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Vlan trunking

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andyrintoul
Level 1
Level 1

‎05-04-2007 10:50 PM - edited ‎03-05-2019 03:53 PM

Hello,

Does a 2900XL switch support both ISL & 802.1q trunking or like the 2950 just 802.1q????

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mahmoodmkl
Level 7
Level 7

‎05-04-2007 11:15 PM

Hi

it only supports dot1q

Thanks

Mahmood

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mohammedmahmoud
Level 11
Level 11

‎05-04-2007 11:29 PM

Hi,

According to this document, Inter-Switch Link (ISL) trunking is supported on the 2900XL since Cisco IOS Release 11.2(8)SA4 (Enterprise Edition Software):

http://www.cisco.com/en/US/tech/tk389/tk390/technologies_tech_note09186a008017f86a.shtml#subtopic2h

http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/2935wc16/ol256212.htm

http://www.cisco.com/en/US/tech/tk389/tk390/technologies_configuration_example09186a00800a875b.shtml

NOTE: The Catalyst 2940 and 2950/2955 series switches do not support ISL encapsulation.

HTH, please rate if it does help,

Mohammed Mahmoud.

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ankbhasi
Cisco Employee
Cisco Employee

‎05-05-2007 03:05 AM

Hi Andy,

Yes it does support both ISL as well as dot1q.

http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/c2900sa4/sa4sc/masctrnk.htm

HTH

Ankur

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griffijo
Level 1
Level 1
In response to ankbhasi

‎05-05-2007 11:03 AM

The original 2900XL, or 4MB version does not support trunking at all.

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mahmoodmkl
Level 7
Level 7

‎05-04-2007 11:15 PM

Hi

it only supports dot1q

Thanks

Mahmood

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mohammedmahmoud
Level 11
Level 11

‎05-04-2007 11:29 PM

Hi,

According to this document, Inter-Switch Link (ISL) trunking is supported on the 2900XL since Cisco IOS Release 11.2(8)SA4 (Enterprise Edition Software):

http://www.cisco.com/en/US/tech/tk389/tk390/technologies_tech_note09186a008017f86a.shtml#subtopic2h

http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/2935wc16/ol256212.htm

http://www.cisco.com/en/US/tech/tk389/tk390/technologies_configuration_example09186a00800a875b.shtml

NOTE: The Catalyst 2940 and 2950/2955 series switches do not support ISL encapsulation.

HTH, please rate if it does help,

Mohammed Mahmoud.

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mahmoodmkl
Level 7
Level 7
In response to mohammedmahmoud

‎05-05-2007 11:14 AM

Hi

Sorry guy's i thought he is asking about 2950.

Thanks

Mahmood

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ankbhasi
Cisco Employee
Cisco Employee

‎05-05-2007 03:05 AM

Hi Andy,

Yes it does support both ISL as well as dot1q.

http://www.cisco.com/univercd/cc/td/doc/product/lan/c2900xl/c2900sa4/sa4sc/masctrnk.htm

HTH

Ankur

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griffijo
Level 1
Level 1
In response to ankbhasi

‎05-05-2007 11:03 AM

The original 2900XL, or 4MB version does not support trunking at all.

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