Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide ...

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9Port mirroring and monitoring[loop_detect_lp_ipc_control] rx opcode=3loop_detect_process_loop_detected: (2/5 VLAN: 13 ) sending_port Inv type 2Dec 1 01:21:08 loop_detect_process_loop_detected: loop detect is shutting port2/5 VLAN: 13[loop_detect_lp_ipc_control] rx opcode=3loop_detect_process_loop_detected: (2/7 VLAN: 13 ) sending_port Inv type 2Dec 1 01:21:08 loop_detect_process_loop_detected: loop detect is shutting port2/7 VLAN: 13The following command example displays loop detect detail messages.Brocade# debug loopdetect detailloop_detect_send_bpdu: i/f 2/5 stp state is blocking, do not send loop-detectloop_detect_send_bpdu: send loop-detect to port Inv VLAN: 13loop_detect_send_bpdu: i/f 2/5 stp state is blocking, do not send loop-detectloop_detect_send_bpdu: send loop-detect to port Inv VLAN: 13loop_detect_send_bpdu: i/f 2/5 stp state is blocking, do not send loop-detectloop_detect_send_bpdu: send loop-detect to port Inv VLAN: 13loop_detect_send_bpdu: i/f 2/5 stp state is blocking, do not send loop-detectloop_detect_send_bpdu: send loop-detect to port Inv VLAN: 13loop_detect_send_bpdu: i/f 2/5 stp state is blocking, do not send loop-detectloop_detect_send_bpdu: send loop-detect to port Inv VLAN: 13loop_detect_send_bpdu: i/f 2/5 stp state is blocking, do not send loop-detConfiguration notesThe following information applies to Loose mode loop detection:• Loop detection is configured on the VLAN. Different VLANs may disable different ports.• Loose mode can disable multiple ports of a loop. A disabled port affects every VLAN using it.• Loose mode disables the receiving port if packets originate from any port or member port of aVLAN on the same device.• The VLAN of the receiving port must be configured for loop detection in order to disable theport.• Loose mode floods test packets to the entire VLAN. This can impact system performance if toomany VLANs are configured for Loose mode loop detection.The following information applies to Strict mode loop detection:• A port is disabled only if a packet is looped back to that same port. Loop detection must beconfigured on the physical port.• Strict mode overcomes specific hardware issues where packets are echoed back to the inputport.Port mirroring and monitoringYou can monitor the traffic on the Brocade ports by configuring another port to mirror the traffic onthe ports you want to monitor. The port thus configured is called a mirror port. By attaching aprotocol analyzer to the mirror port, you can observe the traffic on the monitored ports.310 Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide53-1002426-02
Port mirroring and monitoring 9Port mirroring show commandsThis section describes the show commands that display port mirroring information.show monitor configSyntax: show monitor configThis command displays the inbound and outbound traffic that is being mirrored to each mirror port,as shown in the following example.Brocade# show monitor configMonitored Port 3/1Input traffic mirrored to: 2/1Output traffic mirrored to: 1/1Monitored Port 4/1Input traffic mirrored to: 1/2Output traffic mirrored to: 2/1show monitor actualSyntax: show monitor actualThis command displays the actual traffic being mirrored to each mirror port, as shown in thefollowing example.Brocade# show monitor actualMonitored Port 3/1Output traffic mirrored to: 1/1Monitored Port 4/1Input traffic mirrored to: 1/2This command output displays the output traffic mirrored to mirror port 1/1 from port 3/1 andinput traffic mirrored to mirror port 1/2 from port 4/1, which are explicitly configured.Port mirroring debug commandsThis section describes the debug command that generates port mirroring information.debug access-list mirror genericSyntax: [no] debug access-list mirror genericThis command displays information about generic access list mirroring activity. Command outputresembles the following example.Brocade# debug access-list mirror genericACL based Mirroring-Generic: debugging is onPort24 7212413945 0 0 0 0 0Port47 0 6559006109 0 0 0 0Port48 0 1363150585 0 0 0 0Nov 30 18:28:14 trying port 1/10 for out ACL, ptr=24dd2112Nov 30 18:28:14 trying port 1/10 for out ACL, ptr=24dd2112PPCR 2:1: Reset IPv4/L2 outbound Rule ACL CAM countPPCR 2:1: Free IPv4/L2 outbound Rule ACL CAM PartitionPPCR 1:1: Reset IPv4/L2 outbound Rule ACL CAM countPPCR 1:1: Free IPv4/L2 outbound Rule ACL CAM PartitionPPCR 1:2: Reset IPv4/L2 outbound Rule ACL CAM countBrocade MLX Series and Brocade NetIron XMR Diagnostic Guide 31153-1002426-02
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53-1002426-0216 April 2012®Brocade
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IS-IS . . . . . . . . . . . . . . .
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Port loop detection . . . . . . . .
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About This DocumentThis manual desc
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NOTEA note provides a tip, guidance
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Using Diagnostic CommandsChapter1Ho
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Generic debug commands 1show debugS
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System and System Management Diagno
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Basic system information 2Boot : Ve
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Basic system information 2show whoS
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Basic system information 2LP APP :
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TCAM partitioning and usage 2Table
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TCAM partitioning and usage 2Subpar
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TCAM partitioning and usage 2Config
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Managing memory and CPU usage 2•
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Managing memory and CPU usage 2Tota
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Managing memory and CPU usage 2ff f
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Management module diagnostics 2FE (
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Management module diagnostics 200A)
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Management module diagnostics 2Comm
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Interface module diagnostics 2NOTEB
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Interface module diagnostics 2TABLE
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Interface module diagnostics 2Broca
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Interface module diagnostics 2(3870
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IPC diagnostics 2u_specific reply 0
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IPC diagnostics 2Unreliable TX : 1:
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ITC diagnostics 20x0130011 - 2 - 0s
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Switch fabric modules 2Brocade# sho
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Power supplies, fans, and temperatu
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Power supplies, fans, and temperatu
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Fiber optic modules 2If none of the
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Fiber optic modules 2==============
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Testing network connectivity 2Fiber
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Layer 1 DiagnosticsChapter3This cha
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Ethernet diagnostics 3Unidirectiona
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Link fault signaling 3A CRC alignme
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Packet over SONET modules 3Path Tra
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Packet over SONET modules 3NP Ingre
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Packet over SONET modules 3Brocade#
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802.1ag CFM for VPLS debug commands
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802.1ag CFM for VPLS debug commands
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Layer 2 Protocol DiagnosticsChapter
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MAC address learning 4show mac vpls
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MAC address learning 4debug ip arp
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MAC address learning 4Brocade# debu
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Super Aggregated VLANs 4show vlanSy
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MRP 4vlan 1000tagged ethe 3/1End us
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MRP 4Dec 10 17:24:35 mrprhp_receive
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Spanning Tree Protocol and derivati
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LACP trunking 4• When you enable
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LACP trunking 4Trunk formation rule
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UDLD 4show link-keepalive ethernetS
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VSRP 4VLAN Translation debug comman
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VSRP 4In this example, VRID 5 is in
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VPORT Scaling 4VPORT ScalingVirtual
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LLDP 4Nov 17 19:30:08 LLDP event :
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Layer 3 Protocol DiagnosticsChapter
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BFD 5Clearing BFD neighbor sessions
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BFD 5Total number of Neighbor entri
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BGP 5Common diagnostic scenarios•
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BGP 5BGP_ROUTE_DAMPING_REUSE_LIST:
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BGP 5bgp_check_update TOTAL=0 FREQ=
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BGP 5show ip rtmSyntax: show ip rtm
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BGP 5debug ip bgp graceful-restartS
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BGP 5debug ip bgp route-mapSyntax:
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BGP 5Dec 10 15:04:15 ICMPv6-ND: Sen
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BGP 5OSPFv3 ISM (137): Status chang
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BGP 5Brocade(config)# no router bgp
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OSPF 5show ip ospf configSyntax: sh
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OSPF 5show ip ospf areaSyntax: show
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OSPF 5show ip ospf redistribute rou
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OSPF 5show ip ospf database link-st
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OSPF 5hostname R11-RX8router ospfar
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OSPF 5Pool Id = 7, Total Mega block
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OSPF 5Clearing OSPF neighborsYou ca
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OSPF 5debug ip ospf errorSyntax: [n
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OSPF 5OSPF: send_grace_ls to 224.0.
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OSPF 5debug ip ospf log-empty-lsaSy
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OSPF 5debug ip ospf sham-linkSyntax
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RPF 5• If you disable OSPF, the B
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RPF 5ref count: 1, set id: 0x2c7dbb
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IS-IS 5• The following considerat
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IS-IS 5IP Enabled: TRUEIP Address a
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IS-IS 5Command output resembles the
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IS-IS 5total_memory_allocated_for_t
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IS-IS 5show isis debug pent-level-i
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IS-IS 5show isis debug v6route-info
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IS-IS 5debug isis l1-csnpSyntax: [n
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IS-IS 5debug isis pp-helloSyntax: [
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IS-IS 5ISIS: The Pent Already exist
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IS-IS 5• An IS-IS link is experie
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VRRP and VRRP-E 5• ethernet / - S
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VRRP and VRRP-E 5. received packets
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VRRP and VRRP-E 5Clearing VRRP-E st
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VRRP and VRRP-E 5Configuration note
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MPLS DiagnosticsChapter6This chapte
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MPLS 6Id SubId GenSize BlockSize Ge
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MPLS 6This command displays RSVP se
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MPLS 6TTL 255, TOS 0, NHT 1, MTU 14
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MPLS 6Last down threshold triggerLa
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MPLS API 6debug mplsSyntax: [no] de
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MPLS API 6MPLS API debug commandsTh
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MPLS API 6debug mpls cspf computati
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MPLS API 6Dec 10 00:51:04 MPLS: CSP
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MPLS API 6Dec 10 00:59:58 RSIR: CSP
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MPLS API 6debug mpls rsvpSyntax: [n
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MPLS API 6Dec 10 01:03:26 Dest 7.7.
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MPLS API 6Dec 10 01:08:36 Flgs 0x0X
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MPLS API 6• rsvp - Displays label
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MPLS API 6Nov 21 02:42:51 VLL_Peer_
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MPLS LDP 6MPLS LDPBrocade devices s
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MPLS LDP 6Brocade# show mpls ldp se
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MPLS LDP 6show mpls ldp fec vcSynta
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MPLS LDP 6Dec 10 01:26:37 LDP SC 1
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MPLS LDP 6LDP PM 1 UM FSM, CB 164/2
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MPLS LDP 6LDP um 0d9098c8 fec 11.11
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MPLS VPLS 6debug mpls ldp tcpdumpSy
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MPLS VPLS 6show mac vplsSyntax: sho
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MPLS VPLS 6show mpls debug vpls loc
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MPLS VPLS 6• dy-sync - Displays i
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MPLS VPLS 6VPLS DY-SYNC-LOC: mpls_v
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MPLS VPLS 6Brocade# debug vpls even
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MPLS VPLS 6debug vpls genericSyntax
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MPLS VPLS 6Common diagnostic scenar
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ACL and QoS DiagnosticsChapter7This
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ACLs 7show access-list subnet-broad
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ACLs 7Brocade# debug access-list ac
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ACLs 7debug access-list lsp-out-acl
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ACLs 7May 02 15:26:38 LSP-OUT-ACL:
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ACLs 7PBR_VLAN_PRESERVE 0USE TOS ID
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ACLs 7Brocade# debug ipv6 access-li
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QoS 7QoSQuality of Service (QoS) fe
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Page 277 and 278: QoS 7show tm port-mappingSyntax: sh
Page 279 and 280: QoS 7NP Rx IPv6 RPF Drop Count = (0
Page 281 and 282: Traffic management 7Traffic managem
Page 283 and 284: Traffic management 7Brocade# show t
Page 285 and 286: Multicast DiagnosticsChapter8This c
Page 287 and 288: DVMRP 8Interface v40TTL Threshold:
Page 289 and 290: DVMRP 8debug ip pim-dvmrp add-del-o
Page 291 and 292: IGMP V2 and V3 8Brocade# show ip ig
Page 293 and 294: IGMP V2 and V3 8Brocade# show ip ig
Page 295 and 296: Multicast 8This issue is resolved b
Page 297 and 298: Multicast 83 Source: (158.158.158.1
Page 299 and 300: Multicast 8clear ip multicastSyntax
Page 301 and 302: MSDP 8Brocade# show ip msdp peerTot
Page 303 and 304: MSDP 8Brocade# debug ip msdp events
Page 305 and 306: PIM DM and PIM SM 8The Brocade devi
Page 307 and 308: PIM DM and PIM SM 8Brocade# show ip
Page 309 and 310: PIM DM and PIM SM 8Brocade# show ip
Page 311 and 312: PIM DM and PIM SM 8• If you want
Page 313 and 314: Security DiagnosticsChapter9This ch
Page 315 and 316: 802.1x 9TX EAP Req other than Req/I
Page 317 and 318: 802.1x 9Brocade# show dot1x mac-ses
Page 319 and 320: 802.1x 9: 802.1X: port 4/1 BkEnd BK
Page 321 and 322: 802.1x 9debug dot1x faultSyntax: [n
Page 323 and 324: Denial of Service attacks 9802.1X:
Page 325: Port loop detection 9show loop-dete
Page 329 and 330: RADIUS 9Brocade# show aaaTacacs+ ke
Page 331 and 332: SNMP 9sFlow debug commandsThere are
Page 333 and 334: TACACS and TACACAS+ 9TACACS and TAC
Page 335 and 336: TACACS and TACACAS+ 9**Radius timer
Page 337 and 338: Telnet and SSH connections 9Brocade
Page 339 and 340: NTP 9Syntax: [no] clock summer-time
Page 341 and 342: NTP 9Number of NTP packets failed t
Page 343 and 344: IP security 9Oct 19 18:37:49 Leap 0
Page 345 and 346: IP security 9debug ipsec policySynt
Page 347 and 348: Forwarding DiagnosticsChapter10This
Page 349 and 350: Multicast VRF 10:Brocade# show ipv6
Page 351 and 352: Multicast VRF 10debug ip ospf all-v
Page 353 and 354: Trunking 10Port Names none nonePort
Page 355 and 356: MCT 10The following command output
Page 357 and 358: MCT 10Nov 23 08:39:03 CLUSTER CONFI
Page 359 and 360: MCT 10Nov 23 08:40:29 CLUSTER FSM:
Page 361 and 362: VPLS unicast forwarding 10SYSLOG: D
Page 363 and 364: GRE and IPv6 tunnels 10Common diagn
Page 365 and 366: GRE and IPv6 tunnels 10Normal keepa
Page 367 and 368: LP CPU packet statistics 10This com
Page 369 and 370: LP CPU packet statistics 10TABLE 6F
Page 371 and 372: LP CPU packet statistics 10TABLE 7
Page 373 and 374: LP CPU packet statistics 10TABLE 7
Page 375 and 376: LP CPU packet statistics 10Brocade#
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LP CPU packet statistics 10TABLE 9F
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Software Licensing DiagnosticsChapt
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NETCONFChapter12Network Configurati
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NETCONF 12NETCONF: parser debugging
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Diagnostic Command IndexCcam-partit
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debug iptunnel keepalives, 348debug
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show cam-partition usage, 15show ch
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show mpls vpls detail, 228show mpls
show all

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