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NEC N8406-022 manual Common Internal Spanning Tree information, Command mode: All

Models: N8406-022

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Common Internal Spanning Tree information

Common Internal Spanning Tree information

The following command displays Common Internal Spanning Tree (CIST) information:

show spanning-tree mstp cist information

Command mode: All

Mstp Digest: 0xac36177f50283cd4b83821d8ab26de62

Common Internal				Spanning Tree:
VLANs: 1 3-4094
Current Root:					Path-Cost		Port MaxAge			FwdDel
8000 00:03:42:fa:3b:80						11	1	20		15
CIST Regional Root:					Path-Cost
8000 00:03:42:fa:3b:80						11
Parameters:			Priority		MaxAge	FwdDel		Hops
				32768	20		15	20
Port Prio Cost State					Role Designated Bridge				Des Port Hello Type
---- ---- ---- ------					---- --------------------- -------- ----- ----
1	128	2000		FWD	DESG 8000-00:03:42:fa:3b:80					8001	4 P2P, Edge
2	128		2000	FWD	DESG 8000-00:03:42:fa:3b:80					8002
3	128		2000	DSB
4	128		2000	DSB
5	128		2000	DSB
6	128		2000	DSB
7	128		2000	DSB
8	128		2000	DSB
9	128		2000	DSB
10	128		0	DSB
11	128		2000	FWD	DESG 8000-00:03:42:fa:3b:80
12	128		2000	DSB

In addition to seeing if Common Internal Spanning Tree (CIST) is enabled or disabled, you can view the following CIST bridge information:

•Status of Uplink Fast (upfast)

•CIST root

•CIST regional root

•Priority

•Maximum age value

•Forwarding delay

•Hops

Information Commands 29

Image 29

NEC N8406-022 manual Common Internal Spanning Tree information, Command mode: All

Contents

Command Reference Guide ISCLI N8406-0221Gb Intelligent L2 SwitchPart number: First edition: Jan Legal notices 2007 NEC CorporationContents Statistics commands Operations Commands ISCLI Reference Connecting to the switchIntroduction Additional referencesEstablishing a Telnet connection Setting an IP addressEstablishing an SSH connection telnet <1Gb Intelligent L2 Switch IP address>Accessing the switch Typographical conventions Idle timeoutping <IP address> show portchannel <1-12>|hash|informationshow ip interface show ip interfaceshow portchannel <1-12> show portchannel hashISCLI Command Modes Accessing the ISCLIISCLI basics Introductiontries> <msec delay> Global commands<max-hops><msec delay> exit or quitTab completion Command line interface shortcutsCommand abbreviation Introduction Information Commandsshow sys-info show layer2 informationSNMPv3 Information commands System Information commandsSNMPv3 View Table information SNMPv3 USM User Table informationCommand mode: All Command mode: AllCommand mode: All SNMPv3 Access Table informationSNMPv3 Community Table information SNMPv3 Group Table informationCommand mode: All Command mode: AllSNMPv3 Target Parameters Table information SNMPv3 Target Address Table informationCommand mode: All Command mode: AllCommand mode: All SNMPv3 Notify Table informationTable SNMPv3 Notify Table informationshow snmp-serverv3 Command mode: All SNMPv3 dumpCommand mode: All System informationCommand mode: All Show recent syslog messagesSystem user information show mac-address-table Layer 2 informationshow spanning-tree show spanning-treemstp cist informationShow all FDB information FDB information commandsClearing entries from the forwarding database address>show spanning-treestp <1-32> information Spanning Tree informationCommand mode: All Table 19 STP parameters •Status of Uplink Fast upfast Command mode: All Common Internal Spanning Tree information•Designated bridge and port •Hello interval •Port number and priority •Cost •State •Role•Link type and port type The following table describes the CIST parametersVLAN information Trunk group informationCommand mode: All Command mode: AllARP information Layer 3 informationshow ip arp show layer3 informationARP address list information IP informationShow all ARP entry information IGMP multicast router port information IGMP multicast group informationRMON Information RMON history informationCommand mode: All RMON alarm informationshow rmon alarm show rmon event RMON event informationCommand mode: All Link status information Port information Uplink Failure Detection information Logical Port to GEA Port mappingshow geaport Command mode: All show ufdCommand mode: All Information dumpPort Statistics Statistics commandsIntroduction <port number> ip-countersEthernet statistics Bridging statisticsCommand mode: All Command mode: Alldot3StatsFCSErrors dot3StatsAlignmentErrorsdot3StatsInternalMacTransmitError Table 33 Ethernet statistics for portCommand mode: All Interface statisticsTable 33 Ethernet statistics for port Table 34 Interface statistics for portCommand mode: All Internet Protocol IP statisticsTable 34 Interface statistics for port Table 35 IP statistics for portLink statistics Layer 2 statisticsFDB statistics Command mode: AllIP statistics Layer 3 statisticsCommand mode: All except User EXEC ARP statisticsTable 40 IP statistics Table 41 ARP statisticsICMP statistics DNS statisticsCommand mode: All except User EXEC The following command displays ICMP statisticsThe following command displays TCP statistics TCP statisticsCommand mode: All except User EXEC Table 43 ICMP statisticsThe following command displays UDP statistics UDP statisticsCommand mode: All except User EXEC Table 44 TCP statisticsIGMP Multicast Group statistics Management Processor statisticsUDP statistics The following command displays TCP statisticsTCP statistics show mp cpu CPU statisticsSNMP statistics Statistics Last update based on response from primary server NTP statisticsLast update time: 18:04:16 Tue Mar 13, Current system time: 18:55:49 Tue Mar 13,Command mode: All Uplink Failure Detection statisticsStatistics dump Saving the configuration Configuration CommandsSystem configuration Viewing and saving changescharacters multi-line> <’-‘to System host log configurationend> no banner <1-80characters>no logging log <feature> Secure Shell Server configurationssh scp-password ssh scp-enable<IP address> key <1-32 RADIUS server configurationcharacters> host <IP address> key <1-32TACACS+ server configuration ntp enable NTP server configurationno ntp enable no ntp prisrv <IP address>characters> System SNMP configuration<1-64characters> <1-64characters>SNMPv3 configuration <password> User Security Model configurationprivacy-password <password> snmp-serveruser <1-16>View-basedAccess Control Model configuration SNMPv3 View configurationname <1-32characters> 128>SNMPv3 Community Table configuration SNMPv3 Group configuration<1-32> user-name <1-32characters>SNMPv3 Target Parameters Table configuration SNMPv3 Target Address Table configuration<IP address> name <1-32 characters>System Access configuration SNMPv3 Notify Table configurationManagement Networks configuration name <1-32characters>User ID configuration User Access Control configuration<1-10> password <1 <1-10> enableno access https HTTPS Access configurationenable access https port <TCPTemporarily disabling a port Port configurationname <1-64characters> number>Port link configuration Layer 2 configurationnumber> vlan <1-4095><1-32characters> spanning-treemstpCIST bridge configuration Common Internal Spanning Tree configurationCIST port configuration spanning-treestp <1-32>enable Spanning Tree configurationenable default spanning-tree <1-32>spanning-treestp <1-32> Bridge Spanning Tree configurationbridge priority <0-65535> spanning-treestp <1-32>bridge hello-time <1-10><1-32> Spanning Tree port configurationTrunk configuration Forwarding Database configurationStatic FDB configuration address> <VLAN> <port>VLAN configuration Layer 3 configurationname <1-32characters> member <port number>Default Gateway configuration IP interface configurationip address <IP address><IP netmask>IGMP configuration Address Resolution Protocol configurationIGMP snooping configuration 600>IGMP filtering configuration IGMP static multicast router configuration<1-4095> <1-2> number> <1-4095> <1-2>IGMP filtering port configuration Domain Name System configurationIGMP filter definition multicast address> <IP multicastRMON history configuration Remote Monitoring configurationRMON event configuration <1-127characters>oid <1-127characters> RMON alarm configurationlimit <-2147483647to 2147483647>Port mirroring Uplink Failure Detection configurationPort-basedport mirroring number> mirroring-port <port number>Failure Detection Pair configuration Configuration DumpLink to Monitor configuration Link to Disable configurationRestoring the active switch configuration Saving the active switch configurationSwitchconfig# copy running-configtftp Switchconfig# copy tftp running-configOperations-levelport options Operations CommandsIntroduction <port number> shutdownUpdating the switch software image Boot OptionsDownloading new software to the switch IntroductionSelecting a software image to run Uploading a software image from the switchRouterconfig# boot image image1|image2 Switch# copy <image1|image2|boot-image>tftpAccessing the AOS CLI Selecting a configuration blockResetting the switch System maintenance Maintenance CommandsForwarding Database maintenance IntroductionDebugging options ARP cache maintenanceclear flash-config debug mp-traceIGMP Mrouter maintenance IGMP Snooping maintenanceUuencode flash dump address>TFTP system dump put Panic commandClearing dump information >> Switch# debug panicbefore another dump can be saved Unscheduled system dumpsIndex