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

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2Managing memory and CPU usageTo display the TCAM settings on your router, use the show cam-partition command, as described in“show cam-partition” on page 14.Determining if a device is running out of TCAMThe show cam-partition usage command will tell you if the Brocade NetIron XMR and Brocade MLXseries device is running out of TCAM.Managing memory and CPU usageTo achieve maximum performance, it is important to understand CPU usage and memory issues inthe Brocade NetIron XMR and Brocade MLX series router. The following sections discuss how tomanage memory and CPU usage.Memory and CPU usage show commandsThe first step in determining how your device is using memory and CPU is to get a view of theactivity. Several show commands display information about CPU usage and CPU task activity. Thissection lists these commands and provides output examples.show tasksSyntax: show tasksThis command displays CPU usage statistics for tasks, as shown in the following example.Brocade# show tasksTask Name Pri State PC Stack Size CPU Usage(%) task vid----------- --- ----- -------- -------- ------ ------------ --------idle 0 ready 0000448c 0404dfa0 4096 100 0monitor 20 wait 0001493c 0404be10 16384 0 0wd 31 wait 0001493c 0452df48 8192 0 0flash 17 wait 0001493c 04535f48 8192 0 0dbg 30 wait 0001493c 04532ef0 16384 0 0boot 17 wait 0001493c 0462ee08 65536 0 0main 3 wait 0001493c 20819f38 131072 0 1itc 6 wait 0001493c 2081eb30 16384 0 1tmr 5 wait 0001493c 20854670 16384 0 1ip_rx 5 wait 0001493c 20859f78 16384 0 1scp 5 wait 0001493c 20882670 16384 0 1console 5 wait 0001493c 2088d660 32768 0 1vlan 5 wait 0001493c 20895660 16384 0 1mac_mgr 5 wait 0001493c 2089c670 16384 0 1mrp 5 wait 0001493c 20ca3670 16384 0 1vsrp 5 wait 0001493c 20caa668 16384 0 1snms 5 wait 0001493c 20caf670 16384 0 1rtm 5 wait 0001493c 20cb8670 16384 0 1ip_tx 5 ready 0001493c 20f33670 16384 0 1rip 5 wait 0001493c 27629668 16384 0 1show cpuSyntax: show cpu [average | detail | lp]• average - Displays average CPU utilization information.• detail - Displays detailed information about the CPU utilization.18 Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide53-1002426-02
Managing memory and CPU usage 2• lp - Displays CPU utilization infomation for the line card.This command displays detailed information about the CPU utilization. Command outputresembles the following example.Brocade# show cpu detailName State Act Wait Hold Time CPU$(idle) - A 0 0 257961164 99.2$con wait A 0 139 12372 0.0$mon wait A 0 0 13461 0.0$flash wait A 123 0 11668 0.0$dbg wait A 0 0 5980 0.0$boot wait A 0 4 11986 0.0main wait A 1 2292 4417 0.0itc wait A 0 2 17 0.0tmr wait A 357 0 432901 0.1ip_rx wait A 44 5 144816 0.0scp wait A 33 102 86138 0.0lpagent wait A 2 0 4511 0.0console ready A 55 60 11181 0.0vlan wait A 4 324 19180 0.0mac_mgr wait A 53 135 8971 0.0mrp wait A 139 0 25373 0.0vsrp wait A 140 0 0 0.0erp wait A 140 0 25594 0.0snms wait A 140 31 57475 0.0rtm wait A 141 1382 104725 0.0rtm6 wait A 1524 564 77327 0.0ip_tx wait A 2058 592 529010 0.2rip wait A 2651 1 2 0.0l2vpn wait A 2653 71 18055 0.0mpls wait A 2654 135 105867 0.0nht wait A 2657 3 5 0.0mpls_glue wait A 2658 0 1985 0.0bgp wait A 2659 14 86948 0.0bgp_io wait A 2662 0 486 0.0ospf wait A 2663 49 205871 0.0ospf_r_calc wait A 2667 0 29 0.0isis wait A 2667 42 7640 0.0isis_spf wait A 2668 0 0 0.0mcast wait A 2668 21 21896 0.0msdp wait A 2674 0 2621 0.0vrrp wait A 2674 16 17 0.0ripng wait A 2674 0 0 0.0ospf6 wait A 2675 39 33244 0.0ospf6_rt wait A 2675 0 13 0.0mcast6 wait A 2675 4 21356 0.0vrrp6 wait A 2680 16 16 0.0bfd wait A 2680 6 9 0.0ipsec wait A 2686 0 1 0.0l4 wait A 2687 53 16137 0.0stp wait A 2708 1 2 0.0gvrp_mgr wait A 2710 0 0 0.0snmp wait A 2710 0 71 0.0rmon wait A 2711 1 2677 0.0web wait A 2711 3 22285 0.0lacp wait A 2712 1 11803 0.0dot1x wait A 2712 0 0 0.0dot1ag wait A 2713 0 1322 0.0loop_detect wait A 2713 0 7695 0.0Brocade MLX Series and Brocade NetIron XMR Diagnostic Guide 1953-1002426-02
Page 1 and 2: 53-1002426-0216 April 2012®Brocade
Page 9 and 10: IS-IS . . . . . . . . . . . . . . .
Page 11 and 12: Port loop detection . . . . . . . .
Page 13 and 14: About This DocumentThis manual desc
Page 15 and 16: NOTEA note provides a tip, guidance
Page 17 and 18: Using Diagnostic CommandsChapter1Ho
Page 19 and 20: Generic debug commands 1show debugS
Page 21 and 22: System and System Management Diagno
Page 23 and 24: Basic system information 2Boot : Ve
Page 25 and 26: Basic system information 2show whoS
Page 27 and 28: Basic system information 2LP APP :
Page 29 and 30: TCAM partitioning and usage 2Table
Page 31 and 32: TCAM partitioning and usage 2Subpar
Page 33: TCAM partitioning and usage 2Config
Page 37 and 38: Managing memory and CPU usage 2Tota
Page 39 and 40: Managing memory and CPU usage 2ff f
Page 41 and 42: Management module diagnostics 2FE (
Page 43 and 44: Management module diagnostics 200A)
Page 45 and 46: Management module diagnostics 2Comm
Page 47 and 48: Interface module diagnostics 2NOTEB
Page 49 and 50: Interface module diagnostics 2TABLE
Page 51 and 52: Interface module diagnostics 2Broca
Page 53 and 54: Interface module diagnostics 2(3870
Page 55 and 56: IPC diagnostics 2u_specific reply 0
Page 57 and 58: IPC diagnostics 2Unreliable TX : 1:
Page 59 and 60: ITC diagnostics 20x0130011 - 2 - 0s
Page 61 and 62: Switch fabric modules 2Brocade# sho
Page 63 and 64: Power supplies, fans, and temperatu
Page 65 and 66: Power supplies, fans, and temperatu
Page 67 and 68: Fiber optic modules 2If none of the
Page 69 and 70: Fiber optic modules 2==============
Page 71 and 72: Testing network connectivity 2Fiber
Page 73 and 74: Layer 1 DiagnosticsChapter3This cha
Page 75 and 76: Ethernet diagnostics 3Unidirectiona
Page 77 and 78: Link fault signaling 3A CRC alignme
Page 79 and 80: Packet over SONET modules 3Path Tra
Page 81 and 82: Packet over SONET modules 3NP Ingre
Page 83 and 84: 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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QoS 7show qos-mapSyntax: show qos-m
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QoS 7show tm port-mappingSyntax: sh
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QoS 7NP Rx IPv6 RPF Drop Count = (0
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Traffic management 7Traffic managem
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Traffic management 7Brocade# show t
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Multicast DiagnosticsChapter8This c
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DVMRP 8Interface v40TTL Threshold:
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DVMRP 8debug ip pim-dvmrp add-del-o
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IGMP V2 and V3 8Brocade# show ip ig
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IGMP V2 and V3 8Brocade# show ip ig
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Multicast 8This issue is resolved b
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Multicast 83 Source: (158.158.158.1
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Multicast 8clear ip multicastSyntax
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MSDP 8Brocade# show ip msdp peerTot
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MSDP 8Brocade# debug ip msdp events
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PIM DM and PIM SM 8The Brocade devi
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PIM DM and PIM SM 8Brocade# show ip
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PIM DM and PIM SM 8Brocade# show ip
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PIM DM and PIM SM 8• If you want
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Security DiagnosticsChapter9This ch
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802.1x 9TX EAP Req other than Req/I
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802.1x 9Brocade# show dot1x mac-ses
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802.1x 9: 802.1X: port 4/1 BkEnd BK
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802.1x 9debug dot1x faultSyntax: [n
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Denial of Service attacks 9802.1X:
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Port loop detection 9show loop-dete
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Port mirroring and monitoring 9Port
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RADIUS 9Brocade# show aaaTacacs+ ke
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SNMP 9sFlow debug commandsThere are
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TACACS and TACACAS+ 9TACACS and TAC
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TACACS and TACACAS+ 9**Radius timer
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Telnet and SSH connections 9Brocade
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NTP 9Syntax: [no] clock summer-time
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NTP 9Number of NTP packets failed t
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IP security 9Oct 19 18:37:49 Leap 0
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IP security 9debug ipsec policySynt
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Forwarding DiagnosticsChapter10This
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Multicast VRF 10:Brocade# show ipv6
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Multicast VRF 10debug ip ospf all-v
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Trunking 10Port Names none nonePort
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MCT 10The following command output
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MCT 10Nov 23 08:39:03 CLUSTER CONFI
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MCT 10Nov 23 08:40:29 CLUSTER FSM:
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VPLS unicast forwarding 10SYSLOG: D
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GRE and IPv6 tunnels 10Common diagn
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GRE and IPv6 tunnels 10Normal keepa
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LP CPU packet statistics 10This com
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LP CPU packet statistics 10TABLE 6F
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LP CPU packet statistics 10TABLE 7
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LP CPU packet statistics 10TABLE 7
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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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