2600 Router and VLAN

Answered Question
Feb 4th, 2009
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I understand the encapsulation command and that it's needed for VLANs to be entered on the router, but my 2600 doesn't have that as a command in the int f0/0.1 subinterface.


Am I missing something? Or is it not supported?


If it's not supported, what can I do to get it supported (I.e. download another IOS version, upgrade, buy something else...)


Here's what I have:


Cisco Internetwork Operating System Software

IOS (tm) C2600 Software (C2600-I-M), Version 12.2(17a), RELEASE SOFTWARE (fc1)

Copyright (c) 1986-2003 by cisco Systems, Inc.

Compiled Thu 19-Jun-03 16:35 by pwade

Image text-base: 0x8000808C, data-base: 0x80A14C38


ROM: System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1)


VLAN_TEST uptime is 5 hours, 55 minutes

System returned to ROM by reload

System image file is "flash:c2600-i-mz.122-17a.bin"


cisco 2620 (MPC860) processor (revision 0x102) with 27648K/5120K bytes of memory

.

Processor board ID JAD044008V1 (1926669459)

M860 processor: part number 0, mask 49

Bridging software.

X.25 software, Version 3.0.0.

1 FastEthernet/IEEE 802.3 interface(s)

4 Serial network interface(s)

32K bytes of non-volatile configuration memory.

8192K bytes of processor board System flash (Read/Write)


Configuration register is 0x2102

Correct Answer by Edison Ortiz about 8 years 3 months ago

Version 12.2(17a)


802.1q trunking was incorporated in the 12.3 Mainline or 12.2T

http://www.cisco.com/en/US/docs/ios/lanswitch/command/reference/lsw_b1.html#wp1020413

and you are running 12.2 Mainline.


You need to upgrade IOS.


If you want these details in the future, you can visit the Cisco Feature Navigator http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp and search for features. The intended Feature is IEEE 802.1Q VLAN Trunking


HTH,


__


Edison.

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Richard Burts Wed, 02/04/2009 - 13:42
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Garrett


I believe that the issue is the feature set of the code that you are running. (not necessarily the version of code but the feature set) You appear to be running the IP or IP BASE feature set and I believe that VLAN trunking is not supported in that feature set. If you upgrade the feature set to PLUS or something like that I believe that you will get support for encapsulation and VLAN trunking.


If you are going to be changing code a newer version of code might be nice. But the important thing is the feature set.


[edit] it looks like Edison's research was more thorough than mine and that you do need a version upgrade. I still think that there are issues about support for VLAN trunking in the IP BASE feature set.


HTH


Rick

Correct Answer
Edison Ortiz Wed, 02/04/2009 - 13:43
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Version 12.2(17a)


802.1q trunking was incorporated in the 12.3 Mainline or 12.2T

http://www.cisco.com/en/US/docs/ios/lanswitch/command/reference/lsw_b1.html#wp1020413

and you are running 12.2 Mainline.


You need to upgrade IOS.


If you want these details in the future, you can visit the Cisco Feature Navigator http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp and search for features. The intended Feature is IEEE 802.1Q VLAN Trunking


HTH,


__


Edison.

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