Dot1q trunk between WS-C3548-XL and WS-C2950G-48-EI

Cdp works , but no IP traffic.
Vlan active on both sides.
Its a provider xdsl layer 2 link.
Any ideas ?
Regards Bjornarsb

cdp works both ways.
sh int trunk is only supported on one end:
#sh interfaces trunk
Port Mode Encapsulation Status Native vlan
Fa0/1 on 802.1q trunking 1
Fa0/2 on 802.1q trunking 1
Fa0/47 on 802.1q trunking 1
Fa0/48 on 802.1q trunking 1
Gi0/1 on 802.1q trunking 1
Gi0/2 on 802.1q trunking 1

Similar Messages

Dot1q Trunk between Catalyst 6500 and HP Blade Enclosures

We have a requirement to configure trunks to a 6500 and HP GbE2 interconnect switch in a blade enclosure.
The interconnect switches and the 6500 are connected as in the attachment.
The configuration was done using the documentation provided by HP for connecting these trunks to the 6500, but there seems to be some problem with STP.
All the network remains stable for a time and then falls over, traffic counts on the trunk interfaces shoots up to crazy values.
The access layer (consisting of 2950s) hanging off the 6500 also falls over and the interfaces on the trunks become err-disabled. This happens eventhough we are not trunking the 102-108 vlans that are trunked to the HP switches to these switches.
We need to run dot1q trunks to the HP blade switches, because of the requirement to have the servers within the blade enclosure in different VLANS. The vlans were configured as per the document provided by HP and the server ports assigned accordingly.
Has anyone managed to configure etherchannel trunks (dot1q) to HP blade switches? Any guidelines and findings will help

Forgot the attachment....

One Way Calling on Intercluster trunk between 4.1.3 and 3.3.x

We've encoutered a bizarre situation, one which so far even TAC is stumped on.
We just turned up a new site, running 4.1.3SR3b and have set up the usual intercluster trunks (non-gatekeeper) between the new site and our other sites. Most of our other sites are 3.3.4 or 3.3.5. Calls from the other sites to the new 4.1.3 site work fine, but when you try to call from the 4.1.3 site to another site, the phone rings on the receiving end for a split second (not even a full ring), then the calling end gets a fast busy. Detailed traces on both ends show the info getting to the receiving end, but when the call drops, this appears on the sending end:
07/15/2006 11:30:38.499 CCM|StationD: (0000129) DEBUG- star_DSetCallState(6) State of cdpc(337) is 5.|<CLID::StandAloneCluster><NID::10.40.2.11><CT::0,0,0,0.0><IP::10.12.1.12><DEV::>
07/15/2006 11:30:38.499 CCM|H225D::restart0_TcpStopSessionInd: H225Cdpc(2,100,38,91), ConnPid(2,100,132,258), crv=12, mCiCrCrpEntries=1, mCrtoCiEntries=1|<CLID::StandAloneCluster><NID::10.40.2.11><CT::0,0,0,0.0><IP::><DEV::>
07/15/2006 11:30:38.499 CCM|Cc::wait_CfDataInd, total fie to handle is 0 |<CLID::StandAloneCluster><NID::10.40.2.11><CT::0,0,0,0.0><IP::><DEV::>
07/15/2006 11:30:38.499 CCM|ConnectionManager - wait_AuDisconnectRequest:NO ENTRY FOUND IN TABLE,CI(33555134,33555133),dcType=1,IFCreated(0,0),PID(0-0,0-0),IFHandling(0,0),MCNode(0,0)|<CLID::StandAloneCluster><NID::10.40.2.11><CT::0,0,0,0.0><IP::><DEV::>
We just tried the latest engineering special (63 I believe), but the issue remains. Has anyone encountered this before?
This occurs with either G711 or G729 codecs, with or without MTP's enabled on the intercluster trunks.

Hi,
Did you checked the H245 Options in the CCM trace options?
I dont see any H245 messages in CCM.
I see that this IP Phone (43867) is registered to node 2.
Is this the SUB in PHL cluster?
We sent a H225Setup sent to IP=10.12.1.12
In the other side:
H225Handler::SdlConnectionInd: from IP=10.40.2.11
If this non-gatekeeper-controlled intercluster trunk accesses the device pool of a remote non-gatekeeper-controlled intercluster trunk and that device pool has a second Cisco CallManager node, you must enter the second remote Cisco CallManager IP address/host name in this field. (ie. Cluster1 4 servers and Cluster2 2 servers
ICT1 has a CCM Group which contains 3 servers.
ICT2 has a CCM Group which contains the 2 servers
In ICT1 you need to enter the 2 server's IP addresses.
In ICT2 you need to enter the 3 server's IP addresses)
Make sure the order is correct.
In the incoming cluster I see IP Phone is registered to node 3.
Node selection for outgoing calls is controlled by which node the originating endpoint is registered with. If the originating endpoint is registered to the same node as the H.323 Trunk, the call is signaled from that node. If the originating endpoint is not registered to the same node as the H.323 trunk, a random selection is made between all nodes configured with the H.323 trunk
This error is the one which terminates the call taken from SDL in CCM SUB 3.
SdlSig-I | CcDisconnReq | restart0 | StationD(3,100,92,87) | LineControl(1,100,37,2258) | (1,100,101,34868).1-(*:*) | [NP - HP: 0, NP: 0, LP: 0, VLP: 0, LZP: 0] Cause=41
Temporary failure (cause code 41)
Normally this happens when GW, in this case the ICT is not registered correctly.
In CCM PHL, I see this:.
000221594| 06/07/15 11:30:38.499| 002| SdlSig | TcpStopSessionInd | restart0 | H225D(2,100,39,33) | H225Handler(2,100,40,1) | (0,0,0,0).0-(*:*) | [R:NP - HP: 0, NP: 0, LP: 0, VLP: 0, LZP: 0 DBP: 0] PID=(0,0,0,0)
000221595| 06/07/15 11:30:38.499| 002| SdlSig | TcpStopSessionInd | call_received7 | H225Cdpc(2,100,38,91) | H225D(2,100,39,33) | (0,0,0,0).0-(*:*) | [R:NP - HP: 0, NP: 0, LP: 0, VLP: 0, LZP: 0 DBP: 0] PID=(0,0,0,0)
This means that TCP connection was ended. By checking the SDL looks like destination node send a RST at TCP level and thats why call finishes. But problem seems to be the CMH cluster.
If ICT configuration is fine I would reboot|restart ccm.exe service in the CMH cluster.
If after that it doesnt work I would open a TAC case so we can get access and check whats going on.
HTH
//G

Trunking between a Cisco 3548 and a Liksys SRW208p

I am trying to set up trunking between these two switches using .1q. Is this possible and if so how is it done.

No. I nowhere said that. I said you have to put those ports into access mode and not into trunk mode. You can assign three different VLANs to three different ports. You cannot use trunk mode on those ports. You have to use access mode. The computers probably will only send untagged frames. If the port is in trunk mode the computers will send everything to the management vlan!
A port in trunk mode connects to another switch.
A port in access mode connects to a workstation.
The correct setup is for example:
Port 1: Access mode, VLAN 2 untagged, PVID 2, connects to computer1
Port 2: Access mode, VLAN 3 untagged, PVID 3, connects to computer2
Port 3: Access mode, VLAN 4 untagged, PVID 4, connects to computer3
Port 8: Trunk mode, PVID 1, VLAN 2-4 tagged, connects to cisco
The port on the cisco is configured to something like:
switchport trunk allowed vlan 1,2,3,4
switchport mode trunk
Message Edited by gv on 10-26-2007 11:32 PM

SIP trunking between Microsoft OCS server and Cisco Voice GW router.

Hello All,
I have a client with an existing Microsoft OCS (office communications server) environment with the OCS server in their head office. The OCS clients in the remote Office registers with the OCS server in the head office. The WAN connectivity between the remote office and the Head office is MPLS.I would like to facilitate local call (PSTN) features at the remote site through a newly proposed Voice gateway router.
Can I achieve this by doing a SIP trunk between the OCS server in the head office to the newly proposed voice GW router in the remote office through the existing MPLS link. If yes, Could any one please assist me in this regards or suggest any other best solution to achieve the same.
Thank you in advance,
Mohammed Ameen R

Hi David,
this is a normal behaviour. To CUCM, OCS is a remote destination (just like your mobile phone). When your mobile phone hangs up, the system will put the call on hold for 10 sec.
This is there for the mobile user to go to his desk to pick up the call and continue the conversation (part of single number reach feature)
The best practise will be for the user to ensure that the other party hangs up the call first before he hang up.
Please grade if you think it's useful =)

Trunks between 2950s stop working and wont come back

I've seen this happen on 2 different 'pairs' of 2950s, so it's time to investigate. The scenareo:
simple trunk (no vlan definitions) between 2 2950s. 1 switch looses power, when power is restored, the switch that didn't lose power doesn't pass any traffic. The interface is up (link and administrativly up) the logs don't show anything other than the interface went down and came back up. here's a sample port:
interface FastEthernet0/23
description new Feed from phone room switch
switchport mode trunk
no ip address
I'm not using spanning-tree, there aren't any redunant paths. Its worked fine for months (until a ups failure), I set up a new port on the switch and swing the cable and it comes up. Any ideas?
thanks!

Hello,
I know this is an old post... but I am posting here in case this is viewed by anyone with a possible solution.
Our organization has multiple locations configured the same way:
(x2) cross connected 2950 switches in trunk mode, configured the follwing way per each interface (fa0/19):
interface FastEthernet0/19
no ip address
duplex full
speed 100
no cdp enable
spanning-tree portfast
Our problem is similar to the one explained in this initial post. The switches are auto-trunked via port #19.
Let's call one switch "A" and one switch "B"
Whenever power is removed from one of the switches (Switch A), and it has completed a restart, the opposite switch (Switch B ..the one which was not powered off) will not return to a "Trunked" state. When you run the "show int status" command, it shows that the port is "connected". Even though the switch which was initially restarted returns to "Trunked" mode.
We have seen this with a few of our 2950's across the infrastructure.
The bottom line is that restarting one of the switches causes the other to lose the trunked state. The only was to correct the issue is to restart the opposite switch as well.
The IOS version is 12.1 (9) EA1d .. I know it's old, however we cannot upgrade it at this time due to policies within the organization.
Could anybody shed some light on this?
Thanks in advance..

InterVlan Trunking between Catalyst 500 Express and Router 1841

Hello,
I am currently attempting to configure 2 VLANs on a Router 1841 and allow them to communication with my Catalyst 500 Express switch. The Router Setup is simple
its 3 Sub-ints on the FE0/0 interface.
interface FastEthernet0/0
description $ETH-LAN$$ETH-SW-LAUNCH$$INTF-INFO-FE 0$
no ip address
duplex auto
speed auto
interface FastEthernet0/0.1
description *** ADMINISTERING VLAN ***
encapsulation dot1Q 1 native
ip address 10.19.1.1 255.255.255.0
interface FastEthernet0/0.2
description *** DATA VLAN ***
encapsulation dot1Q 2
ip address 10.19.2.1 255.255.255.0
interface FastEthernet0/0.3
description *** VOICE VLAN ***
encapsulation dot1Q 3
ip address 10.19.3.1 255.255.255.0
ip helper-address 10.19.2.2
FE 0/0 Port on the Router is connected to port 24 on my Catalyst. I set the Smartport on port 24 of the Catalyst to be Router for trunking purposes
I get a notification error on the Catalyst saying "Undersized frames detected from the connected device" (which is my ROUTER).
does anyone have a suggestion? Or Is it supported this scenario?
Thanks,
Eduardo

I had the same issue when I was working on CE500s and a WLC.
In the CE500 Device Manager, go to Configure->VLANs
Create your VLAN 2 and 3.
Then go back to smartports, click customize, and verify that VLAN-1 is default (native).
Sending information through a port on the CE500 that it is not expecting will set alerts in the log.
Hope this helps.
RB

Trunk between CUCM 9.1 and panasonic kxtde600

hello, my name is Diego.
I need to make calls between my CUCM 9.1 to a pbx Panasonic KX TDE600, someone could help me?
any documentation that can help me?
thank you very much.

Hi Diego.
That model of PBX is SIP/H323 enabled.
So on CUCM you can setup a sip trunk pointing to it.
Read this useful post https://supportforums.cisco.com/thread/2131009
HTH
Regards
Carlo
Sent from Cisco Technical Support iPhone App

Trunking between 2960X and 3560G

I am trying to trunk between a Cisco 2960X and a 3560G switch. The 2960X has a 10gig (SFP) interface and the 3560G has a 1gig (SFP) interface. Can I do this with 1gig SFP modules? If so what is the configuration on both switches because I can't get them to come up. This what I have.
2960X config
interface TenGigabitEthernet3/0/2
switchport mode trunk
3560G config
interface GigabitEthernet0/28
switchport trunk encapsulation dot1q
switchport mode trunk

I looked at my 2960X, but I don't have one that has a 1Gig-Module in a SFP+ slot. But at least it is documented to work:
The SFP+ slots support both SFP and SFP+ modules
Are you sure you don't have just a send/receive mismatch? Sometimes the easy things are the hardest to find ... ;-)

CUCM - trunking between 7 and 9

Hi,
Document needed to do a trunking between cucm 7 and cucm 9 ( intercluster trunking)
We are planning to route a PSTN call from IP phones which are registerd with old CUCM on version 7 from our new cucm 9 which has FXO- line active.
how do I achive it.
Regards

Hello
You have to use intercluster non-gatekeeper controlled . I do nothink there is special document for this , but you can see the below link:-
https://supportforums.cisco.com/discussion/11766291/intercluster-sip-trunk-between-cucm-version-71-and-91
Thanks
please rate all useful ifnromation

Dot1q trunking

Hi all,
i have configured dot1q trunking between two switches with default native vlan 1 on set based switch.
how do i change native vlan other than vlan 1 on set based switch.
Thanx in advance for the response.
Regards,
Rajesh

802.1Q Trunk Configuration Guidelines and Restrictions
The following configuration guidelines and restrictions apply when using 802.1Q trunks and impose some limitations on the trunking strategy for a network:
When connecting Cisco switches through an 802.1Q trunk, make sure that the native VLAN for an 802.1Q trunk is the same on both ends of the trunk link. If the native VLAN on one end of the trunk is different from the native VLAN on the other end, spanning-tree loops might result.
Disabling spanning tree on the native VLAN of an 802.1Q trunk without disabling spanning tree on every VLAN in the network can cause spanning-tree loops. We recommend that you leave spanning tree enabled on the native VLAN of an 802.1Q trunk. If this is not possible, disable spanning tree on every VLAN in the network. Make sure that your network is free of physical loops before disabling spanning tree.
When you connect two Cisco switches through 802.1Q trunks, the switches exchange spanning-tree BPDUs on each VLAN that is allowed on the trunks. The BPDUs on the native VLAN of the trunk are sent untagged to the reserved IEEE 802.1D spanning-tree multicast MAC address (01-80-C2-00-00-00). The BPDUs on all other VLANs on the trunk are sent tagged to the reserved Cisco Shared Spanning Tree (SSTP) multicast MAC address (01-00-0c-cc-cc-cd).
Non-Cisco 802.1Q switches maintain only a single instance of spanning tree (the Mono Spanning Tree, or MST) that defines the spanning-tree topology for all VLANs. When you connect a Cisco switch to a non-Cisco switch through an 802.1Q trunk, the MST of the non-Cisco switch and the native VLAN spanning tree of the Cisco switch combine to form a single spanning-tree topology known as the Common Spanning Tree (CST).
When you connect a Cisco switch to a non-Cisco switch, the CST is always on VLAN 1. The Cisco switch sends an untagged IEEE BDPU (01-80-C2-00-00-00) on VLAN 1 for the CST. On the native VLAN, the Cisco switch sends an untagged Cisco BPDU (01-00-0C-CC-CC-CC) which the non-Cisco switch forwards but does not act on (the IEEE BPDU is not forwarded on the native VLAN).
Because Cisco switches transmit BPDUs to the SSTP multicast MAC address on VLANs other than the native VLAN of the trunk, non-Cisco switches do not recognize these frames as BPDUs and flood them on all ports in the corresponding VLAN. Other Cisco switches that are connected to the non-Cisco 802.1Q cloud receive these flooded BPDUs. This situation allows Cisco switches to maintain a per-VLAN spanning-tree topology across a cloud of non-Cisco 802.1Q switches. The non-Cisco 802.1Q cloud separating the Cisco switches is treated as a single broadcast segment between all switches that are connected to the non-Cisco 802.1Q cloud through the 802.1Q trunks.
Make sure that the native VLAN is the same on all of the 802.1Q trunks connecting the Cisco switches to the non-Cisco 802.1Q cloud.
If you are connecting multiple Cisco switches to a non-Cisco 802.1Q cloud, all of the connections must be through 802.1Q trunks. You cannot connect Cisco switches to a non-Cisco 802.1Q cloud through ISL trunks or through access ports because the switch will place the ISL trunk port or access port into the spanning tree "port inconsistent" state and no traffic will pass through the port.
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_8_5/confg_gd/e_trunk.htm#wp1045882

Trunking between Pix and pvlans

Hi,
I already wrote here for this problem, but no one answered me, so I'm trying again sending the question in a different mode.. :-))
I've a Cisco Switch (Catalyst 6500) and a Cisco Firewall (Pix 535). On the switch, I configured various pvlan, then I associated them to primary vlans.
On the Pix, I created logical interfaces with the same vlans of the switch. The question is: Why the trunk doesn't work? I know that trunking of pvlan between switches works without problems.. I cannot trunk pvlans between a switch and a firewall. If I try to trunk a simply vlan, it works! I don't find documentation about this.. Can you please help me?? Do you think it may be a software version problem??
Many thanks to all!!
If you think it's useful, I can post pix and switch main steps configurations..
Regards and kisses!! :-)
Daniela

Hi Robert,
The SG200 is a layer 2 switch and the SG300 is defaulted as a layer 2 switch. Lets say your default vlan is 1 for each switch. You may create vlan 10. Then configure the port between each switch as 1u, 10t. This will allow vlan 1 and 10 to communicate. Next, if you assign any port as an access port to vlan 10, anything connecting to a vlan 10 port on the same subnet will talk to each other.
View this picture below; The vlan 10 computers will communicate to each other ONLY on vlan 10. Since this is layer 2 networking, the vlan id will separate the layer 2 traffic while the layer 3 information is separate by subnet. In a fully functional network, the router would need to support the multiple subnet, either through subinterfaces, multiple IP interface or dot1q trunks. If you introduced a router to this mix, the vlan 1 subnet will get to the internet while the vlan 10 subnet will not.
-Tom
Please rate helpful posts

Sip trunk between CUCM7.0 and third party VOIP provider

Hi all,
I'm looking for a solution/howto configuration for setting up a SIP trunk between CUCM7.0 and a SIP-VoIP provider.
Got SIP username, password and SIP-proxy IP from the provider.
I've done such a setup on CUCME a couple of times, but never on the CUCM.
Who can put me on right way?
Can it be done on the CUCM, or must an IOS-Device be used (got a PSTN-GW connected through H323 with CUCM)?
THanks for the hint,
Greets Norbert

Here we go.....
CONFIG (Version=7.1)
=====================
Version 7.1
Cisco Unified Communications Manager Express
! Calling nr. incoming
voice translation-rule 40
rule 1 /$.*$/ /0\1/
! Discard prefix (calling nr.)
voice translation-rule 190
rule 1 /^0$.*$/ /\1/
rule 2 /^9$.*$/ /\1/
! Mapping, internat to external nr.
voice translation-rule 191
rule 10 /^[1-9].*/ /xxxxEXTERNALxxxx/
! for call-forwarding
rule 15 /^0$.*$/ /\1/
! Mapping external to internal nr.
voice translation-rule 192
rule 2 /^xxxxxEXTERNALxxxx/ /4xx/
voice translation-profile TP_IN_SIP
translate calling 40
translate called 192
voice translation-profile TP_OUT_SIP
translate calling 191
translate called 190
dial-peer voice 2001 voip
corlist outgoing dialCORnoFax
description *** SIP-TRUNK (OUT) ***
translation-profile incoming TP_IN_SIP
translation-profile outgoing TP_OUT_SIP
max-conn 2
destination-pattern 9.T
session protocol sipv2
session target ipv4:2xx.xxx.xxx.xxx
session transport udp
! customer external nr. range (one dot at the and -> 0-9)
incoming called-number xxxxxxxx.
dtmf-relay rtp-nte
codec g711alaw
no vad
gateway
timer receive-rtp 1200
sip-ua
keepalive target ipv4:2xx.xxx.xxx.xxx
authentication username xxEXTERNAL NR.xxxxx password 7 111111111111111111111
calling-info pstn-to-sip from number set xxEXTERNAL NR.xxxxx
retry invite 2
retry response 2
retry bye 2
retry register 2
retry options 1
registrar ipv4:2xx.xxx.xxx.xxx expires 60
host-registrar
Greets,
Norbert
Hope this help......Please rate if helpful

How to create multiple sip trunks between cucm and cisco unified sip proxy

Dear Expert,
Is there a way to create multiple sip trunks between CUCM and Cisco Unified SIP Proxy (CUSP)? How to achieve it without creating multiple IP interfaces on the CUSP module.
CUCM: 8.5.1.10000-9
CUSP: 8.5.2
Thank you,
.wan

Hello Michael,
This SIP trunk is part of UCCE solution, which used between CVP, CUSP, and CUCM.
The requirements:
1) To have different codecs for different type of calls, as the phones are at few countries
2) To pass different number of digits from CUSP to CUCM for different call treatments
.wan

Newbie: trunk between 6500 and Blade Switch 3020

Hi,
Beeing newbie , I need advice to setup trunk between my 2 switches.
I would like to use 4 ports as TRUNK
On the 6500 , this is what I have done :
set port channel 5/37-40 61
set trunk 5/37 auto isl 1-1005,1025-4094
set trunk 5/38 auto isl 1-1005,1025-4094
set trunk 5/39 auto isl 1-1005,1025-4094
set trunk 5/40 auto isl 1-1005,1025-4094
On the Blade Switch 3020 I have done :
interface GigabitEthernet0/17
switchport trunk encapsulation isl
switchport mode trunk
shutdown
channel-group 1 mode on
interface GigabitEthernet0/18
switchport trunk encapsulation isl
switchport mode trunk
shutdown
channel-group 1 mode on
interface GigabitEthernet0/19
switchport trunk encapsulation isl
switchport mode trunk
shutdown
channel-group 1 mode on
interface GigabitEthernet0/20
switchport trunk encapsulation isl
switchport mode trunk
shutdown
channel-group 1 mode on
Will that work ?
Could you tell me if I have to put the trunk port on the same VLAN ?
Many thanks in advance for your help.
regards
David

version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
hostname Lux-bl-sw1
enable secret xxx
no aaa new-model
ip subnet-zero
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
vlan internal allocation policy ascending
interface Port-channel1
interface FastEthernet0
no ip address
no ip route-cache
interface GigabitEthernet0/1
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/2
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/3
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/4
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/5
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/6
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/7
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/8
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/9
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/10
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/11
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/12
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/13
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/14
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/15
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/16
switchport access vlan 181
speed 1000
spanning-tree portfast
interface GigabitEthernet0/17
interface GigabitEthernet0/18
interface GigabitEthernet0/19
interface GigabitEthernet0/20
interface GigabitEthernet0/21
interface GigabitEthernet0/22
interface GigabitEthernet0/23
interface GigabitEthernet0/24
interface Vlan1
no ip address
no ip route-cache
interface Vlan181
ip address xxx.xx.x.xxx 255.255.0.0
no ip route-cache
ip default-gateway xxx.xx.x.xx
ip http server
control-plane
line con 0
line vty 0 4
password fsv14m
login
line vty 5 15
password fsv14m
login
end
Port Name Status Vlan Duplex Speed Type
Gi0/1 connected 181 full 1000 1000BaseX
Gi0/2 connected 181 full 1000 1000BaseX
Gi0/17 connected trunk a-full a-1000 10/100/1000BaseTX
Gi0/18 connected trunk a-full a-1000 10/100/1000BaseTX
Gi0/19 notconnect 1 auto auto Not Present
Gi0/20 notconnect 1 auto auto Not Present
Gi0/21 connected trunk a-full a-1000 10/100/1000BaseTX
Gi0/22 notconnect 1 auto auto 10/100/1000BaseTX
Gi0/23 connected trunk a-full a-1000 10/100/1000BaseTX
Gi0/24 notconnect 1 auto auto 10/100/1000BaseTX
Po1 notconnect 1 auto auto
Fa0 connected routed full a-100 10/100BaseTX
We saw that all the ports on the gig switch are set to be trunk by default.
trunk works
I need to investigate how to setup a ether channel trunk ( to have a 4 gig trunk instead of 4*1 gig )

Dot1q trunk between WS-C3548-XL and WS-C2950G-48-EI

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