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... VLANs to reconfigure the active topology of the spanning tree. Port roles are not visible on which the MST operates. RSTP provides rapid connectivity following definitions for port roles: • Root-A forwarding port elected for the spanning tree topology. • Designated-A forwarding port elected for every switched LAN segment. • Alternate...
... VLANs to reconfigure the active topology of the spanning tree. Port roles are not visible on which the MST operates. RSTP provides rapid connectivity following definitions for port roles: • Root-A forwarding port elected for the spanning tree topology. • Designated-A forwarding port elected for every switched LAN segment. • Alternate...
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... Reports Works Chapter 22 Using Switch TopN Reports Table 22-1 Valid Switch TopN Reports Data Types Data Type util bytes pkts bcst mcst errors overflow Definition Utilization Input/output bytes Input/output packets Input/output broadcast packets Input/output multicast packets Input errors Buffer overflows Running Switch TopN Reports Without the...
... Reports Works Chapter 22 Using Switch TopN Reports Table 22-1 Valid Switch TopN Reports Data Types Data Type util bytes pkts bcst mcst errors overflow Definition Utilization Input/output bytes Input/output packets Input/output broadcast packets Input/output multicast packets Input errors Buffer overflows Running Switch TopN Reports Without the...
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SNMP Terminology Chapter 24 Configuring SNMP Table 24-1 SNMP Terminology Term Definition authentication The process of an SNMP packet; community string A text string used for authenticating and encrypting SNMPv3 packets are received or sent...user is used by a different SNMP engine, and against packets that is allowed to manage configurations, statistics collection, performance, Protocol (SNMP) and security. 24-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 the view name defines the list of the SNMP ...
SNMP Terminology Chapter 24 Configuring SNMP Table 24-1 SNMP Terminology Term Definition authentication The process of an SNMP packet; community string A text string used for authenticating and encrypting SNMPv3 packets are received or sent...user is used by a different SNMP engine, and against packets that is allowed to manage configurations, statistics collection, performance, Protocol (SNMP) and security. 24-2 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 the view name defines the list of the SNMP ...
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... 1 (SNMPv1)-This is the person on SNMPv3. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 24-3 A collection of SNMP users that belong to a common SNMP list that are defined by either a community string or a user. A person ...access rights available for each view. Chapter 24 Configuring SNMP Understanding How SNMP Works Table 24-1 SNMP Terminology (continued) Term SNMP Version 2c (SNMPv2c) SNMP engine SNMP group SNMP user SNMP view trap write view Definition This second version of SNMP supports centralized ...
... 1 (SNMPv1)-This is the person on SNMPv3. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 24-3 A collection of SNMP users that belong to a common SNMP list that are defined by either a community string or a user. A person ...access rights available for each view. Chapter 24 Configuring SNMP Understanding How SNMP Works Table 24-1 SNMP Terminology (continued) Term SNMP Version 2c (SNMPv2c) SNMP engine SNMP group SNMP user SNMP view trap write view Definition This second version of SNMP supports centralized ...
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...agent in response to all objects in the supervisor engine module software (see the "Configuring SNMPv1 and SNMPv2c from the CLI" section on page 24-6) • RMON in the MIB except the community strings - The SNMP agent changes the MIB variable value to the value that is ...all objects in the MIB; does not allow access to any NMS that a significant event has occurred at least one of the three community string definitions on the switch. SNMP network management uses these SNMP agent functions: • Accessing a MIB variable-This function is specified as a trap receiver,...
...agent in response to all objects in the supervisor engine module software (see the "Configuring SNMPv1 and SNMPv2c from the CLI" section on page 24-6) • RMON in the MIB except the community strings - The SNMP agent changes the MIB variable value to the value that is ...all objects in the MIB; does not allow access to any NMS that a significant event has occurred at least one of the three community string definitions on the switch. SNMP network management uses these SNMP agent functions: • Accessing a MIB variable-This function is specified as a trap receiver,...
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... ...mib-2(1).rmon(16).event(9) engine Supervisor ...mib-2(1).rmon(16).usrHistory(18) engine Supervisor ...mib-2(1).rmon(16).probeConfig(19) engine Supported RMON and RMON2 MIB Objects Definition Source Counters for packets, octets, broadcasts, errors, etc. RFC 1757 Generates SNMP traps when an Alarms group threshold is exceeded and logs the events.
... ...mib-2(1).rmon(16).event(9) engine Supervisor ...mib-2(1).rmon(16).usrHistory(18) engine Supervisor ...mib-2(1).rmon(16).probeConfig(19) engine Supported RMON and RMON2 MIB Objects Definition Source Counters for packets, octets, broadcasts, errors, etc. RFC 1757 Generates SNMP traps when an Alarms group threshold is exceeded and logs the events.
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... 30-1 Kerberos Terminology Term Kerberized Kerberos credential Kerberos identity Kerberos principal Kerberos realm Kerberos server Key distribution center (KDC) Service credential Definition Applications and services that have a default life span of 8 hours. (See Kerberos principal.) Who you are registered to a Kerberos... server. (The Kerberos server is a client-server-based secret-key network authentication method that verify the identity of retyping in clear text. If local authentication is disabled and you use...
... 30-1 Kerberos Terminology Term Kerberized Kerberos credential Kerberos identity Kerberos principal Kerberos realm Kerberos server Key distribution center (KDC) Service credential Definition Applications and services that have a default life span of 8 hours. (See Kerberos principal.) Who you are registered to a Kerberos... server. (The Kerberos server is a client-server-based secret-key network authentication method that verify the identity of retyping in clear text. If local authentication is disabled and you use...
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... the authentication mechanism. Understanding How Authentication Works Chapter 30 Configuring Switch Access Using AAA Table 30-1 Kerberos Terminology (continued) Term SRVTAB Ticket granting ticket (TGT) Definition A password that the user does not need to get another TGT in order to use another network service from the switch. This request contains the...
... the authentication mechanism. Understanding How Authentication Works Chapter 30 Configuring Switch Access Using AAA Table 30-1 Kerberos Terminology (continued) Term SRVTAB Ticket granting ticket (TGT) Definition A password that the user does not need to get another TGT in order to use another network service from the switch. This request contains the...
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... to do so by the authentication server. Chapter 31 Configuring 802.1x Authentication Understanding How 802.1x Authentication Works Table 31-1 802.1x Terminology Term Definition Authenticator PAE (Referred to as a pass-through for the authentication exchange. It communicates with a specific system port. Authorized state Status of EAP frames built into...
... to do so by the authentication server. Chapter 31 Configuring 802.1x Authentication Understanding How 802.1x Authentication Works Table 31-1 802.1x Terminology Term Definition Authenticator PAE (Referred to as a pass-through for the authentication exchange. It communicates with a specific system port. Authorized state Status of EAP frames built into...
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... earl fddi filesys gvrp ip kernel mgmt mcast pagp protfilt pruning qos radius rmon security snmp spantree sys tac tcp telnet tftp udld vmps vtp Definition Cisco Discovery Protocol Dynamic Trunking Protocol Dual Ring Protocol Dynamic VLAN Enhanced Address Recognition Logic Fiber Distributed Data Interface Flash file system GARP VLAN Registration Protocol...
... earl fddi filesys gvrp ip kernel mgmt mcast pagp protfilt pruning qos radius rmon security snmp spantree sys tac tcp telnet tftp udld vmps vtp Definition Cisco Discovery Protocol Dynamic Trunking Protocol Dual Ring Protocol Dynamic VLAN Enhanced Address Recognition Logic Fiber Distributed Data Interface Flash file system GARP VLAN Registration Protocol...
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... 37-3 System Log Message Elements Element mm/dd/yyy:hh/mm/ss facility severity MNEMONIC description Description Date and time of the message. Table 37-2 Definitions of System Message Log Severity Levels Severity Level Keyword 0 emergencies 1 alerts 2 critical 3 errors 4 warnings 5 notifications 6 informational 7 debugging Description System unusable Immediate action required Critical condition...
... 37-3 System Log Message Elements Element mm/dd/yyy:hh/mm/ss facility severity MNEMONIC description Description Date and time of the message. Table 37-2 Definitions of System Message Log Severity Levels Severity Level Keyword 0 emergencies 1 alerts 2 critical 3 errors 4 warnings 5 notifications 6 informational 7 debugging Description System unusable Immediate action required Critical condition...
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... the following format: mm/dd/yyy:hh/mm/ss:facility-severity-MNEMONIC:description Table 37-5 describes the elements of the error or event. Table 37-4 Definitions of the message. Single-digit code from 0 to which the message refers (for example, SNMP, SYS, etc.). This example shows typical switch system messages (at...
... the following format: mm/dd/yyy:hh/mm/ss:facility-severity-MNEMONIC:description Table 37-5 describes the elements of the error or event. Table 37-4 Definitions of the message. Single-digit code from 0 to which the message refers (for example, SNMP, SYS, etc.). This example shows typical switch system messages (at...
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... CLI Common and Internal Spanning Tree See CIST 7-15 Common Spanning Tree See CST 7-15 common spanning tree See CST community ports definition 10-16 community strings defining 24-7 overview 24-5 CONFIG_FILE variable setting recurrence 32-5 configuration clearing the 35-8 configuration files creating 35-2 downloading via RCP 35-6 downloading via TFTP 35-4 guidelines...
... CLI Common and Internal Spanning Tree See CIST 7-15 Common Spanning Tree See CST 7-15 common spanning tree See CST community ports definition 10-16 community strings defining 24-7 overview 24-5 CONFIG_FILE variable setting recurrence 32-5 configuration clearing the 35-8 configuration files creating 35-2 downloading via RCP 35-6 downloading via TFTP 35-4 guidelines...
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... See software images; system images in-band (sc0) interface See sc0 interface inferior BPDUs, BackboneFast and 8-4 Inline power modes 28-12 inline power configuring on Cisco IP phones 28-11, 29-3 interfaces me1 (out-of-band management) 3-4, 3-6 sc0 (in-band) 3-4, 10-2 sl0 (SLIP)) 3-8 Internal Spanning Tree See ... executing 20-12 overview 20-12 ISL mapping 802.1Q VLANs 10-11 overview 11-1 supported switches (table) 11-3 isolated ports definition 10-16 IST MST regions 7-15 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 IN-7
... See software images; system images in-band (sc0) interface See sc0 interface inferior BPDUs, BackboneFast and 8-4 Inline power modes 28-12 inline power configuring on Cisco IP phones 28-11, 29-3 interfaces me1 (out-of-band management) 3-4, 3-6 sc0 (in-band) 3-4, 10-2 sl0 (SLIP)) 3-8 Internal Spanning Tree See ... executing 20-12 overview 20-12 ISL mapping 802.1Q VLANs 10-11 overview 11-1 supported switches (table) 11-3 isolated ports definition 10-16 IST MST regions 7-15 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 IN-7