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https://www.cisco.com/c/en/us/support/docs/lan-switching/lan-quality-of-service/46523-2950qosfaq.html
Sep 01, 2005 · Refer to the Release Notes for the Catalyst 2955, Catalyst 2950, and Catalyst 2940 Switches, Cisco IOS Release 12.1(22)EA4 for hardware and software compatibility. Q. What QoS features does the 2950 standard image (SI) support? A. The 2950 with the SI supports queuing and scheduling at egress.
https://www.cisco.com/en/US/technologies/tk543/tk879/technologies_qas0900aecd8020a589.html
A. With AutoQoS-VoIP, users obtain a simple and intelligent CLI for enabling campus LAN and WAN QoS for VoIP on Cisco switches and routers. It does not require knowledge of underlying network technology (PPP, Frame Relay, ATM, ATM to FR internetworking), service policies required, and link efficiency mechanisms needed to ensure voice quality and reduce latency, jitter, and packet drops.
https://learningnetwork.cisco.com/thread/106568
Mar 10, 2017 · I have a 2811 ISR router running CME 8.6 connected to a Cisco switch 2950 on which I want to plug a Cisco 7940 ip phone. Can this be done and how? ... The 2950 does not support PoE, so I am looking to get a PSU . Thanks . DMC. ... if you plan to play with Cisco VoIP and legacy PBX integration you could use a FXO port on the router peering with ...
https://www.cisco.com/en/US/tech/tk543/tk759/technologies_white_paper09186a00801348bc.shtml
- Cisco AutoQoS does not support Frame Relay multipoint interfaces · ATM PVCs 2. Cisco AutoQoS VoIP is supported on low-speed ATM PVCs on point-to-point sub-interfaces only (link bandwidth less than 768 kbps). 3. Cisco AutoQoS VoIP is fully supported on high-speed ATM PVCs (link bandwidth greater than 768 kbps). 4.
https://community.cisco.com/t5/voice-over-ip/how-to-configure-qos-in-2950-switch/td-p/706752
Hi, I've to configure QoS in a 2950 switch with Cisco IOS 12.1(22)EA4. But the IOS does not support class-map and policy-map command. But according to the cisco documentation it has to support QoS . Can you guide me in this? Thanks and Regards,
https://community.cisco.com/t5/switching/qos-on-cisco-2950/td-p/1601067
Hi mate! For non-cisco IP phones which do not support CDP you can configure a static trunk - which is what you have found in your research. At a high level - in the Cisco world, when a Cisco IP phone is connected to a Cisco switch - the Cisco phone uses CDP to automatically detect and create a "internal trunk" that can identify 802.1q tagged traffic - for the voice vlan.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/srnd/design/guide/cmesrnd/nstrct.html
Cisco Catalyst 6000, Cisco Catalyst 4000, Cisco Catalyst 3750, Cisco Catalyst 35XX, and Cisco Catalyst 2950 switches all support two or more output queues per port. Bandwidth Provisioning . In the campus LAN, bandwidth provisioning recommendations can be summarized by the motto, Over provision and under subscribe. This motto implies careful ...
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/software/release/12-2_58_se/configuration/guide/2960scg/swupgrad.html
Jul 10, 2018 · The Catalyst 2950 switch runs Cisco IOS 12.1EA software, and the Catalyst 2960 switch runs Cisco IOS 12.2SE software. The switch families have different hardware. If you use a Catalyst 2950 switch command, it might not be supported on the Catalyst 2960 switch. The Catalyst 2960 switch software handles the incompatible commands in these ways:
https://community.cisco.com/t5/switching/how-to-configure-voip-on-3750-switches/td-p/798024
Hi, I am planning to configure my 1st VOIP installation using 2 3750 switches stacked togather and 3rd switch linked up via SFP Gigabit link. I have planned to use 5 vlans. The total users are 70 and this is a stand alone site. For IPT phones and servers, my customer is using an external supplier ...
https://community.cisco.com/t5/other-network-architecture/2950-switch-image/td-p/511175
"The Catalyst 2950 switch is supported by either the standard software image (SI) or the enhanced software image (EI). The Catalyst 2950 Long-Reach Ethernet (LRE) and Catalyst 2955 switches are supported only by the EI. The Catalyst 2940 switch supports some of the features supported by a Catalyst 2950 switch.
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