Voice Over IP
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when I enter ip igmp snooping, I get invalid input.
When I enter ip igmp ?, I get ambiguous command.
When I enter ip igmp, I get incomplete command. (!)
When I enter sh ip igmp snooping, I get invalid input.
It doesn't recognize snooping...
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switch> enable (may be prompted for a password here)
switch# config t (enter config mode)
switch#(conf) ip igmp snooping
switch#(conf) exit (exit configuration mode)
switch# wr mem (saves config)
harbor235 ;}
That's what I did. I was in config mode.
Gives me invalid input at "snooping"
What type of image do you have EMI or SMI? Check by doing a show version
harbor235 ;}
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#sh ver
Cisco Internetwork Operating System Software
IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5.3)WC(1), MAINTENANCE
INTERIM SOFTWARE
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Mon 30-Apr-01 07:51 by devgoyal
Image text-base: 0x00003000, data-base: 0x003331F4
ROM: Bootstrap program is C3500XL boot loader
ernie uptime is 10 weeks, 6 days, 5 hours, 21 minutes
System returned to ROM by power-on
System image file is "flash:c3500XL-c3h2s-mz-12
cisco WS-C3548-XL (PowerPC403) processor (revision 0x01) with 16384K/1024K bytes
of memory.
Processor board ID FAB0537M1GX, with hardware revision 0x00
Last reset from power-on
Processor is running Enterprise Edition Software
Cluster command switch capable
Cluster member switch capable
48 FastEthernet/IEEE 802.3 interface(s)
2 Gigabit Ethernet/IEEE 802.3 interface(s)
The 3500XL switches do not support igmp snooping. Here is the link;
http://www.cisco.com/en/US/tech/tk828/technologies_white_paper09186a00800a85d1.shtml
harbor235 ;}
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Voice Over IP
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Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN). Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).