT-capable-switch-B: 687
- MCT for VRRP or VRRP-E 689
- Sample MCT Configuration 694
- Support for non-direct ICL 696
- L2VPN timers 697
- Cluster CCP session rules 697
- Handling L2VPN spoke down 698
- Graceful restart support 699
- Sample Configurations 700
- MCT for VPLS 701
- Configuration Considerations 702
- MAC Learning & Synching 704
- MAC Aging 704
- Local switching with MCT 705
- CPU protection with MCT 705
- Auto-discovery with MCT 705
- Cluster-peer verses vpls-peer 705
- Graceful Restart and Upgrade 705
- PE to PE Forwarding 706
- VPLS show commands 707
- MCT for VLL 709
- VLL information sync 710
- Display commands 713
- MCT VLL sample configuration 714
- MCT Snooping 715
- MCT remote CCEP up event 716
- Cluster Peer #2: 720
- MCT Client: 720
- PIM Over MCT 722
- Sending IGMP Queries on CCEPs 723
- Displaying MCT PIM Count 725
- Displaying IGMP Interfaces 726
- Displaying MLD Interfaces 726
- Sample configuration 726
- MCT Peer 2 727
- Configuring IP 729
- • “The IP packet flow” 731
- • “Configuring IP parameters” 731
- The IP packet flow 732
- ARP cache table 733
- Static ARP table 733
- IP route table 734
- IP forwarding cache 735
- IP packet queuing 735
- IP global parameters 736
- Parameter Description Default 737
- IP interface parameters 739
- GRE IP tunnel 741
- Configuring a GRE IP Tunnel 742
- CAM restrictions 743
- Compatible CAM profiles 744
- Configuring a TTL value 746
- Configuring a TOS value 747
- Multicast over GRE tunnel 750
- Operational notes 752
- Clearing the statistics 753
- Switchover behavior 753
- Behavior after an LP failure 754
- Feature scalability 754
- Enabling tunnel statistics 754
- Restart global timers 755
- Configuring IP parameters 757
- IP Unnumbered Interfaces 760
- • Loopback interface 761
- • VE interface 761
- DHCP host subnet selection 764
- Support for other features 764
- • 1 bit copied flag 767
- • 2 bits option class 767
- • 5 bits option number 767
- Defining an IPv4 DNS entry 769
- Using Telnet and Secure Shell 770
- • Ethernet II 771
- Changing the MTU 772
- Globally changing the IP MTU 773
- Changing the router ID 774
- Recalculating the router ID 775
- Configuring ARP parameters 778
- How ARP works 779
- Rate limiting ARP packets 780
- Changing the ARP aging period 781
- Enabling proxy ARP 781
- Enabling local proxy ARP 782
- Creating static ARP entries 783
- Changing the ARP timer 783
- Dynamic ARP inspection 784
- Configuring DAI 785
- Enabling trust on a port 786
- Creating ARP entries 787
- Brocade(config)# vrf vpn1 789
- Adding an ARP entry for a VRF 790
- DHCP snooping 792
- How DHCP snooping works 793
- Configuring DHCP snooping 794
- DHCP snooping suboptions 794
- DHCP option 82 insertion 795
- TABLE 91 Display of show dai 797
- Zero Touch Provisioning 800
- Supported options for DHCP 802
- IP source guard 805
- Enabling IP source guard 806
- IP source guard CAM 807
- Changing the TTL threshold 808
- Disabling ICMP messages 811
- Configuring static routes 813
- Static route types 814
- Static IP route parameters 814
- Configuring a static IP route 816
- Brocade(config)# vrf red 817
- Configuring a “null” route 820
- CAM default route aggregation 821
- Static route configuration 825
- Static route recursive lookup 826
- Naming a static IP route 828
- BFD for Static Routes 831
- Configuring IP load sharing 834
- Administrative distance 835
- Path cost 836
- Masking layer-2 information 839
- How IP load sharing works 845
- Configuring IRDP 846
- Enabling IRDP globally 847
- Filtering Martian addresses 852
- Configuring a IPv6 IP tunnel 854
- FIGURE 205 856
- Example : I-BGP Nexthop 857
- Example : E-BGP Nexthop 857
- Displaying tunnel information 861
- Displaying IP information 863
- Displaying ARP entries 867
- Dual Active Console 871
- Displaying the IP route table 871
- Using the summary option 872
- Using the connected option 873
- Using the static option 873
- Using the longer option 873
- Using the nexthop option 874
- Clearing IP routes 876
- Syntax: show ip traffic 877
- • show ip-tunnels 879
- • show ip-tunnel tunnel ID 879
- Displaying tunnel statistics 881
- Enabling MVRP globally 885
- Enabling MVRP on an interface 886
- MVRP port applicant mode 886
- MVRP port point to point 886
- MVRP interface level timers 887
- MVRP configuration examples 887
- Syslog Messages 893
- Logging control 893
- Clear commands 894
- MMRP networks 895
- Use of MAP context 896
- Sample topology 897
- Declaration of MAC 898
- Configuring MMRP 899
- Enabling MVRP at global level 900
- Per Interface configuration 901
- MMRP interface level timers 902
- CLI Error Messages 906
- Reverse Path Forwarding 907
- RPF configuration 908
- RPF-compatible CAM profiles 909
- Displaying RPF statistics 913
- Displaying RPF logging 915
- • Sample packet flows 917
- Source address 919
- Sampling rate 920
- Configuring sFlow statistics 922
- Specifying the collector 923
- Changing the polling interval 924
- Changing the sampling rate 924
- Enabling sFlow forwarding 927
- ACL-based Inbound sFlow 928
- Brocade(config)# int eth 1/1 930
- Displaying sFlow information 931
- • disabled 932
- • enabled 932
- • IP address 932
- • UDP port 932
- Clearing sFlow statistics 933
- FIGURE 210 UDLD example 937
- Configuring UDLD 938
- Displaying UDLD information 939
- Clearing UDLD statistics 942
- Configuring BFD parameters 945
- Displaying BFD information 946
- Brocade# clear bfd neighbor 950
- Configuring BFD for OSPFv2 951
- Configuring BFD for OSPFv3 952
- Configuring BFD for IS-IS 953
- Configuring BFD for BGP4 954
- Holdover interval 955
- Displaying BFD for BGP4 958
- Displaying BFD applications 959
- BFD for RSVP-TE LSP 962
- BFD session creation 963
- BFD session deletion 964
- BFD session modification 964
- BFD session down handling 964
- Release Command history 967
- • Max LP session exceeded 972
- • Peer session down 972
- • Wait for peer 972
- BFD session down behavior 978
- Brocade(config)# router mpls 979
- • BFD Application Information 980
- • BFD MPLS Information 980
- Syntax: show mpls bfd 983
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