Manuale d’uso / di manutenzione del prodotto 2600 del fabbricante Cisco Systems
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1 Cisco IOS Release 12.1(5)T Cisco Hoot and Holler over IP The voi ce multicasting feature on Cisco 2600 and Cisco 3600 series rout ers uses Cisco V oice-ov er -IP (V oIP) technology to creat e a p erman en tly conn ect ed po int-to -mul tipoin t h oot an d holl er netw o rk o v er an IP connection.
Cisco Hoot and Holler over IP Feature Overview 2 Cisco IOS Release 12.1(5)T Hoot and holler is used in these v arious industries as a way to pro vide a one-to -man y or man y-to-m an y conferencing service for v oice commu nications.
Cisco Hoot and Holle r over IP Feature Overview 3 Cisco IOS Release 12.1(5)T Hoot and holler net works are typically spread ov er four to eight sites, although financial retail netwo rks may hav e hundreds of sites interconnected.
Cisco Hoot and Holler over IP Feature Overview 4 Cisco IOS Release 12.1(5)T Figure 2 Hoot and Holler o ver IP us ing Cisco 2600 and Cisco 3600 Ser ies Routers Four -wire E&M, E1/T1, FX O, and FXS conf igurations provide continu ous V oIP connections across a packet netw ork.
Cisco Hoot and Holle r over IP Feature Overview 5 Cisco IOS Release 12.1(5)T IP/TV Access The Cisco Hoot and Holler o ver IP feature enables yo u to access ongoi ng IP/TV multicasts for listening to v oice content of the IP/ TV session. For complete information on IP/TV , see the IP/TV Co ntent Manag er Installation a nd User Guide .
Cisco Hoot and Holler over IP Feature Overview 6 Cisco IOS Release 12.1(5)T – The port number mu st be 80, becau se it is HTTP . – Click OK and e xit. Note In the Content Manager , be sure to speci fy the multicast IP addres s and R TP port for the Cisco Hoot and Holl er ov er IP session.
Cisco Hoot and Holle r over IP Feature Overview 7 Cisco IOS Release 12.1(5)T Technical Details of the Cisco Hoot and Holler over IP Solution This section describes ho w Cisco Hoot and Holler o v e r IP works from a technical perspecti ve.
Cisco Hoot and Holler over IP Feature Overview 8 Cisco IOS Release 12.1(5)T is handled by the onboard DSPs on each voice- card (NM-1V , NM-2V or NM -HD V). Arbitration in volves identifying the v arious so urces of the voice stream, and mixin g inv olves taking some of those voi ce streams and combining them into a si ngle-sourced v oice stream.
Cisco Hoot and Holle r over IP Feature Overview 9 Cisco IOS Release 12.1(5)T The uncompressed bandwidth in cludes IP/UDP/R TP head ers (40 bytes) in the band width calculation. Compressed R TP (cR TP) reduces the IP/UDP/R TP headers to between 2 to 4 byt es per packet.
Cisco Hoot and Holler over IP Feature Overview 10 Cisco IOS Release 12.1(5)T enabled or disabled, b ut since the DSPs also hav e to do arbitration and mixing, V AD mu st be disabled to reduce the DSPs proc essing load.
Cisco Hoot and Holle r over IP Feature Overview 11 Cisco IOS Release 12.1(5)T In this ex ample, the digits in th e connection trunk 111 string match the destination pat tern of the V oIP dial peer . Also, the session protocol is set to multicast and th e session target is pointing to the IPmc group number with the UDP port (22222) predef ined.
Cisco Hoot and Holler over IP Supported Platforms 12 Cisco IOS Release 12.1(5)T Supported Platforms Router Platforms: • Cisco 2600 • Cisco 3600 s eries Network Modules: • NM-HD V • NM-1V • NM-2V Supported Standards, MIBs, and RFCs Standards No ne w or modif ied standards are support ed by this featu re.
Cisco Hoot and Holle r over IP Configuration Tasks 13 Cisco IOS Release 12.1(5)T Configuring Multicast Routing (Required) T o enable multicast routing on the pl atform, perform the follo wing steps: C.
Cisco Hoot and Holler over IP Configuration Tasks 14 Cisco IOS Release 12.1(5)T Step 5 Router(config-dial-peer)# ip precedence number (Optional) Specifies the IP precedence. Step 6 Router(config-dial-peer)# codec ( codec-type } Conf igures t he codec.
Cisco Hoot and Holle r over IP Configuration Tasks 15 Cisco IOS Release 12.1(5)T Configuring E&M Voice Ports (Required, if used) If using E&M v oice ports, co nf igure them by p erforming the follo wing steps: Command Purpose Step 1 Router(config)# voice class permanent tag1 Def ines voice class for transmit-receiv e mode.
Cisco Hoot and Holler over IP Configuration Tasks 16 Cisco IOS Release 12.1(5)T Configuring for Receive Only Mode (Optional) T o configure Cisco Hoot and Holler o ve r IP as recei ve-only mod e, perfo.
Cisco Hoot and Holle r over IP Configuration Examples 17 Cisco IOS Release 12.1(5)T Configuring Voice Ports in High-Density Voice Network Modules (Required, if using T1/E1) A multiflex t runk interface car d (NM-HD V) in a high-densit y voice netw ork module requi res special voi ce-port conf iguration when conn ecting for T1/E1 operation.
Cisco Hoot and Holler over IP Configuration Examples 18 Cisco IOS Release 12.1(5)T Note In all of the foll owi ng conf iguration e xamples, th e routers are conf igured wit h an interface vif1 command. This is a virtual interf ace that is similar to a loopback interface—it is a logical IP in terface that is a lways up wh en the router is activ e.
Cisco Hoot and Holle r over IP Configuration Examples 19 Cisco IOS Release 12.1(5)T Note The connection-trunk connecti on type is a point-to-point connection, similar to a tie-line on a PBX network. A ll voi ce traf f ic—including sig naling—placed at one end is immediately transferred to the other .
Cisco Hoot and Holler over IP Configuration Examples 20 Cisco IOS Release 12.1(5)T Verifying the Configuration If you ha ve con figured your routers b y follo wing these e xamples, you shoul d no w be able to talk o ver the telephones.
Cisco Hoot and Holle r over IP Configuration Examples 21 Cisco IOS Release 12.1(5)T Dial peers are identif ied b y numbers, b ut to a vo id confusing these numb ers with telephone numb ers, they ar e usually ref erred to as t ags. Dial peer ta gs are inte gers that can range fro m 1 to 2 31 -1 (2147483647).
Cisco Hoot and Holler over IP Configuration Examples 22 Cisco IOS Release 12.1(5)T Voice Multicasting over a WAN The config uration for voice multicasting sessions ov er IP on Frame Relay is the same as for the Ethernet LAN in the pre vious e xample.
Cisco Hoot and Holle r over IP Configuration Examples 23 Cisco IOS Release 12.1(5)T Cisco Hoot and Holler over IP with Ethernet Topology (Two Hoot Groups) Figur e 5 Cisco Hoot and Ho ller o ver I P with Ether net T opology In this conf iguratio n, two hoot and holler grou ps are set up by defi ning two mul ticast groups (237.
Cisco Hoot and Holler over IP Configuration Examples 24 Cisco IOS Release 12.1(5)T music-threshold -30 operation 4-wire ! voice-port 1/0/1 voice-class permanent 1 connection trunk 112 music-threshold -30 operation 4-wire ! dial-peer voice 111 voip destination-pattern 111 session protocol multicast session target ipv4:237.
Cisco Hoot and Holle r over IP Configuration Examples 25 Cisco IOS Release 12.1(5)T Router-3 (FXO Po rts) hostname Router-3 ! ip multicast-routing ! voice class permanent 1 signal timing oos timeout disabled signal keepalive 65535 ! interface Vif1 ip address 3.
Cisco Hoot and Holler over IP Configuration Examples 26 Cisco IOS Release 12.1(5)T broadcast-queue is only 40 packet s deep and Cisco Hoot and Holler over IP transmits packets at 50 packets per second. Unless the queue is disabled, so me packets would be dropped and v oice QoS would be degraded.
Cisco Hoot and Holle r over IP Configuration Examples 27 Cisco IOS Release 12.1(5)T ip precedence 5 Router-2 hostname Router-2 ! ip multicast-routing ! voice class permanent 1 signal timing oos timeout disabled signal keepalive 65535 ! interface Vif1 ip address 2.
Cisco Hoot and Holler over IP Configuration Examples 28 Cisco IOS Release 12.1(5)T ! interface Vif1 ip address 3.3.3.3 255.255.255.0 ip pim sparse-dense-mode ! router rip network 3.
Cisco Hoot and Holle r over IP Command Reference 29 Cisco IOS Release 12.1(5)T Command Reference This section documents a ne w command. Al l other comma nds used with this feature are documented in the Cisco IOS Release 12.1 command reference publications.
Cisco Hoot and Holler over IP session protocol multicast 30 Cisco IOS Release 12.1(5)T session protocol multicast T o set the session protocol as multicast, use the session pr otocol multicast dial-peer configuration command. T o negate this command and return to the cisco def ault session protocol , use the no vers i on of this command.
Cisco Hoot and Holle r over IP Glossary 31 Cisco IOS Release 12.1(5)T Glossary CIR —Committed information rate. The a verag e rate of information transfer a subscrib er (for example, the network admi nistrator) has st ipulated for a Frame-Relay PVC.
Cisco Hoot and Holler over IP Glossary 32 Cisco IOS Release 12.1(5)T VNM —V oice network module. Vo I P —V oice over Internet Protocol..
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cisco Systems 2600 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cisco Systems 2600 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems 2600 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems 2600 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems 2600, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cisco Systems 2600.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco Systems 2600. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems 2600 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
