VBrick Systems 7000 manual

VBric k v2.0 H.264 Appliance Admin Guide September 10, 2009 4410-0253-0002 VBric k 7000 Series Netw ork Video Appliances[...]

Copyright © 2009 VBrick Systems , Inc. All rights reserved. 12 Beaumont R oad W allingford, Connecticut 06492, USA www .VBrick.com This pu blication contains c onfidential, proprietar y , an d trade secret infor mation. No par t of th is document may be copied, photocopied, re produced, transl ated, or reduced to any machine-readable or electron i[...]

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VBrick H.264 Appliance Admin Guide iii Contents H.264 Admin Guide Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii G[...]

iv Contents P assthrough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 6 SNMPv3 P assw ords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 SNMP T raps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

VBrick H.264 Appliance Admin Guide v T race Route T est Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Device T ests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1 Maintenance Mode . . . . . . . . . . . . . . . . [...]

vi Contents[...]

VBrick H.264 Appliance Admin Guide vii H.264 Admin Guide Pref ace This document explains how to configure a VBric k H.264 netw ork video appliance. It provides detai led infor mation about all configurable applia nce options and parameters . T he VB Admin management application is used for al l configuration tasks . VBAdmin is a bro wser- based app[...]

viii Preface Support Ser vices "On-Line Support" page at www .vbrick.co m/support/index.asp or cal l 1 203 303-0222 in W allingford, CT , USA to speak with a VBrick representative . Note that the latest documentation and infor mation for all VBrick products is av ailable online at www .vbrick.com/documentation Fo n t C o n v e n t i o n s[...]

VBrick H.264 Appliance Admin Guide 1 Chapter 1 Introduction Topics in this section Home . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 VB Admin Ov er view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

2 © 2009 VBrick Systems , Inc . Figure 2. VB Admin Home P age VBAdmin LEDs The colored LEDs in the middle of the page gi ve you a quic k snapshot of the health and status of the appl iance. These indic ators are dynamica lly refreshed ev ery five se conds and giv e you an up-to-the-minute snapshot of the cur rent status . Log g ed in as The user w[...]

Introducti on VBrick H.264 Appliance Admin Guide 3 VBAdmin Ov er view VBAdmin is explained in detail in th e H.264 Appliance Getting Started Guide . The H.264 Appliance has an integ rated management interf ace (VBAdmin) that lets you manag e VBrick configuration from an external browser . T his allows netw ork managers to remotely configure and mon[...]

4 © 2009 VBrick Systems , Inc . 2. Login to VB Admin with a valid user name an d passw ord (case-sensitiv e), and then click the Log In button. The default user name and password is admin and admin . It is highly recommended t hat yo u use the Maintena nce pages in VB Admin to c hange the user name and passw ord. The user name and passw ord ca nno[...]

Introducti on VBrick H.264 Appliance Admin Guide 5 Video Configuration On the Video/A udio Configuration pages you define the relationshi p betw een ph ysical audio/video connectors and audio/video sour ces and the relationshi p between audio/video sources and the prog ram. In most cases this is ve r y s i mp l e b ec a u se t h e hardware allo ws [...]

6 © 2009 VBrick Systems , Inc . These names will replace th e generic names sh o wn in the dropdown list at the to p . F or example Desti nation 1 will be replaced by the gi v e n name of the destination. T he Select Video Rate and Select Audio Rate dropdowns sho w only Video and A u dio Rates1 and None in this release . These fields can be used t[...]

VBrick H.264 Appliance Admin Guide 7 Chapter 2 System Configuration Topics in this section Netw ork . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

8 © 2009 VBrick Systems , Inc . Network DHCP Default - E nabled. Dyna mic Host Configuration Protocol – (Enable, Disable). On Ethernet mo dels , if DHCP is enabled, the VBrick gets its IP Address and Subnet Mask from the DHCP ser ver . If the DHCP ser ver s upplies the Gate wa y Address or DNS ser ver address , these para meters will re place th[...]

System Configuration VBrick H.264 Appliance Admin Guide 9 Domain Name Ser v er Netw ork Time Synchr onization These fields are used to syn chronize ne two rk time using the host name or IP address of a known server to provide a sync hronized ti me for all appliances in the network. Netw ork Interface T ype Half Duplex, Full-Duplex, or A utomatic . [...]

10 © 2009 VBrick Systems , Inc . General System Identification The Name, Location, and Contact fields are used to identify the appliance . They ar e not cha ng e d w he n you cl ick Defau lt . (They ar e changed when you reset to the defaults on th e Manage Configuration pag e.) Secondar y Ser ver IP Address Secondary host na me (VBrick Host Name [...]

System Configuration VBrick H.264 Appliance Admin Guide 11 System Time System Mode System Reset Fr o n t Pa n e l The p arameters shown here ar e used to c onfig ure the appearance and behavior of the front panel. Access to front panel Configuration Mode is restrict ed by Pin n umber . Pin numbers (default = 0000 ) are defined on the User names &am[...]

12 © 2009 VBrick Systems , Inc . Config Mode Use this option to allo w or prevent user s from making configuration changes via the front panel. If disabled, users (in Function mode) can still r un scripts from the front panel using the F1–F4 function key s. Display IP Address Check to displa y th e appliance IP address on LCD panel. Displa y Hos[...]

System Configuration VBrick H.264 Appliance Admin Guide 13 User names & P ass w ords Use this page to define user names and pass w ords and their corresponding per missions with respect to the appliance . (T able 2 shows the de fault user names , passwords , and per missions .) It also lets you assign a Pin number that will al low direct access[...]

14 © 2009 VBrick Systems , Inc . T able 2. Default Use r Names and P asswor ds Mana ge Configuration This pag e lets you reset some or all of the para meters in the appliance configuration. It also lets yo u read an d sav e the cu rrent configuration to an .xml file and restore that configuration if necess ar y . Manag e configurat i on includes t[...]

System Configuration VBrick H.264 Appliance Admin Guide 15 Read System Configuration This fu nction le ts you read conf iguration parameters from the VB rick appliance to a file, as well as write configuration parame ters from a file to the VBrick. The fi le is an .xml fi le and Internet Explorer is th e assumed bro wser . Note that the VBric k app[...]

16 © 2009 VBrick Systems , Inc . Figure 4. Sample VBrick Configuration File Restore System Configuration This function lets you write configuration para meters from an .xml file to th e VBrick appliance. On a successful r estore, all parameters will be sa ved to f lash and the appliance will reboot. Only administrator -lev el users and abov e hav [...]

System Configuration VBrick H.264 Appliance Admin Guide 17 configure a parameter on an appliance (or more likely a set of param eters) you sim ply point the URL to a ser ver with an .xml configur ation file . This is useful, for example, to set the audio and video rates when the VB rick appliance is behind a fi rewall and cannot be accessed remotel[...]

18 © 2009 VBrick Systems , Inc . Adv anced Configurations The functions in this section are g enerally us ed b y system administ rators to configure management parameters . These pa rameters should not be chan ged except by k nowledgeable systems admini strators . Advanced configurations include the following . Management SAP . . . . . . . . . . .[...]

System Configuration VBrick H.264 Appliance Admin Guide 19 T ransmit Enable Controls the transmission of the Management SAPs (Enable or Disable). Group Name Optional. T his parameter defines the Group Name. It is included in the Management SAPs used by VBDirector y . It is used for o rg anizing VBricks into groups to simplify use of VBDirector y . [...]

20 © 2009 VBrick Systems , Inc . Security Note If you disable T elnet, FTP , VBAd min, the Front P anel, and SNMP , the only way to manage (and re-enable) these parameters is to connect a PC to the appliance with a serial cable and us e the Command Line Int e rface. Y ou should never disable all the netw ork management interfaces if you are using [...]

System Configuration VBrick H.264 Appliance Admin Guide 21 Exter nal SSH Ser ver Default = Enable d. SSH (Secure Shell) is a replacement for T e lnet. It allows data to pass betw ee n tw o netw orked d evices using a secure ch annel. No Login F or Viewer Files Default = Enabled. If e nabled the VBrick will ser ve a transmitter's SDP file witho[...]

22 © 2009 VBrick Systems , Inc . Improving Security Y ou can impro ve securi ty by (1) bloc king unauthorized attempts to login and access a device and (2) by reducing expo sure to malicious software at tacks . T he most common vulnerabil ity is related to user accounts and passwor ds . After a successful installation, y ou should immediately c ha[...]

System Configuration VBrick H.264 Appliance Admin Guide 23 Ev ent T riggering Y ou can create and r un scripts to activ ate certain functions on a VBrick appliance . There are tw o wa ys to r un scripts on an appliance. (1) Y ou can r un scripts for test purposes using the Log Time Zone Deter mines the time zone wher e the unit is loc ated. The tim[...]

24 © 2009 VBrick Systems , Inc . Run Script button in VB Admin or (2) you can use an external event trigg er (see "Eve nt T rig g ering" in the VBrick Appliance Getting Started Guide ) to r un a script. T here are four event trigg er scripts , with fix ed names , that ca n be created and stored in flash memor y in the /scripts folder . Y[...]

System Configuration VBrick H.264 Appliance Admin Guide 25 Run Scripts Using Ev ent T rig gers The event trigg ering feature lets y ou use an external switc h or pow er source to cont rol the functions of the VBrick applian ce. See "Ev ent T rig g ering" in the VBric k Appliance Getting Started Guide for more infor mation. Sample Script T[...]

26 © 2009 VBrick Systems , Inc . • There is no chaining of scripts . • Comments are not allowe d on th e same line as a command. • All scripts are exec uted in a strictly se rial manner b y a single task. • While executing a script it is possible to miss a double change of any ev ent. P assthr ough The TCP/IP network can ser ve as an inter[...]

System Configuration VBrick H.264 Appliance Admin Guide 27 P assthrough State: R esponder P assthrough State R esponder – In this case th e VBric k will accept a connection request (up to 64 conne ction requests). Baud Rate Rate of P assthrough port. Rate can be set to the follo wing (Default = 9600): 110, 300, 600, 1200, 2400, 3600 , 4800, 7200,[...]

28 © 2009 VBrick Systems , Inc . Pa s s t h r o u g h S t a t e : I n i t i a t o r Operational State Describes the curr ent status of a P assthrough connection, including error conditions, if any . Re fer to the Monitor > Netw ork page. This will display "Active" if in P assthrough mode. P assthrough State Initiator – In this case [...]

System Configuration VBrick H.264 Appliance Admin Guide 29 SNMPv3 Pa ssw ords Us e t hi s p ag e to ma nag e SN M P p as sword s. T he sa me fi el ds ar e u se d t o d ef in e p as swor ds fo r all users . DTR Control F orce OFF , Force ON or Automatic . If automatic, the contro l will be ON when P assthrough is activ e . See note above . COM Inter[...]

30 © 2009 VBrick Systems , Inc . SNMP T raps VBrick supports SNMP v2 and SNMP v3 trap s . SNMP traps are a subset of the SNMP management component of the VBrick. Use of any element of the SNMP management system requires use of an SNMP browser or SN MP manag er application (not supplied). The SNMP MIB , which formally defines the SNMP interface to [...]

System Configuration VBrick H.264 Appliance Admin Guide 31 T able 3. T rap Summary A uthentication P asswo rd Enter passw ord. Cannot ex ceed 20 characters . May include any combination of alphan umeric c haracters but only the followin g special charact ers: ~ ! # $ ^ * + & [ ] { } | < > A uthentication Protocol Select protocol: MD5 or S[...]

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VBrick H.264 Appliance Admin Guide 33 Chapter 3 Video/A udio Configuration Topics in this section Video . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 A udio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

34 © 2009 VBrick Systems , Inc . Note This rele ase is "HD-Ready ." T his me ans it acce pts HD video inputs but scales the output to standard definition resolu tions (720x480 or 720x576) or les s . How is Video connected? Figure 5 shows the video input conne ctors on th e rear panel. Select the option that matc hes yo ur video input. If[...]

Video/Au dio Configuration VBrick H.264 Appliance Admin Guide 35 Vid eo T e mp la te Se tti ng s The lower area of th e Video page has a set of parameters that can be controlled by pre- configured templates . Use the Load Template button to populate the Video T emplate Settings with pre-configured video values (or select None ). The video settings [...]

36 © 2009 VBrick Systems , Inc . † In general, star t in l eft column and read fro m left to right. †† Default template. Fram e R at e Frame Rat e NTSC inputs (30 or 60fps) 30 30 30 30 15 15 10 1 P AL inputs (25 or 50fps) 25 25 25 25 10 10 5 1 IDR 44 4 4 4 4 4 0 Profile Baseline Baseline Main Main Main Main Main Main De-blocking yy y y y y y[...]

Video/Au dio Configuration VBrick H.264 Appliance Admin Guide 37 T able 5. Video Encoding R esolutions Ta r g e t F r a m e R a t e (frames/sec) • NTSC: 30, 15, 10, 7. 5, 6, 5, 3, 2, 1, 0.5. Defaul t = 30. •P A L : 25, 12.5, 5, 2.5, 1, 0.5. Default = 25. This number represents how many frames the VBrick will send out each second to carr y the v[...]

38 © 2009 VBrick Systems , Inc . Audio The audio circuit on the H.264 en coder uses mix ed signal tec hnology (a combination of analog and digital signals). T he encode r has tw o audio inpu t connectors labeled Main and Aux . The input signals can be either balanced or unbalanced and each has a usable v oltage range up to 10 dbU . V arious channe[...]

Video/Au dio Configuration VBrick H.264 Appliance Admin Guide 39 Note In this release of the H.264 applia nce there is on e video source an d one audio source. The audio source can be on e of the audio jac ks or both jac ks . Also note that there is one program consisting of the audio source and/or the video source. How is Audio Connected? The audi[...]

40 © 2009 VBrick Systems , Inc . What is the Audio Source The audio output mode can be config ured to 1 of 3 possible settings: • Stereo – Stereo directs the input le ft channel to the left c hannel in the audio stream and the input righ t c hannel to the right c hannel in the audio stream. In this mode, the encoder expects that the two channe[...]

Video/Au dio Configuration VBrick H.264 Appliance Admin Guide 41 Audio T emplate Settings The lower area of th e Audio page has a set of parameters that can be controlled b y pre- configured templates. Use the Load Template button to populate the Au dio T emplate Settings with pre-configured audio values . The audio templates var y depending on the[...]

42 © 2009 VBrick Systems , Inc . † Based on Audio Source. †† Default template. High Quality V oice Off 24k 56k 28k Standard V oice Off 16k 32k 18k T emplate This read- only field shows the template (if any) that is currently applied. If a t emplate is applie d, it will display Parameters Match or Parameters Do No t Match (depending on whethe[...]

VBrick H.264 Appliance Admin Guide 43 Chapter 4 Prog ram Configuration A prog ram is a wa y to g roup a video and/or audi o source that is encoded and s treamed ov er the netw ork. A pr ogram re pr esents a video and/or associated audio source. This software release supports one prog ram. As explained on the fo llowing pages , the appliance support[...]

44 © 2009 VBrick Systems , Inc . T able 7. TOS Settings Number of Prog ra ms Av a i l a b l e Re ad-only . T his release suppor ts one prog ram. Maximum R TSP Clients 0–202. Default = 20 0. Maximum RTSP Bandwidth 0–1000000000. Default = 20000000. Announce IP Address for Tr a n s m i t t e r s Default IP address to which transmitter anno unceme[...]

Prog ram Configuration VBrick H.264 Appliance Admin Guide 45 Example T o set the T ype of Ser vice to all 0s enter 0. T o set the T ype of Ser vice to all 1's , enter 255. IP Differentiat ed Ser vi ces redefine h ow the histor ical TOS field is used. Diffser v allows IP netw orks to provide certain Qual ity of Service features . Note: If uncer[...]

46 © 2009 VBrick Systems , Inc . The Advanced Settings are used to de fine co mmon s ession anno uncement i nfor ma tion for all streams (destinations) associated with a prog ram. Figure 7. Prog rams: Part 2 – Advanced Settings Program Name Lets you define a descript i ve name for the program which is added to the announce ment. This announcemen[...]

Prog ram Configuration VBrick H.264 Appliance Admin Guide 47 Tr a n s m i t t e r S e t t i n g s The transmitter settings defined here are use d for all streams associated with a pro g ram. A uthor A string in the announcement that can be used to iden tify the author . This string is shown in Stream Pla yer . Default = "My Aut hor ." Cop[...]

48 © 2009 VBrick Systems , Inc . Ser ver Settings The ser ver settings defined here are used for all st reams associated with a prog ram. T ransmitter s A transmitter pushes the stre am to a configured destination. The destination may be a single endpoint in the cas e of a unicast, or multip le endpoints in the case of m ulticast. The transmitter [...]

Prog ram Configuration VBrick H.264 Appliance Admin Guide 49 transmittin g (in the case of m ulticast) and transmits if the client is r eachable and listening (in the case of unicas t). The stre ams are transmitted across the network via the R TP protocol encapsulated in UDP . Y ou can configure up to 25 transmitters per program. Each transmitter c[...]

50 © 2009 VBrick Systems , Inc . Figure 8. T ransmitters: Part 1 – St andard Settings SDP File URL Click to pla y (open) or sav e the .sdp file . The .sdp file is retrieved via the HTTP ser ver on the appliance . P a ste this URL into a bro wser to launc h the stream "out-of- band" using the .sdp file. The URL address for the .sdp file[...]

Prog ram Configuration VBrick H.264 Appliance Admin Guide 51 Announce Settings This section contains parameters t h a t a r e u s e d t o m o d i f y a n n o u n c e m e n t s f r o m t h e a p p l i a n c e . Announcements are adver tisement packets that ar e transmitted by VBrick appl iances to other VBrick appliances and VBric k applications suc[...]

52 © 2009 VBrick Systems , Inc . Figure 9. T ransmitters: P a rt 2 – Advanced Settings Exter nal Announce Settings These settings configure an exter nal announcem ent that can be used when the stream is reflec ted to a third-par ty ser ver or a (future) VBrick reflector. Announce This section is used to announce the RTSP streams to the local net[...]

Prog ram Configuration VBrick H.264 Appliance Admin Guide 53 Serv ers The H.264 appliance is also a streaming server and can be controlled b y a remote decoder client via RTSP and RTCP protocols . In ser ver mode, a ser ved pr ogram does not become active on the network until requested by a client. The clie nt may be a software pla yer like StreamP[...]

54 © 2009 VBrick Systems , Inc . Click Here to Play Stream Edit Mode/R ead-only . Shown in Edit mode only if the ser ver is enabled. Clic k once to launc h the stream in the Quic kTime plugin (using the SDP file). This link will work only with QuickTime 7.0 or higher. If Quic kTime is not installed, you will be prompted to download the app licatio[...]

Prog ram Configuration VBrick H.264 Appliance Admin Guide 55 Announce Settings This section contains parameters t h a t a r e u s e d t o m o d i f y a n n o u n c e m e n t s f r o m t h e a p p l i a n c e . Announcements are adver tisement packets that ar e transmitted by VBrick appl iances to other VBrick appliances and VBric k applications suc[...]

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VBrick H.264 Appliance Admin Guide 57 Chapter 5 Monitor These pages let y ou moni tor the sta tus of v arious system, netw ork, and appliance components . They also provide access to the system logs and program status . All Monitor pages are read-only and cannot be edited. Topics in this section System . . . . . . . . . . . . . . . . . . . . . . . [...]

58 © 2009 VBrick Systems , Inc . System Infor mation System Model Displays the hardware model n umber of the appliance . Hardware R evision XX-YY . XX = Hardware R evision. YY = CPU R evision. Boot R evision Displays current boot revision. OS Code R evision Displays current OS code revisio n. Application Code R e vision Displays the revisi on nu m[...]

Monitor VBrick H.264 Appliance Admin Guide 59 Manufacturing Infor mation Figure 11. Monitor : System – Part 2 System Date & Time Re ad-only . Set date and time on System Configuration > General page. User Infor mation V ersion As displa yed. P art Number VBrick part numb er of appliance. Box Serial Number As displa yed. Customer Class As d[...]

60 © 2009 VBrick Systems , Inc . System Restar t This table (see Figure 11) trac ks the date , time, an d restart type (pow er or reset) of al l system restarts. Netw ork Netw ork Time Synchr onization DHCP Status Sho ws DHCP st atus from System Configuration > Netw ork pag e. COM P assthrough Operational State The cur rent operational state of[...]

Monitor VBrick H.264 Appliance Admin Guide 61 Vid eo / Au d io Vide o Primar y Network Time Ser ver Successful Update Counter The number of times the time was reset from the primar y ser ver . F ailed Update Counter The number of time s the appliance failed to read the time from the primary ser ver . Current Ser ver St atus Status of primary ser ve[...]

62 © 2009 VBrick Systems , Inc . Vid eo Ra te 1 Audio Audio Rate1 System Lo gs System logs can giv e you more infor mation abou t the status of your appliance . Each log can hold up to 20 of the latest info r mational mess ages. All logs are emptie d when the appliance is pow ered down or reset. Detected Video F or mat SDI or H DMI only . Indicate[...]

Monitor VBrick H.264 Appliance Admin Guide 63 Configuration Log This log contains a list of the latest VBrick configuration changes . SNMP T raps T his log contains all of the SN MP traps generated by the box wh ether or not the traps hav e been emitted. System Ev ents T his log conta ins reports of system even ts within th e VBrick. These events m[...]

64 © 2009 VBrick Systems , Inc . Program Status Programs Tr a n s m i t t e r s This pag e shows the program status of all defi ned transmitters . Note that when more than 5 transmitte rs are configured, auto-re fre sh is disabled and you must use the Refresh button to manually refresh the page. Cur rent Number of Ser ved Clients Current number of[...]

Monitor VBrick H.264 Appliance Admin Guide 65 Servers This pag e shows the program status for all ser vers . Use the dropdown list box to select a specific ser ver . Tr a n s m i t t e r N a m e Tr a n s m i t t e r name from Prog ram Configur ation > T ransmitter page. Destination IP Destination IP Address or Host Name from Program Configuratio[...]

66 © 2009 VBrick Systems , Inc . Clients Current Number of C lients Current number of HTTP and/or RTSP clients conne cted to the ser ver . Maximu m Number of Clients Highest num ber of HTTP and/or RTS P clients that w ere concurrently connected since the last time these p arameters were Rese t. Current Bandwidth Used The approximate ca lculated ba[...]

Monitor VBrick H.264 Appliance Admin Guide 67 Video P ack ets Dropped Video pack ets dropped since session start. Au dio P ack ets Dropped Audio pac k ets dropped since session star t.[...]

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VBrick H.264 Appliance Admin Guide 69 Chapter 6 T roubleshoot Topics in this section Ping T est . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 T raceRoute T e st . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

70 © 2009 VBrick Systems , Inc . Ping T est Setting T raceRoute T est The Inter net is a complex ag g reg ation of netw ork hardwa re connected by gatewa ys . T racking the route pac kets follow or findin g a gateway where th e pack ets are being dis carded is difficult. The T race Route test attempts to tr ace the route an IP pack et follows t o [...]

T r oubleshoot VBrick H.264 Appliance Admin Guide 71 T race Route T est Result The res ults of the test appear at t he to p of the screen. The results incl ude the Resolved IP Address of the Destination Host Name. W hen the test is finished or stopped, the Overall Result will display the r esult of the test, such as "T est Done," or "[...]

72 © 2009 VBrick Systems , Inc . Maintenance Mode Maintenance mo de is automatica lly launc hed when the softw are on the VBric k applian ce does not load. A message on the front panel wi ll indicat e the applia nce is in Mai ntenance mode. Maintenance mode r uns from a re duced f unctioning ke r nel that provides limited access to the appliance v[...]

T r oubleshoot VBrick H.264 Appliance Admin Guide 73 Figur e 12. Maintenance Mode CLI Limited R un Mode When some error conditions occur , for example when there is a high tempera ture alar m, the appliance will automatically g o into Limited Run Mode and a message will display on the front panel. In Limited R un Mode, y ou can make configuration c[...]

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VBrick Systems , Inc. 12 Beaumont R oad W allingfo rd, Connecticut 0649 2, USA[...]