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Catalyst 6500 Series Power over Ethernet Daughter Cards Field-Upgrade Installation Note

78-10826-08

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Содержание WS-F6K-48-AF

Страница 1: ...K VPWR and WS F6K VPWR GE PoE daughter cards are not interchangeable between Ethernet modules Table 1 PoE Daughter Cards PoE Daughter Card Description WS F6K VPWR Catalyst 6500 series prestandard PoE daughter card for 10 100 Ethernet modules WS F6K VPWR GE Catalyst 6500 series prestandard PoE daughter card for 10 100 1000 Ethernet modules WS F6K GE48 AF Catalyst 6500 series IEEE 802 3af compliant ...

Страница 2: ...e Power Daughter Card page 24 Removing and Installing the WS F6K FE48X2 AF Inline Power Daughter Card page 29 Removing and Installing the WS F6K 48 AF Inline Power Daughter Card page 34 Installing the Ethernet Switching Module page 39 Configuring the Module page 46 Regulatory Standards Compliance page 46 Translated Safety Warnings page 47 Obtaining Documentation page 56 Documentation Feedback page...

Страница 3: ...6548 GE TX 7 7 10 100 1000 10 100 1000 WS F6K GE48 AF WS X6148 GE TX WS X6548 GE TX 15 4 15 4 10 100 1000 10 100 1000 WS F6K FE48X2 AF WS X6148X2 RJ 45 15 4 10 100 WS F6K 48 AF WS X6148A RJ 45 WS X6148 GE TX WS X6148A GE TX WS X6548 GE TX 15 4 15 4 15 4 15 4 10 100 10 100 1000 10 100 1000 10 100 1000 Table 3 PoE Daughter Card Features Feature Description Port inline power Provides inline power on ...

Страница 4: ...VEILIGHEIDSINSTRUCTIES Dit waarschuwingssymbool betekent gevaar U verkeert in een situatie die lichamelijk letsel kan veroorzaken Voordat u aan enige apparatuur gaat werken dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico s en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen Gebruik het nummer van de verklaring onderaan de waarschu...

Страница 5: ...I SULLA SICUREZZA Questo simbolo di avvertenza indica un pericolo La situazione potrebbe causare infortuni alle persone Prima di intervenire su qualsiasi apparecchiatura occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare ...

Страница 6: ...vertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo GUARDE ESTAS INSTRUCCIONES Varning VIKTIGA SÄKERHETSANVISNINGAR Denna varningssignal signalerar fara Du befinner dig i en situation som kan leda till personskada Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känn...

Страница 7: ...e o número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo GUARDE ESTAS INSTRUÇÕES Advarsel VIGTIGE SIKKERHEDSANVISNINGER Dette advarselssymbol betyder fare Du befinder dig i en situation med risiko for legemesbeskadigelse Før du begynder arbejde på udstyr skal du være opmærksom på de involverede risici der ...

Страница 8: ...8 Catalyst 6500 Series Power over Ethernet Daughter Cards Field Upgrade Installation Note 78 10826 08 Safety Overview ...

Страница 9: ...wer over Ethernet Daughter Cards Field Upgrade Installation Note 78 10826 08 Safety Overview Warning Hazardous voltage or energy is present on the backplane when the system is operating Use caution when servicing Statement 1034 ...

Страница 10: ...grounding wrist straps to avoid ESD damage to the card Warning Before opening the unit disconnect the telephone network cables to avoid contact with telephone network voltages Statement 1041 Warning Do not work on the system or connect or disconnect cables during periods of lightning activity Statement 1001 Warning To avoid electric shock do not connect safety extra low voltage SELV circuits to te...

Страница 11: ...allation screws are loose the EMI gaskets on the installed modules will push the modules toward the open slot reducing the opening size and making it difficult to reinstall the module Step 3 Loosen the two captive installation screws on the module to be removed Step 4 Depending on the orientation of the slots in the chassis horizontal or vertical perform one of the following two sets of steps Hori...

Страница 12: ...E SE T CONSOLE Switch Load 100 1 DTE DCE PCMCIA EJECT PORT 1 LI NK PORT 2 LI NK 48 PORT 10 100 BASE T ETHERNET SWITCHING MODULE WS X6348 RJ 45V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 12 14 24 26 36 38 48 WS X6624 FXS 24 PORT FXS ANALOG STATION 1 4 7 10 13 16 19 22 2 5 8 11 14 17 20 23 3 6 9 12 15 18...

Страница 13: ...UPERVISOR I WS X6K SUP1 ST AT US SY ST EM AC TI VE PW R M G M T RE SE T CONSOLE Switch Load 100 1 DTE DCE PCMCIA EJECT PORT 1 LI NK PORT 2 LI NK SUPERVISOR I WS X6K SUP1 ST AT US SY ST EM AC TI VE PW R M G M T RE SE T CONSOLE Switch Load 100 1 DTE DCE PCMCIA EJECT PORT 1 LI NK PORT 2 LI NK WS X6624 FXS 24 PORT FXS ANALOG STATION 1 4 7 10 13 16 19 22 2 5 8 11 14 17 20 23 3 6 9 12 15 18 21 24 24 1 S...

Страница 14: ...witching Module section on page 39 Table 4 Inline Power Daughter Card Removal and Installation Procedures Inline Power Daughter Card Removal and Installation Procedure Reference WS F6K VPWR Removing and Installing the WS F6K VPWR Inline Power Daughter Card page 15 WS F6K VPWR GE Removing and Installing the WS F6K VPWR GE Inline Power Daughter Card page 19 WS F6K GE48 AF Removing and Installing the...

Страница 15: ...45 WS X6348 RJ 45 The WS F6K VPWR inline power daughter card supports Cisco prestandard inline power it does not support IEEE 802 3af Removing the WS F6K VPWR Inline Power Daughter Card To remove the WS F6K VPWR inline power daughter card from the module perform these steps Step 1 Remove the six screws as shown in Figure 3 Figure 3 Removing the Mounting Screws WS F6K VPWR Step 2 Grasp the inline p...

Страница 16: ...inline power daughter card on an antistatic mat or antistatic foam Figure 4 Removing the Inline Power Daughter Card WS F6K VPWR Step 4 If you are installing a replacement WS F6K VPWR inline power daughter card go to the Installing the WS F6K VPWR Inline Power Daughter Card section on page 17 If you are installing the Ethernet module into the chassis go to the Installing the Ethernet Switching Modu...

Страница 17: ... Daughter Card To install the WS F6K VPWR inline power daughter card on the Ethernet baseboard perform these steps Step 1 Remove the inline power daughter card from its protective packaging Step 2 Position the inline power daughter card over the module standoffs as shown in Figure 5 Figure 5 Positioning the Inline Power Daughter Card over the Module WS F6K VPWR 91112 Baseboard connectors Inline po...

Страница 18: ...te Make sure that you firmly seat the inline power daughter card connectors to the module connectors Step 4 Install the six screws and carefully and evenly tighten the screws as shown in Figure 6 Caution Do not overtighten the screws or you could damage the inline power daughter card Figure 6 Installing the Mounting Screws WS F6K VPWR Step 5 You are now ready to install the Ethernet module back in...

Страница 19: ...modules WS X6148 GE TX WS X6548 GE TX The WS F6K VPWR inline power daughter card supports Cisco prestandard inline power it does not support IEEE 802 3af Removing the WS F6K VPWR GE Inline Power Daughter Card To remove the WS F6K VPWR GE inline power daughter card on the Ethernet module perform these steps Step 1 Loosen and remove the nine screws and the three nuts securing the inline power daught...

Страница 20: ...e power daughter card from the Ethernet module front connector See Figure 8 Figure 8 Disconnecting the Inline Power Daughter Card Front Connector WS F6K VPWR GE Step 3 Grasp the inline power daughter card near the back edges as shown in Figure 9 and carefully lift up to disconnect the inline power daughter card connector from the Ethernet module rear connector Figure 9 Disconnecting the Inline Pow...

Страница 21: ...nstalling the Ethernet module back into the chassis go to the Installing the Ethernet Switching Module section on page 39 Installing the WS F6K VPWR GE Inline Power Daughter Card To install the WS F6K VPWR GE inline power daughter card on the module perform these steps Step 1 Position the inline power daughter card over the module and carefully align the three threaded studs on the module with the...

Страница 22: ...n to seat the inline power daughter card on the Ethernet module rear connector See Figure 11 Figure 11 Seating the Inline Power Daughter Card Rear Connector WS F6K VPWR GE Step 3 Position your fingers along the stiffener on the front edge of the inline power daughter card and press down firmly to seat the inline power daughter card on the Ethernet module front connector See Figure 12 Figure 12 Sea...

Страница 23: ...he Ethernet module with the nine screws and the three nuts See Figure 13 Caution Do not overtighten the screws and the nuts because you might damage the inline power daughter card Figure 13 Attaching the Inline Power Daughter Card to the Module WS F6K VPWR GE Step 5 You are now ready to install the Ethernet module back into the chassis Go to the Installing the Ethernet Switching Module section on ...

Страница 24: ...02 3af and the Cisco prestandard Removing the WS F6K GE48 AF Inline Power Daughter Card To remove the WS F6K GE48 AF inline power daughter card on the Ethernet module perform these steps Step 1 Loosen and remove the 12 screws and the 3 nuts securing the inline power daughter card to the Ethernet module See Figure 14 Tip Three screws that secure the daughter card to the module pass through openings...

Страница 25: ...power daughter card from the Ethernet module front connector See Figure 15 Figure 15 Disconnecting the Inline Power Daughter Card Front Connector WS F6K GE48 AF Step 3 Grasp the inline power daughter card near the back edges as shown in Figure 16 and carefully lift up to disconnect the inline power daughter card connector from the Ethernet module rear connector Figure 16 Disconnecting the Inline P...

Страница 26: ...f you are installing the Ethernet module back into the chassis go to the Installing the Ethernet Switching Module section on page 39 Installing the WS F6K GE48 AF Inline Power Daughter Card To install the WS F6K GE48 AF inline power daughter card on the Ethernet module perform these steps Step 1 Position the inline power daughter card over the module and carefully align the three threaded studs on...

Страница 27: ...offs and press down to seat the inline power daughter card on the module rear connector See Figure 18 Figure 18 Seating the Inline Power Daughter Card Rear Connector WS F6K GE48 AF Step 3 Position your fingers along the stiffener on the front edge of the inline power daughter card and press down firmly to seat the inline power daughter card on the module front connector See Figure 19 Figure 19 Sea...

Страница 28: ...ard to the module pass through openings in the daughter card heat sinks We recommend that you use a No 1 Phillips screwdriver equipped with a magnetic tip to install the three screws Caution Do not overtighten the screws and the nuts because you might damage the inline power daughter card Figure 20 Securing the Inline Power Daughter Card to the Module WS F6K GE48 AF Step 5 You are now ready to ins...

Страница 29: ...n the WS X6148X2 RJ 45 Ethernet module Note The WS F6K FE48X2 AF inline power daughter card supports both IEEE 802 3af and the Cisco prestandard Removing the WS F6K FE48X2 AF Inline Power Daughter Card To remove the WS F6K FE48X2 AF inline power daughter card on the module perform these steps Step 1 Loosen and remove the 10 screws and the 2 nuts securing the inline power daughter card to the modul...

Страница 30: ...aughter card from the module rear connector See Figure 22 Figure 22 Disconnecting the Inline Power Daughter Card Rear Connector WS F6K FE48X2 AF Step 3 Grasp the inline power daughter card near the front edges as shown in Figure 23 and carefully lift up to disconnect the inline power daughter card connector from the module front connector Figure 23 Disconnecting the Inline Power Daughter Card Fron...

Страница 31: ...f you are installing the Ethernet module back into the chassis go to the Installing the Ethernet Switching Module section on page 39 Installing the WS F6K FE48X2 AF Inline Power Daughter Card To install the WS F6K FE48X2 AF inline power daughter card on the module perform these steps Step 1 Position the inline power daughter card over the module and carefully align the two threaded studs on the mo...

Страница 32: ... seat the inline power daughter card front connector on the module See Figure 25 Figure 25 Seating the Inline Power Daughter Card Front Connector WS F6K FE48X2 AF Step 3 Position your fingers over the inline power daughter card rear connector and press down firmly to seat the inline power daughter card on the module rear connector See Figure 26 Figure 26 Seating the Inline Power Daughter Card Rear...

Страница 33: ...ard to the module with the 10 screws and the 2 nuts See Figure 27 Caution Do not overtighten the screws and the nuts because you might damage the inline power daughter card Figure 27 Securing the Inline Power Daughter Card to the Module WS F6K FE48X2 AF Step 5 You are now ready to install the Ethernet module back into the chassis Go to the Installing the Ethernet Switching Module section on page 3...

Страница 34: ...WS X6148 GE TX WS X6148A GE TX WS X6148A RJ 45 WS X6548 GE TX Note The WS F6K 48 AF inline power daughter card supports both IEEE 802 3af and the Cisco prestandard Removing the WS F6K 48 AF Inline Power Daughter Card To remove the WS F6K 48 AF inline power daughter card on the Ethernet module perform these steps Step 1 Loosen and remove the 12 screws and the 3 nuts securing the inline power daught...

Страница 35: ...power daughter card from the Ethernet module front connector See Figure 29 Figure 29 Disconnecting the Inline Power Daughter Card Front Connector WS F6K 48 AF Step 3 Grasp the inline power daughter card near the back edges as shown in Figure 30 and carefully lift up to disconnect the inline power daughter card connector from the Ethernet module rear connector Figure 30 Disconnecting the Inline Pow...

Страница 36: ... you are installing the Ethernet module back into the chassis go to the Installing the Ethernet Switching Module section on page 39 Installing the WS F6K 48 AF Inline Power Daughter Card To install the WS F6K 48 AF inline power daughter card on the Ethernet module perform these steps Step 1 Position the inline power daughter card over the module and carefully align the three threaded studs on the ...

Страница 37: ... and press down to seat the inline power daughter card on the module rear connector See Figure 32 Figure 32 Seating the Inline Power Daughter Card Rear Connector WS F6K 48 AF Step 3 Position your fingers along the stiffener on the front edge of the inline power daughter card and press down firmly to seat the inline power daughter card on the Ethernet module front connector See Figure 33 Figure 33 ...

Страница 38: ...ard to the module with the 12 screws and the 3 nuts See Figure 34 Caution Do not overtighten the screws and the nuts because you might damage the inline power daughter card Figure 34 Securing the Inline Power Daughter Card to the Module WS F6K 48 AF Step 5 You are now ready to install the Ethernet module back into the chassis Go to the Installing the Ethernet Switching Module section on page 39 Sc...

Страница 39: ...le in the chassis follow these steps Step 1 Verify that the captive installation screws are tightened on all modules installed in the switch chassis This action ensures that the EMI gaskets on all modules are fully compressed in order to maximize the opening space for the removed module Note If the captive installation screws are loose the EMI gaskets on the installed modules will push the adjacen...

Страница 40: ...T MODE PCMCIA EJECT PORT 1 PORT 2 Switch Load 100 1 24 PORT 100FX WS X6224 SE LE CT NE XT EMI gasket EMI gasket Insert module between slot guides Ejector lever fully extended ST AT US AC TI VE 4 3 5 5 4 6 6 WS X6148 RJ 45 SUPERVISOR2 WS X6K SUP2 2GE ST AT US SY ST EM CO NS OL E PW R M GM T RE SE T CONSOLE CONSOLE PORT MODE PCMCIA EJECT PORT 1 PORT 2 Switch Load 100 1 48 PORT 10 100 BASE T ETHERNET...

Страница 41: ... small 0 040 inch 1 mm gap between the module s EMI gasket and the module above it See Figure 36 Caution Do not press down too forcefully on the levers because they will bend and get damaged d While pressing down simultaneously close the left and right ejector levers to fully seat the module in the backplane connector The ejector levers are fully closed when they are flush with the module faceplat...

Страница 42: ...G MODULE WS X6348 RJ 45V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 12 14 24 26 36 38 48 4 3 5 5 4 6 6 WS X6148 RJ 45 Gap between the module EMI gasket and the module above it Press down Press down 91049 1 2 3 FAN STATUS 4 5 6 SUPERVISOR2 WS X6K SUP2 2GE STATUS SYSTEM CO NSO LE PW R M G M T RESET CONSOL...

Страница 43: ...Positioning the Module in a Vertical Slot Chassis INPUT OK FAN OK OUTPUT FAIL o INPUT OK FAN OK OUTPUT FAIL o FAN STATUS Ejector lever fully extended SUPERVISOR2 WS X6K SUP2 2GE STA TUS SYS TEM CO NS OLE PW R MG MT RE SET CONSOLE CONSOLE PORT MODE PCMCIA EJECT PORT 1 PORT 2 Switch Load 100 1 SUPERVISOR2 WS X6K SUP2 2GE STA TU S SY STE M CO NS OL E PW R MG MT RE SE T CONSOLE CONSOLE PORT MODE PCMCI...

Страница 44: ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 1 2 12 14 24 26 36 38 48 SUPERVISOR2 WS X6K SUP2 2GE STA TUS SYS TEM CO NS OLE PW R MG MT RE SET CONSOLE CONSOLE PORT MODE PCMCIA EJECT PORT 1 PORT 2 Switch Load 100 1 SUPERVISOR2 WS X6K SUP2 2GE STA TU S SY STE M CO NS OL E PW R MG MT RE SE T CONSOLE CONSOLE PORT MODE PC...

Страница 45: ...osed before tightening the captive installation screws f Verify that the module STATUS LED is lit Periodically check the STATUS LED If the STATUS LED changes from orange to green the module has successfully completed the boot process and is now online If the STATUS LED remains orange or turns red the module has not successfully completed the boot process and may have encountered an error Figure 40...

Страница 46: ...e 5 Catalyst 6500 Series Switch Regulatory Compliance Specifications Agency Approvals Specification Compliance CE1 Marking Safety UL2 60950 CSA3 C22 2 No 60950 EN4 60950 IEC5 60950 AS NZS 60950 EMC6 FCC7 Part 15 CFR8 47 Class A ICES9 003 Class A EN55022 Class A CISPR22 Class A AS NZS 3548 Class A and VCCI Class A EN 55024 EN 50082 1 EN 61000 6 1 EN 300386 EN 61000 3 2 EN 61000 3 3 1 CE European Co...

Страница 47: ...sa äläkä yhdistä tai irrota kaapeleita ukkosilmalla Attention Ne pas travailler sur le système ni brancher ou débrancher les câbles pendant un orage Warnung Arbeiten Sie nicht am System und schließen Sie keine Kabel an bzw trennen Sie keine ab wenn es gewittert Avvertenza Non lavorare sul sistema o collegare oppure scollegare i cavi durante un temporale con fulmini Advarsel Utfør aldri arbeid på s...

Страница 48: ...léphonique Telephone Network Voltage ou TNV Les ports du réseau local LAN contiennent des circuits SELV et les ports du réseau longue distance WAN sont munis de circuits TNV Certains ports LAN et WAN utilisent des connecteurs RJ 45 Raccordez les câbles en prenant toutes les précautions nécessaires Warnung Zur Vermeidung von Elektroschock die Sicherheits Kleinspannungs Stromkreise SELV Kreise nicht...

Страница 49: ...r los cables Varning För att undvika elektriska stötar koppla inte säkerhetskretsar med extra låg spänning SELV kretsar till kretsar med telefonnätspänning TNV kretsar LAN portar innehåller SELV kretsar och WAN portar innehåller TNV kretsar Vissa LAN och WAN portar är försedda med RJ 45 kontakter Iaktta försiktighet vid anslutning av kablar Warning Only trained and qualified personnel should be al...

Страница 50: ...eta installasjoner utskiftninger eller service på dette utstyret Aviso Apenas pessoal treinado e qualificado deve ser autorizado a instalar substituir ou fazer a revisão deste equipamento Advertencia Solamente el personal calificado debe instalar reemplazar o utilizar este equipo Varning Endast utbildad och kvalificerad personal bör få tillåtelse att installera byta ut eller reparera denna utrustn...

Страница 51: ...ctriques circulent sur le fond de panier Prendre des précautions lors de la maintenance Warnung Wenn das System in Betrieb ist treten auf der Rückwandplatine gefährliche Spannungen oder Energien auf Vorsicht bei der Wartung Avvertenza Quando il sistema è in funzione il pannello posteriore è sotto tensione pericolosa Prestare attenzione quando si lavora sul sistema Advarsel Farlig spenning er til s...

Страница 52: ...n Note 78 10826 08 Translated Safety Warnings Aviso O sistema em funcionamento emite tensão ou energia elétrica perigosa no painel traseiro Seja cauteloso ao fazer a manutenção Advarsel Der er farlig spænding og energi på bagpladen når systemet er i brug Vær forsigtig under servicering ...

Страница 53: ...lectrique tensions présentes dans l unité débranchez les câbles du réseau téléphonique AVANT d ouvrir l unité Warnung Bevor Sie das Gerät öffnen ziehen Sie die Telefonnetzkabel aus der Verbindung um Kontakt mit Telefonnetzspannungen zu vermeiden Avvertenza Prima di aprire l unità scollegare i cavi della rete telefonica per evitare di entrare in contatto con la tensione di rete Advarsel Før enheten...

Страница 54: ...kalua lukkoa ja avainta tai muuta turvallista menetelmää käyttämällä Attention Les tensions existant sur les alimentations utilisant la technologie PoE Power over Ethernet peuvent constituer un risque d électrocution si les interconnexions sont effectuées en utilisant des terminaux conducteurs ou contacts métalliques exposés non isolés Évitez d utiliser de telles méthodes d interconnexion à moins ...

Страница 55: ...perigo Uma área de acesso restrito só pode ser acessada com o uso de uma ferramenta fechadura e chave especial ou de outros meios de segurança Advertencia Puede haber voltajes con riesgo de shock en circuitos de alimentación sobre el cableado Ethernet PoE si para las interconexiones se utilizan contactos conductores o terminales metálicos descubiertos Evite tales métodos de interconexión a menos q...

Страница 56: ...he Cisco website at this URL http www cisco com You can access international Cisco websites at this URL http www cisco com public countries_languages shtml Documentation DVD Cisco documentation and additional literature are available in a Documentation DVD package which may have shipped with your product The Documentation DVD is updated regularly and may be more current than printed documentation ...

Страница 57: ...ments by using the response card if present behind the front cover of your document or by writing to the following address Cisco Systems Attn Customer Document Ordering 170 West Tasman Drive San Jose CA 95134 9883 We appreciate your comments Cisco Product Security Overview Cisco provides a free online Security Vulnerability Policy portal at this URL http www cisco com en US products products_secur...

Страница 58: ...id Cisco service contracts Cisco Technical Support provides 24 hour a day award winning technical assistance The Cisco Technical Support Website on Cisco com features extensive online support resources In addition Cisco Technical Assistance Center TAC engineers provide telephone support If you do not hold a valid Cisco service contract contact your reseller Cisco Technical Support Website The Cisc...

Страница 59: ...co TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly To open a service request by telephone use one of the following numbers Asia Pacific 61 2 8446 7411 Australia 1 800 805 227 EMEA 32 2 704 55 55 USA 1 800 553 2447 For a complete list of Cisco TAC contacts go to this URL http www cisco com techsupport contacts Definitions o...

Страница 60: ...make sound technology investment decisions You can access iQ Magazine at this URL http www cisco com go iqmagazine Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing developing and operating public and private internets and intranets You can access the Internet Protocol Journal at this URL http www cisco com ipj World cla...

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