Switches Flashcards
1
Q
What are the three switch classifications?
A
Workgroup, Desktop Switch, and Backbone Switch.
2
Q
What is CAM?
A
Content Addressable Memory
3
Q
How large is CAM?
A
4K upgradable to 8K
4
Q
What does CAM do?
A
Stores MAC addresses
5
Q
What is the MPM?
A
Management Processor Module
6
Q
How can MPM be summarized?
A
The brain of the Omnistack
7
Q
Which files comprise the Omnistack software?
A
mp4.cmd, mp4.img, em4.img, ae4.img, mpm.cnf, mpm.cfg
8
Q
What is the mp4.cmd file?
A
Startup file
9
Q
What is the mp4.img file?
A
MPM operating system
10
Q
What is the em4.img file?
A
8 port Ethernet driver
11
Q
What is the ae4.img file?
A
ATM driver
12
Q
What is the mpm.cnf file?
A
configuration file
13
Q
What is the mpm.cfg file?
A
configuration file
13
Q
What are the top level menu items?
A
File, Summary, VLAN, Networking, Interface, Security, System, Services, Switch, Help
14
Q
How is the File UI menu used?
A
Manage system files
15
Q
How is the Summary UI menu used?
A
Display summary information for VLANs, bridge, interfaces, etc.
16
Q
How is the VLAN UI menu used?
A
VLAN management
17
Q
How is the Networking UI menu used?
A
configure/ view network parameters for managing networking protocols
18
Q
How is the Interface UI menu used?
A
View/configure physical interface parameters to manage ATM and Fast Ethernet uplink modules
19
Q
How is the Security UI menu used?
A
Configure system security parameters (changing a password, rebooting a system)
20
Q
How is the System UI menu used?
A
View/set system parameters (switch contents, configuring serial ports, CAM information)
21
Q
How is the Services UI menu used?
A
View/set ATM service parameters
22
Q
How is the Switch UI menu used?
A
Provides options to define frame translations
23
Q
How is the Help UI menu used?
A
Provides textual help on how to use the UI and on each menu/submenu
24
What does the load command do?
Used to download (binary mode) system software using a serial interface.
25
What does the ftp command do?
Used to download from an ftp server or upload to another server.
26
What does the pwd command do?
Displays the name of the current working directory. Default is /flash
27
What does the ls command do?
Lists the files and directories
28
What does the rm command do?
Removes a file
29
What does the cp command do?
Copies a file
30
What does the view command do?
Displays a file on your terminal
31
What does the edit command do?
Enters the submenu of buffer edit commands
32
What does the imgcl command do?
Removes files from the flash of the OmniStack (by default, removes the mp4.img file and all files with the .img suffix)
33
What does the ss command do?
Displays MIB-II system group variables
34
What does the sc command do?
Displays chassis summary information
35
What does the si command do?
Displays current interface status information
36
What does the info command do?
Displays basic information on the switch
37
What does the dt command do?
Used to view or set the system time
38
What does the ser command do?
Used to configure the OmniStack serial port parameters
39
What does the mpm command do?
Displays mpm information
40
What does the slot command do?
Used to view slot table information
41
What does the systat command do?
Used to view statistics related to system, power and environment information
42
What does the memstat command do?
Used to view memory statistics
43
What does the fsck command do?
Performs a file system check of the /flash file system
44
What does the newfs command do?
Removes a complete /flash file system and all files within it. It then creates a new /flash file system which is empty
45
What does the syscfg command do?
Used to view or configure OmniStack information (description, location, name)
46
What does the camstat command do?
Allows you to view information andusage of the content addressable memory (CAM)
47
What does the camcfg command do?
Allows you to individually allocate CAM space to switching modules
48
What does the selgp command do?
Selects the group to perform bridge operations on
49
What does the flc command do?
Allows you to set the flood limit on a per Group basis. This limit is a mechanism for controlling broadcast storms on the network
50
What does the fls command do?
View the current flood limits set for Groups
51
What does the sts command do?
Displays Spanning Tree parameters and Spanning Tree port parameters
52
What does the stc command do?
Used to configure parameters for the Spanning Tree
53
What does the stps command do?
Display the Spanning Tree Port parameters
54
What does the stpc command do?
Used to configure port parameters for the Spanning Tree
55
What does the fwt command do?
Used to display the MAC addresses and their forwarding and filtering information of a given group. The information in the table is used by the transparent bridging function in determining how to propagate a received frame
56
What does the fs command do?
View static bridge address information
57
What does the fc command do?
Used to configure static bridge address information
58
What does the bps command do?
Displays statistics on the bridge port
59
What does the macinfo command do?
Displays MAC information
60
What does the rts command do?
Displays a table of the remote trunking stations learned by the switch
61
What does the gp command do?
Views the lists of Groups currently defined
62
What does the crgp command do?
Used to create a group
63
What does the modvl command do?
Used to modify a VLAN
64
What does the rmgp command do?
Used to remove a Group
65
What does the via command do?
Used to view ports assigned to a selected Group
66
What does the vi command do?
Used to view information on a specific virtual port
67
What does the vs command do?
Used to view statistics on a virtual port attachment
68
What does the ve command do?
Used to view errors on a virtual port attachment
69
What does the addvp command do?
Used to add ports to a Group
70
What does the modvp command do?
Used to modify existing VPORT configuration information
71
What does the rmvp command do?
Used to remove ports from a Group
72
What does the br command do?
Used to enter the Bridge Configuration/Parameter submenu
73
What does the at command do?
Used to enter the AutoTracker submenu
74
What does the cratvl command do?
Creates AutoTracker VLANs
75
What does the modatvl command do?
Modify the definition of a VLAN
76
What does the rmatvl command do?
Deletes an AutoTracker VLAN
77
What does the atvl command do?
View the current status of all AutoTracker VLANs in the switch
78
What does the viatrl command do?
Brings up the Policy Configuration Table, which shows the policies defined for a specified VLAN
79
What does the vivl command do?
View the VLAN membership of each virtual port in the switch.
80
What does the fwtvl command do?
Displays a table of learned MAC addresses and the VLAN membership of those MAC addresses. You can view information for a specific slot and port, or for all ports in a switch
81
What does the defvl command do?
Configure/view membership of devices in the Default VLAN
82
What does the crmcvl command do?
Create Multicast VLANs
83
What does the mcvl command do?
View current status of all Multicast VLANs in the switch
84
What does the vimcrl command do?
View current multicast VLAN policies and their status
85
What does the rmmcvl command do?
Delete a multicast VLAN
86
What does the modmcvl command do?
Modify a multicast VLAN definition
87
What does the vimcvl command do?
View the multicast VLAN membership of each virtual interface in the switch
88
What does the vlap command do?
Turn VLAN advertisement protocol ON or OFF
89
What does the gmstat command do?
Turn Group mobility status ON or OFF
90
What does the vpl command do?
View Virtual Ports in a Mobile Group
91
What does the vigl command do?
View Mobile Group list for a Virtual Port
92
What does the cats command do?
Create Auto-Activated Services
93
What does the data command do?
Delete Auto-Activated Services
94
What does the vats command do?
View Auto-Activated Services
95
What does the vag command do?
View Authenticated Groups
96
What protocols are supported by the OmniStack?
RIP, ICMP, UDP, TCP, TELNET, SNMP, and SLIP
97
What does the snmps command do?
Displays the SNMP statistics
98
What does the snmpc command do?
Configures SNMP parameters
99
What does the names command do?
Takes you to the Names submenu. The one command in this submenu, res, is used to view and configure the Domain Name Server (DNS) resolver
100
What does the probes/events command do?
Used to monitor, activate, and inactivate probes and events for Remote Network Monitoring (RMON)
101
What does the ip command do?
Used to switch to the IP submenu
102
What does the xlat command do?
Used to display the address translation (ARP) table
103
What does the ips command do?
Used to monitor datagram traffic and errors in the switch. The command displays cumulative IP statistics and errors
104
What does the ipr command do?
Displays the IP routing table. The information shows the routes entered by a routing protocol and all the static routes that you may have entered
105
What does the aisr command do?
Used to add static routes to the switch
106
What does the risr command do?
Used to remove static routes from the switch
107
What does the icmps command do?
Used to monitor ICMP activity
108
What does the ping command do?
Used to test the reachability of network destinations by sending an ICMP echo request to the destinations, then waiting for a reply to the request to arrive
109
What does the udps command do?
Used to display UDP statistics and errors
110
What does the udpl command do?
Used to display the UDP Listener Table
111
What does the rips command do?
Used to display RIP statistics and errors
112
What does the tcps command do?
Used to monitor TCP traffic activity and check TCP configuration parameters
113
What does the tcpc command do?
Used to check the current TCP connections available in the TCP Connection Table
114
What does the telnet command do?
Used to connect to another system
115
What does the traceroute command do?
Used to find the IP route from the local switch to a specified destination
116
What does the relay command do?
Used to configure the BootP/DHCP relay
117
What does the fwconfig command do?
Used to configure the IP firewall (the IP firewall feature is offered as an optional upgrade to Xylan switches)
118
What does the ripflush command do?
Used to flush all routes obtained by RIP (all routes, with the exception of static and direct routes)
119
What does the ipfilter command do?
Used to add/delete an IP RIP filter
120
What does the ipf command do?
Displays IP RIP filters
121
What does the vap command do?
View the configuration of the ATM ports
122
What does the map command do?
Allows you to modify an ATM port configuration
123
What does the vvc command do?
Allows you to view Virtual Channel Connections
124
What does the cvc command do?
Used to create new Virtual Channel connections.Use this command only if you create connections that will be assigned to ATM services at a later time.
125
What does the mvc command do?
Used to modify a virtual channel connection.
126
What does the dvc command do?
Used to delete a virtual channel connection
127
What does the vva command do?
Used to view a virtual ATM address
128
What does the cva command do?
Used to create a virtual ATM address
129
What does the mva command do?
Used to modify a virtual ATM address
130
What does the dva command do?
Used to delete a virtual ATM address
131
What does the vls command do?
Brings up a view of the ATM Layer Statistics Table
132
What does the vlrs command do?
Displays the ATM Layer RX (Receive) Error Statistics Table
133
What does the vlts command do?
Displays the ATM Layer TX (Transmit) Error Statistics Table
134
What does the vcs command do?
View the ATM Connection Statistics Table. (Only connections in use are displayed.)
135
What does the vcrs command do?
View the ATM Connection Rx Error Statistics Table
136
What does the vcts command do?
View the ATM Connection Tx Error Statistics Table.
137
What are the five ATM services?
LANE, ATM Trunking, Classical IP, PtoP Bridging, and VLAN Clusters
138
What are the two options for encapsulation in PtoP Bridging?
RFC 1483 and OmniStack Encapsulation
139
How many Bridging services can an ATM port support
16
140
What does the cas command do?
Used to create aservice
141
What does the mas command do?
Used to modify a service
142
What does the das command do?
Used to delete a service
143
What does the vas command do?
Used to view a service
144
What does the vlat command do?
View the ATM LANE LE-ARP table
145
What does the vss command do?
View the ATM service statistics
146
What is ATM trunking?
Allows VLANs to be extended across multiple OmniStacks
147
What is PtoP Bridging?
Provides a service that allows two groups to communicate across an ATM infrastructure using a single VC
148
PtoP Bridging - SVC or PVC
Both
149
What state is the OK1 LED in when file compaction is in progress?
Alternating green and amber
150
What does a solid amber OK 2 light indicate?
Software was not loaded successfully
151
What is S1?
The management module (referred to in the UI and CLI as MPM)
152
What is S2?
The uplink module (If I'm not mistaken that's were the daughter card goes)
153
What are S3, S4, etc...?
Device connection modules
154
On the front panel of the OSASM2-155FM/FS-1 ATM submodule, what does it indicate when the RED alarm is on amber
When a receive error occurs. A receive error occurs when a port is persistently losing frames or when a cable is not inserted
155
What does VAP stand for?
VLAN Advertisement protocol
