VTP Between 3750 and 2811

Hey All,
I'm attempting to create a trunk between a 3750 and a Cisco 2811 router (with a 16 port switching module NM-16-ESW). I'm using an etherchannel trunk between the two. I'm trying to configure VTP on the 3750 (server) and make the 2811 a client. Below is a copy of the configs and output from relevant commands. Any clue why I'm not seeing vlans on the 2811?
2811 Router Config:
interface Port-channel1
switchport mode trunk
nterface FastEthernet1/14
switchport mode trunk
channel-group 1 mode on
interface FastEthernet1/15
switchport mode trunk
channel-group 1 mode on
MPLS-TEST#sh vlans
No Virtual LANs configured.
MPLS-TEST#sh vtp status
VTP Version : 2
Configuration Revision : 1
Maximum VLANs supported locally : 256
Number of existing VLANs : 6
VTP Operating Mode : Client
VTP Domain Name : VTP
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xE7 0x0F 0xE8 0x89 0x47 0xAE 0x7E 0x7B
Configuration last modified by <IP of 3750> at 3-1-93 00:06:05
3750 Config and Shows:
interface Port-channel1
switchport trunk encapsulation dot1q
switchport mode trunk
interface FastEthernet1/0/47
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode on
interface FastEthernet1/0/48
switchport trunk encapsulation dot1q
switchport mode trunk
channel-group 1 mode on
sw-upstairs#sh vtp status
VTP Version : 2
Configuration Revision : 1
Maximum VLANs supported locally : 1005
Number of existing VLANs : 6
VTP Operating Mode : Server
VTP Domain Name : VTP
VTP Pruning Mode : Disabled
VTP V2 Mode : Disabled
VTP Traps Generation : Disabled
MD5 digest : 0xE7 0x0F 0xE8 0x89 0x47 0xAE 0x7E 0x7B
Configuration last modified by <IP of VLAN 1> at 3-1-93 00:06:05
Local updater ID is 134.178.220.224 on interface Vl1 (lowest numbered VLAN interface found)
sw-upstairs#sh vlan
VLAN Name Status Ports
1 default active Fa1/0/1, Fa1/0/2, Fa1/0/3
Fa1/0/4, Fa1/0/5, Fa1/0/6
Fa1/0/7, Fa1/0/8, Fa1/0/9
Fa1/0/10, Fa1/0/11, Fa1/0/12
Fa1/0/13, Fa1/0/14, Fa1/0/15
Fa1/0/16, Fa1/0/17, Fa1/0/18
Fa1/0/19, Fa1/0/20, Fa1/0/21
Fa1/0/22, Fa1/0/23, Fa1/0/24
Fa1/0/25, Fa1/0/26, Fa1/0/27
Fa1/0/28, Fa1/0/29, Fa1/0/30
Fa1/0/31, Fa1/0/32, Fa1/0/33
Fa1/0/34, Fa1/0/35, Fa1/0/36
Fa1/0/37, Fa1/0/38, Fa1/0/39
Fa1/0/40, Fa1/0/41, Fa1/0/42
Fa1/0/43, Fa1/0/44, Fa1/0/45
Fa1/0/46, Gi1/0/1, Gi1/0/2
Gi1/0/3, Gi1/0/4
5 INTERNET active
I'm baffled why these vlans aren't showing on my 2811. Any ideas?
Thanks,
Mike

Hey All,
Thanks for the input! I was actually able to solve the issue. It appears that "sh vlans" is different on an IOS router than an IOS switch. On the router it shows sub-interface ISL/dot1q trunks to a switch. This is obviously different for me as I have a switching card. In order to see VTP in action on the router and verify it was working I actually needed to view it through the VLAN database. See below:
MPLS-TEST#vlan database
MPLS-TEST(vlan)#show
VLAN ISL Id: 1
Name: default
Media Type: Ethernet
VLAN 802.10 Id: 100001
State: Operational
MTU: 1500
VLAN ISL Id: 5
Name: INTERNET
Media Type: Ethernet
VLAN 802.10 Id: 100005
State: Operational
MTU: 1500
VLAN ISL Id: 10
Name: INTERNET-DMZ
Media Type: Ethernet
VLAN 802.10 Id: 100010
State: Operational
MTU: 1500
VLAN ISL Id: 20
Name: PRODUCTION
Media Type: Ethernet
VLAN 802.10 Id: 100020
State: Operational
MTU: 1500
VLAN ISL Id: 25
Name: LAPTOPS
Media Type: Ethernet
VLAN 802.10 Id: 100025
State: Operational
MTU: 1500
VLAN ISL Id: 30
Name: NETWORK-DISTRIBUTION
Media Type: Ethernet
VLAN 802.10 Id: 100030
State: Operational
MTU: 1500
VLAN ISL Id: 250
Name: BGP-ROUTING
Media Type: Ethernet
VLAN 802.10 Id: 100250
Certainly is confusing and left me scratching my head. Thanks for the help though! I through this up on my blog too so someone in the future isn't chasing his/her tail
-Mike
http://cs-mars.blogspot.com

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I have a stack of 6 Cisco Catalyst 3750G with 6 VLANs acting as a VTP server and want to establish a trunk link to my Cisco 2811 router equiped with a switching module 16 ports. Can I set the 2811 as a VTP client to propagate the VLAN info from the 3750 and configure one of the port on the switching module of the 2811 as a trunk encapsulated DOT1q and will I be able to route to the outside world.
Thank you

I beleive the switching cards support vtp and that should be possible.
Table 2. Features Supported on Cisco EtherSwitch Modules
EtherSwitch Network Modules (NM-16ESW and NMD-36ESW)
EtherSwitch HWICs (HWIC-4ESW and HWICD-9ESW)
EtherSwitch Service Modules (NME-16ES-1G, NME-16ES-1G-P, NME-X-23ES-1G, NME-X-23ES-1G-P, NME-XD-48ES-2S-P, and NME-XD-24ES-1S-P)
VLANs
Multiple VLANs per Switch
Yes (varies by chassis; maximum of 64 on Cisco 3845)
Yes (maximum of 15 on any chassis)
Yes (maximum of 1,024 per switch or stack)
VLANs in 4,000 Range
No
No
Yes
IEEE 802.1Q Tagged and Untagged VLANs
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Yes
Yes (802.1Q and Inter-Switch Link [ISL])
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hi folks,
is there any links which will provide me on the comparison between 3750 and 3750-metro? for exapmple, isis is not support on 3750 but it support on 3750-metro. The product information from cisco site is insufficient in term of the main differences :p
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Hi Josh,
The Cisco Catalyst 3750 Metro Series is built for Metro Ethernet access in a customer location, enabling the delivery of more differentiated Metro Ethernet services. These switches feature bidirectional hierarchical QoS and Traffic Shaping, intelligent 802.1Q tunneling with class-of-service (CoS) mutation, VLAN translation, MPLS, EoMPLS, and Hierarchical Virtual Private LAN Service (H-VPLS) support, and redundant AC or DC power. They are ideal for service providers seeking to deliver profitable business services, such as Layer 2, Layer 3, and MPLS VPNs, in a variety of bandwidths and with different SLAs.
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http://www.cisco.com/en/US/products/hw/switches/ps5532/products_qanda_item09186a00801eb822.shtml
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Link between 3750 and 4908 (Lx, monomode fiber)

Hello,
I have a new swtich a C3750 and a 4908 works very well.
I try to link a 3750 and a 4908, my results :
- Port of 3750 and 4908 is up when I put "speed nonegociate" . And juste few packets arrive to the 4908 and I can't ping the 4908.
- Port of 3750 is up with "speed nonegociate", and the port of 4908 stays down....
- Port of 3750 and 4908 stay down without "speed nonegociate" ... :(
You can see the 3750's config in attachments.
Ps : Sorry for my english, i'm a french student :)
Thank in advance

Hi
In recent past i had tried interfacing 3750 installed with LX SFP with third party SFPs installed in Lucent DSLAMs with speed nonegotiate on the cisco 3750 side.
We did face some kinda wierd problems after the lucent DSLAMs get rebooted or sometimes even we disconnect and reconnect the fiber it happened that we failed to get the link(connectivity).
So i would suggest to go for an original Cisco SFP make to avoid all these intermittent issues which can result in unecessary downtimes..
regds

VTP between CAT3750-X and CAT4500-X

Hi,
I have a 3750 and a 4500 that are trunked together to share vlan 10 and vlan 100 through a VTP domain - test. The VLAN 100 on my 4500 has an IP of 192.168.3.1 and the VLAN 100 on my 3750 has an IP of 192.168.3.5. Is this do-able? For some reason I can't ping itself 192.168.3.5 locally from my 3750, but I could ping it from my 4500 or any other workstations on vlan 100. I can ping 192.168.3.1 (4500) from 3750.
Why is this the case?
I have created VLAN 10 on the 4500 with an IP of 192.168.2.249/30 so it can be an interface to connect to the next hop of 192.168.2.250/30 to my inside interface of my firewall. Again, I can ping 192.168.2.249 from my 4500, but I can't ping it from my 3750.
Any help or pointer would be greatly appreciated!
thank you!

It's up to really as to how you do it.
There are two main options -
1) have everything in vlan 100 and use the firewall as the default gateway.
The 4500 and the 3750 do not need to do any L3. You can create SVIs for them in vlan 100 and give them IPs and if you want set the default gateway to be the ASA.
All clients would use the ASA as their default gateway.
Any traffic between clients and servers would not go to the ASA because they are all in the same vlan/IP subnet.
or
2) leave it is as it and set the default gateway for all clients to be the vlan 100 interface on the 4500. The 4500 needs to have routing enabled and a default route pointing to the ASA.
The ASA needs a route back which you have
The 3750 does not need routing enabled and can just be configured with a default gateway the same as the clients ie. the vlan 100 interface IP on the 4500.
You don't need vlan 10 on the 3750, only vlan 100.
If you are going to be creating more vlans in future it makes sense to go with the second option.
Otherwise it doesn't really matter to be honest.
Really it's up to you as either will work.
Jon

LACP between SRW2048 and Cisco 3750

Hi,
I have been trying to set up a LACP link between my SRW2048 and Cisco 3750 using two gigabit ethernet links.
Whenever i plug one cable in the interface does not come back up.
I have already sucessfully been able to create a LACP link between the 3750 and a catalyst 2960 for two cables.
Both interfaces at both units are set up as trunks for Vlans 1 (default and untagged), 4, 99, 101, and 102, then the Port-channel / LAG set also as a trunk with the same vlans.
Does anyone have any ideas why the interface is not even initialising?
If i plug a SRW2048 LAG'd interface into a normal access (vlan1) port on the 3750 it works fine, and vice versa with the 3750 to the SRW2048.
Below is a extract of logs from both:
-- Log from SRW2048
1   2147483579   07-Oct-2008 16:12:24    Informational   %LINK-I-Up: ch1
2   2147483580   07-Oct-2008 16:12:24    Informational   %LINK-I-Up: Vlan 102
3   2147483581   07-Oct-2008 16:12:24    Informational   %LINK-I-Up: Vlan 101
4   2147483582   07-Oct-2008 16:12:24    Informational   %LINK-I-Up: Vlan 99
5   2147483583   07-Oct-2008 16:12:24    Informational   %LINK-I-Up: Vlan 5
6   2147483584   07-Oct-2008 16:12:24    Informational   %TRUNK-I-PORTADDED: Port g4 added to ch1
7   2147483585   07-Oct-2008 16:12:19    Informational   %LINK-I-Up: g4
## Plugged back into standard vlan1 access port ##
## Plugged into LACP enabled port on 3750 ##
## Unlugged from standard vlan1 access port ##
8   2147483586   07-Oct-2008 16:11:10    Warning   %LINK-W-Down: ch1
9   2147483587   07-Oct-2008 16:11:10    Warning   %LINK-W-Down: g4
10 2147483588   07-Oct-2008 16:11:10    Warning   %LINK-W-Down: Vlan 102
11 2147483589   07-Oct-2008 16:11:10    Warning   %LINK-W-Down: Vlan 101
12 2147483590   07-Oct-2008 16:11:10    Warning   %LINK-W-Down: Vlan 99
13 2147483591   07-Oct-2008 16:11:10    Warning   %LINK-W-Down: Vlan 5
14 2147483592   07-Oct-2008 16:11:10    Warning   %TRUNK-W-PORTREMOVED: Port g4 removed from ch1
-- Log from Catalyst 3750
mercury#terminal monitor
mercury#
Oct 7 15:10:44: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet   1/0/17, changed state to down
Oct 7 15:10:45: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/17, changed state    to down
Oct 7 15:11:54: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/17, changed state    to up
Oct 7 15:11:55: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet   1/0/17, changed state to up
mercury#

The linksys documentation is a little thin on the ground all over.
However, if i have got this correct the Admin key needs to be the same for all interfaces in the same LAG for one switch i.e not the same for both ends of the cable?
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Thanks for your reply.

Etherchannel between stack switches[3750] and standalone switch[3560]

Hi,
I have 2*3750 switches in stack as core and 1*3560 switch in access layer. I want to enable ether channel between stack switch[3750A & 3750B] and 3560 switches.
Have connected 2 links from 3560 switch to stack switch, one link to 3750A and other link to 3750B. Will it work in this way as per my requirement?
or i should enabled stacking on 3560 switch too and configure cross-stack ether channel between 3750 stack and 3560 stack. i refered few cisco documents, but the cross stack etherchannel configuration example has 3750 at both end stacks.
Rgds...
VikramS

Hi,
This should work fine as per you set up, the 3750 stack will be acting as one switch, which means that the ether-channel configuration should be straight forward. There is no need to stack the 3560 for this to work, also the 3560 are not stackable.
Hope this helps.

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I configured the Switch 3750 and ACS for 802.1x authentication.
when I used the windows as the 802.1x client, it prompted "click here to enter user name and pasword for the network " as normal.
The problem is that after I entered username and password (i am sure i enter the identical username and password as in ACS) the authentication failed,
What is the most possibly problem?
Thx in advance!!!
The configuration is Sw3750 is:
aaa new-model
aaa authentication login default local
aaa authentication enable default line
aaa authentication dot1x default group radius
aaa authorization network default group radius
dot1x system-auth-control
interface GigabitEthernet1/0/18
description Link to test 802.1x
switchport access vlan 119
switchport mode access
dot1x pae authenticator
dot1x port-control auto
spanning-tree portfast
radius-server host 10.1.1.333 auth-port 1645 acct-port 1646
radius-server source-ports 1645-1646
radius-server key keepopen0
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Network Configuration -->aaa client ip address: 10.1.119.1(the vlan 119's ip address), shared secret: keepopen0
user setup -->real name:test1, password: test1.
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We have the 3750 and 3550 switches installed at our site and we are getting the following errors.
%LINK-3-UPDOWN: Interface GigabitEthernet2/0/13, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet2/0/13, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/7, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/7, changed state to down
%LINK-3-UPDOWN: Interface FastEthernet0/7, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/7, changed state to up
%LINK-3-UPDOWN: Interface GigabitEthernet2/0/11, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet2/0/11, changed state to up
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%LINK-3-UPDOWN: Interface GigabitEthernet2/0/11, changed state to up
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Here is most of the configuration for the 3750, it won't allow me to post all of it
show running
Building configuration...
Current configuration : 5733 bytes
! Last configuration change at 10:02:01 UTC Fri Sep 29 2006 by enable
! NVRAM config last updated at 10:02:01 UTC Fri Sep 29 2006 by enable
version 12.2
no service pad
service timestamps debug datetime
service timestamps log datetime
service password-encryption
service sequence-numbers
hostname CLO511204
no logging console
enable secret 5 $1$FQBc$HnhMngh.vj1ShB8AclhsX0
aaa new-model
aaa authentication login default local
aaa session-id common
clock timezone UTC -7
clock summer-time UTC recurring
ip subnet-zero
ip domain-name clovisprd
ip name-server 10.17.150.1
ip name-server 10.17.150.11
vtp mode transparent
no file verify auto
spanning-tree mode pvst
no spanning-tree optimize bpdu transmission
spanning-tree extend system-id
vlan internal allocation policy ascending
vlan 150
name SWC-CONTROL
interface FastEthernet0/1
description PLC WS00-00
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/2
description PLC BC00-00
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/3
description PLC U300-00
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/4
description PLC P100-00
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/5
description PLC DRY1-00 NuCon
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/6
description PLC EVP1-00
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/7
description PLC DRY1-00
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/8
description PLC DRY1-10
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/9
description PLC DRY1-15
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/10
description SW PFR1-03
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/11
description PV+ PFR1-03 NotUse
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/12
description SW PFR1-02
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/13
description PLC PL20-01
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/14
description PV+ PFR1-02
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/15
description PLC IIC
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/16
description PLC angle
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
interface FastEthernet0/17
description Spare
switchport access vlan 150
switchport mode access
duplex full
spanning-tree portfast
Thanks in advance for any help you can provide

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                                  trunk                     trunk
   Core switchrouter<----------S5700<--------------->Cisco Catlyst 3750
I haven’t touch Cisco switch for many years, I would like to ask the following questions:
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I have in my domain :
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C2950 is in vtp client mode
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Hi,
Thanks for reply.
I thought that VTP could be forwarded across c2821 but it doesn't work like a switch/router such as C3750 in vtp transparent mode.
I suppose that C2821 has not the same switching backplane architecture than C3750.
I put a trunk link cable between c3750 and c2924
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Jochen,
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O1                 10       3                      D3            10            4
How can i determine that a particular delivery corresponds to which schedule line of that saler order-item?
We have the link between delivery and sales order but is there any way that we can get the link of delivery at schedule line level?
Please help.
Regards,
Gaurav

Hi,
I suppose you must check with SD functional consultant and the post should also be in the logistics SD forum and not BI. But I suppose there is know specific link between the schedule line of SO to the Delivery. It is more like a bucket flow for ex.
Sale order   Item    Schedule line qty
SO1            Item1     Sch1            10
SO2            Item1      Sch2           10
Delivery Item QTy
DO1       IT1   15
DO2       IT1    5
In this case qty 15 is distributed over both SO1 and SO2, and SO2 ITem1 Sch2 has link to both the DOs
So I am not sure if you can establish a one to one link, please check with your SD consultants.
Regards,
Ashwin G

VTP Between 3750 and 2811

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