Netwoking :: VLAN Trunking On Router 1700
Feb 11, 2011
I have a Cisco 1700 series router (i dont know exact series number) running:
ROM: System Bootstrap, Version 12.2(7r)XM4, RELEASE SOFTWARE (fc1)
ROM: Cisco IOS Software, C1700 Software (C1700-K9O3SY7-M), Version 12.3(7)XR3, RELEASE SOFTWARE (fc2)
installed is a WIC-4ESW card.
This should be simple, cant get it working. in a nutshell... I'm trying to configure fa0 as a vlan "trunk" port trunking vlans 1 and 20 from my managed switch (switch is configured correctly) and i want fa1 on vlan 1 and fa2 on vlan 20.
another words:
fa0 tagged with vlan 1 & 20
fa1 untagged with vlan 1
fa2 untagged with vlan 20
Code:
! Last configuration change at 20:35:48 EST Sat Feb 12 2011
! NVRAM config last updated at 20:47:38 EST Sat Feb 12 2011
version 12.3
[Code] .....
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Feb 18, 2011
I have a number of class-'c's as a hand-off from my data center fiber to my 2960, which then sprawls the racks with about many 2950 switches, mostly 20 machines per switch. To allow machines on one 2950 to push data to another 2950 without routing back to my ISP's router(which costs money for bandwidth) isn't is possible to trunk one port on each 2950 to another 2950 and adding a addititional vlan8 to them. Then data jumps from 2950 to 2950 without going back to the 2960 or mainly not going back to my ISP's router. Is this the correct way to accoplish this with extra vlan and trunking the 2950's to each other or am I looking at this all wrong?
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Oct 24, 2011
I have a rather large network with multiple VLANs and routing. Here's the layout:
5540 subinterface = gi0/2.18 = 10.16.18.1/24 TRUNKED to a 2960
2960 has an interface set to VLAN 18 (no IP) goes to a Cisco 4507 with an int. set to VLAN 18 (no IP)
4507 then has a trunk to a Cisco 7206
7206 then trunks to a Cisco 3845
3845 trunks to a 3750 (single)
3750 (single) trunks to a 3750 Stack
3750 Stack has int. set to VLAN 18 that goes to a 3750(lab) w/ int set to VLAN 18 w/ IP 10.16.18.251/24, VLAN502 = 10.202.255.1/30,
VLAN510 = 10.203.255.1/30
3750(lab) then has a trunk that connects to ASA 5510 w/ subinterfaces: e0/1.18 = 10.16.18.253/24, e0/1.510 = 10.203.255.2/30, e0/1.502 = 10.202.255.2/30
ASA5510 then goes to Internet
Any trunks are set to allow all VLANs. From the 2960 to the 3750 stack it's obviously all Layer 2 with trunking.
Issue:If I sit at the 5540, I can ping 10.16.18.251 and .253 with no problems. I can also ping 10.203.255.1 with no problems. Problem is that I cannot get to the other subinterfaces on the 5510 for VLANs 502 and 510. How do I ensure that my trunk is set up right? I have a route in the 5540 pointing to the 10.203 and 10.202 using the 10.16.18.251 address. It seems like a traceroute gets to the 10.16.18.251 address but then it stops. What route should be on the 5510 to make sure it gets back? The default route on the 5510 points to the Outside. I think it's something to do with the trunk that's just something I don't understand yet.
5510:
show int ip bri:
Ethernet0/1.18 10.16.18.253 YES manual up up
Ethernet0/1.502 10.202.255.2 YES manual up up
Ethernet0/1.510 10.203.255.2 YES manual up up
[code]....
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Apr 15, 2013
does SG200 support VLAN Trunking?
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Getting a AIR-AP1141N to work with an existing SRP526.
The SRP has two VLANs and two SSIDS
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So far so good. Now we need to extend the Range of the Wireless and bought an AIR-AP1141N. And this AccessPoint works like a charm, BUT only with one SSID,
I configured in the Port Management Area of the SRP526 both VLANs on one Port and configured the Access Point for multiple SSID use, but i don't get an IP from the DHCP Server Range of the VLAN100.
Could it be possible, that die Access Point can not get the tag Information?
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Oct 30, 2011
Having an issue getting my DMZ vlan working. Running my ASA5505 and i have configured e0/2 for DMZ w/ VLAN ID 3. Connected to my 2716 on port2.Inside e0/1 w/ VLAN ID 1. Connected to my 2716 on port1.
I am trying to get my DMZ Vlan to ports3&4 (LAG1) but when i assign the LAG group to PVID 3 i lose connectivity on VLAN1. I want to send both VLANs to that host because the teamed adaptor is used for Hyper-v Network Switch.
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Jun 3, 2012
We have two Cisco switches with one 3560 and one 3750 we have created a new Vlan 4 with IP 10.1.3.x 255.255.255.0 - no shut then assigne to gi 2/0/46 on the 3560 Vlan 4 ip address 10.1.3.x 255.255.255.0 no shut then assign to FA0/45. All interfaces are up up along with the Vlan up up, we can ping the local IP address bu not able to pint the other switch.
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Apr 14, 2011
Having problem pinging from Host A on ESX1 to Host B on ESX2. Each host are assigned the same port-profile. If I put 2 host's on the same ESX machine using the same port-profile, they are able to ping each other.
n1kv-vsm# sh port-profile name xxx-prod-40port-profile xxx-prod-40 description: type: vethernet status: enabled capability l3control: no pinning control-vlan: - pinning packet-vlan: - system vlans: 1 port-group: xxxl-prod-40 max ports: 32 inherit: config attributes: switchport mode private-vlan host switchport private-vlan host-association 40 400 no shutdown evaluated config attributes: switchport mode private-vlan host switchport private-vlan host-association 40 400 no shutdown assigned interfaces: Vethernet3 Vethernet4
System-uplink profile is trunking all vlans.
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Jan 12, 2010
I have a HP Procurve 5406 connected to a Cisco 3560 on a temporary cat5e connection and I have Mitel IP phones needing to go on the Cisco switch.Ive configured the HP Procurve port to TAGGING both VLAN 10 (data) and VLAN 20 (Voice). NO is selected for default VLAN 1.The Cisco is configured on the port with switchport encap dot1q and switchport mode trunk.
Ive configured an IP for interface VLAN 10 and i cannot ping it from across the network. The interfaces are up and happy. I have tried changing the VTP status from transparent to server (VTP pruning is off) ive tried setting allowed vlans 10,20. Still not a think. The worse thing is that i have a working Cisco switch with the HP procurve that i checked the config on and its the same! The only difference is that the media type is SX over SFP in that case.
p.s not that im at this stage yet but i initially configure the FastE ports as trunks with native vlans because i was using non-cisco phones. On a spare port i convigured the voice vlan 20 and i say on the mitel phone that it was looking on vlan20! I didnt expect that, i thought the Voice VLAN ID was carried on CDP enabled devices only.
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Feb 28, 2012
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Apr 3, 2011
We are facing strange issue in our network. We have a remote branch which is connected to main branch using Leased Line. Remote branch is having Cisco 1700 Router. Every day in the morning time the remote router is unreachable. We are not able to reach (ping/telnet) the remote Router but able to reach L3 switch/ LAN behind this router. The users from remote branch is also not able to reach the local router but they are able to ping the Main branch.Users in the remote branch are not able to access any resources in the main branch during the issue.
During the issue, we have checked the remote branch router and found the CPU utilization of the Cisco 1700 router is very high (99%). If we run "Show process CPU" command (please find the attachment) specially IP input process is very high (97%).
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Aug 25, 2012
I'm trying to configure 1700 K9 router to act as PPTP client and connect to Microsoft VPN server (in order to enable all clients on LAN to seamlessly access host on remote location). [URL]
I'm using GMS3 to test everything in lab environment. I managed to connect to Microsoft VPN server but the connection drops immediately. Below is debug info from router R1 (router R2 just simulates host on LAN) and configurations for both routers. The only clue I got from debug is that immediately before closing connection there's a message "CCP: Failed to negotiate with peer"...
R1#sh debug
PPP:
PPP detailed event debugging is on
MPPE Packet Details debugging is on
[Code].....
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Apr 7, 2011
i got a big problem, during a configuration reset i got an electrical blackout. I have set the configuration back after a password reset and send the reset prompt. At the restart of the router the blackout take all for 10 seconds out. When i restart the system an connect the router with the hyper terminal i get the following output:
[Code].....
I think the config was lost but how can i restart the router and enter a new one?
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Jan 23, 2012
We currently have a main network running through a static broadband connecting using a Cisco 1700 ADSL router, everything is working fine locally.
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Jan 17, 2011
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Feb 26, 2012
I was looking for a way to connect an AUX port from a 1700 router to a 6500 switch module console port, to see the output of the Switch's on the 1700 router, in case there is a network downtime, I could see what's going on in the switch, what cable should I use ? Also, is there is any kind of documentation for this type of config what have I seen is very few info.
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Oct 20, 2012
Imagine I am designing a small network with a C2900 router running OSPF and in the future BGP with service provider. Please see attached diagram.The router is connected to (2) C3750 Layer 3 distribution switches. Then one C3560 layer 2 switch to serve future IP phone users and desktops.
Question:
a)If I connect the router interface to the (2) 3750 switches, if I make the router interface fa0/0 and fa0/1 as a trunk to accomodate VLAN 200 and other future VLANs, don't I have a problem with overlapping networks between router interface fa0/0 and fa0/1?
b)Alternatively, I could make the Router1 fa0/0 and fa0/1 configured with IP addresses and advertised in OSPF. Then the SW1 fa0/24 and and SW2 fa0/24 I could make as 'no switchport and create a routed interface port' with IP addresses, also running OSPF. Question is, from a scalable design perspectie, would you create 2 management networks and use those when assigning the IP addresses for Router1 fa0/1 and fa0/2? Because again Router1 fa0/1 and fa0/2 obviously need to be placed on different networks to avoid overlapping. So my question is more about proper network planning design to make this scalable to accomodate future VLANs in the future.Using trunks between the Router1 and SW1 option:
Router1
int fa0/0
description connection to SW1
no ip add
int fa0/0.200
[code]....
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Dec 19, 2010
I have two sites with a dedicated, point to point, LAN, site 1 has a Cisco 1700, LAN IP: 192.168.0.101; Site 2 has a Cisco 1800, LAN IP: 192.168.1.101.From site 2 I can ping the router on the other side: 192.168.0.101, but nothing else on that network
From Site 1 I can't ping the other network at all,Both sites ping fine to their respective local interfaces. I also noticed, when trying to ping site 2 from 1, the "WIC ACT/CH" light blinks, otherwise it's off.
Site 1 has it's own web connection through COMCAST, site 2 is set to route through site's 1 connection to go out. The only thing the routers are doing are the actual connection between sites, and in the case of site 2, routing web traffic to 192.168.0.100, which is a Sonicwall on Site 1.
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Jul 26, 2011
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version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname cisco-modem(code)
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Jun 11, 2013
this is my first time configuring a cisco router. For instance, a cisco router 1700 with 2 ethernet WICs and 1 LAN port. We have 2 ISPs one more stable than the other. We use an RDP session to an external host identified by lets say IP address 200.1.1.2 using ISP2 to get to this computer. We use ISP1 for all the internet usage, web pages, youtube etc. We are thinking of using this cisco router 1700 to make the packet filtering and routing of this RDP session to the correct ISP2 since we only have 1 NIC per computer on the LAN side.
The main idea would be:
| YES -----> ----------- then use ISP2
LAN---------> Are the packets RDP ?
| No--------> ----------- then use ISP1
Does this can be achieved using packet filtering using extended ACLs and to be router from the lan interface to route rdp (port 3389) packets to ISP2 WAN interface?
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Apr 15, 2013
As a matter of fact i am new to this field .I have cisco 1700 series router which has ea0 and FE 0 port
E0 connected to LAN and FA0 for ISP ,both are configured wit publisc ip.and ststic route to ISP. (E0 connected to switch and fa0 connected to ISP MUX)
When i issued sho arp command i have received more than 30 entries of MAC and IP address . I am wondering how i received this much mac in arp table.
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Feb 29, 2012
I have a Cisco 4503 with a supervisor 6 engine. I want to create a trunk between the router and a switch. when I do :
switch port mode ? Access
Dot1q-Tunnel
Dynamic
Private-v lan
Trunk
I thought I should see :
switch port mode encapsulation dot1q
switch port mode trunk
Am I missing something I do not see where I set the encapsulation.
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Apr 1, 2012
my current network setup is like this.. a cisco 3560 is connected on an access port to an adjacent dlink stack. i want to enable trunking between the cisco and the dlink. what i know is that dlink doesnot support per vlan STP while dlink only run single instance of the STP.. how can i make the trunking possible without messing with the network.
the idea that i have is to run MSTP instance on the 3560 so that it appears as a single STP to the dlink switch and then all good. is there any other way to do that. if i just make both the adjacent ports on both the switches as trunk and connect them, will it cause any problem in terms of STP issues or convergence ?
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Jan 27, 2012
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Aug 8, 2011
We are trying to implement a SLM2024 into our environment to be used on a lab bench. I am trying to get trunked traffic from a Catalyst 4948 to this switch. The Cisco documentation on how to do this on the 2024 is not very good. Does nyon know the correct way to do this. Currently I have ports 1 and 2 in a LAG and would like to use these as my trunk ports for the switch. I have roughly 10 vlans I am trying to gett over to the switch.
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Feb 20, 2012
I am very new at this, but we have a 2801 router running 12.4, a 3560 that acts as the "Core" switch, and a bunch of remote 2960G's that connect via fiber to different buildings.
I am tasked to VLAN this network to reduce broadcast traffic. I started by setting up a VLAN 169 on the "3560" named the VTP domain, changed to version 2, and no password. THe Core switch and remote switch can share the VTP info, I HAD the Router seeing it too (able to ping 192.168.169.1) until I changed the "Domain" and "VTP Version"
The switches see each other fine, my problem is the Router sub interface 0/0.169 I cannot get to see the VTP domain. I imagine because I don't have a "Trunk port" set on the Router, but the option is not there. Meaning I cannot do a "switchport mode trunk" on it. The only thing I see is to make it:
TCRouter(config-subif)#encapsulation dot1Q 169 native
But, my "int fas 0/0" is used now as the main interface for our "only" network 192.168.0.0, do I need to turn this over to a subinterface and make it "Native" then the difference of the subinterfaces will advertise? Here is some of my conf:
Core SW:
TCCoreSW#sh vtp status
VTP Version : running VTP2
Configuration Revision: 8
Maximum VLANs supported locally : 1005
[Code]....
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Nov 20, 2012
Create a port channel out of interface 3 and 4 of ASAConfigure 2 sub-interfaces in those Po interface (my inside vlan and the dmz)At the 4948, configure a trunked port channel out of a single interface (funny ), then do the same in the second 4948Connect ASA port 3 to the 1st 4948's single-interfaced port channel, ASA port 4 connects the same on the 2nd 4948.
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Apr 10, 2013
Attempting to trunk an Avaya POE switch to a Cisco 3750X switch. Here's the Cisco port config: [code]
Cannot PING Avaya switch at 10.89.0.5. I have Cisco switches at .1,.2 and .3. I can PING those and access them. Any additional config needed on Cisco trunk port?
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Sep 16, 2012
[URL] I am not savy configuring ASAs at all and I can't get it to work. We are switching to a SIP trunk phone system and I am in charge of setting up the ASA to not only make it work but also make sure that there's packet priority or QoS.I've never configured something like this and I was giving another set of instructions to make sure that this is working:
[URL]
Configuration:
My configuration is very basic:
3 interfaces - Outside/Inside/Guest
ASA Version: 7.2(3)
ASDM Version 5.2(3)
Firewall Mode: Routed
Solution: When I tried following the instructions on brian-kayser's blog I get an error when I'm sending the following command:
shape average
^ Invalid marker
service-policy PRIORITY-POLICY
^ Incomplete command
I think it's because my version of ASA doesn't have this functionality but I don't know.
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Apr 23, 2012
We purchased two new 4948 with two 10GE uplink ports and upgraded the devices to run IOS 15. My 6506 is running Sup 720 with s77233-adventerprisek0_wan-mz.122-33.SXI9. Currently we have 4948's connected to the same 6506's with no problems. Today I tried to add the new switches with new IOS and it caused of of my 6506 core switches to failover. I can't explain why because it was close to start of business and couldn't do much troubleshooting.
Currently we have four 4948 (running IOS 12.2(14) switches running Layer2 connecting dually to each of the two 6506 cores via 10GE fiber uplinks. I tried to add two more to the scenario, again running layer2 and dual-honing them to each of te 6506 switches. there are two 6506 core switches and they run HSRP and spanning tree is manually set to give priority to even vlans on one 6506 and odds on the other 6506. Also the new switches I tried to add did had rootguard applied as well as the uplinks.
We have to get this working and have no test environment to work with. We need to do this late this evening after close of business.
On another note, I have had problems upgrading some of my older 4948's to IOS 15. I followed Cisco's suggestion and upgraded the EPROM first and then the IOS upgrade took on three of the switches that were ordered rather recently. The four that were ordered in one batch will not take the upgrade even following Cisco's instruction and lots of other tricks. Nothing works. Having problems with IOS 15, in general?
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