Cisco Switching/Routing :: 3560G Routed Port Connected To E1 Converter?
May 25, 2013
I have made a routed port on 3560G Switch and defined a pool 172.28.4.62 255.255.255.192 and connected to E1 converter RAD (4E1 to 4 FE) the E1 media is through Microwave on the other end same E1 converter is connected through layer 2 switch and defined a pool as of routed port configured in 3560G switch.
The port is generating lot of giants and after a while it also distrubs other routes ( Port1 to Port 16), configured with Vlan11 and port 22 as routed port.I have checked the routed port through wireshark the maximum frame size is 1514 and configured the MTU to 1514, giants are not showing any more but after 10 to 12 hours switch gets hang. Either to shut the port or to reload the switch to get switch and other layer routes to be normal.
I have checked speed and duplex settings same as E1 converter. Full duplex. 100 Speed. Why switch is not behaving normal. If I shutdown the routed port it is normal.
1. interface GigabitEthernet0/22
no switchport
ip address 172.28.4.62 255.255.255.192
flowcontrol receive on
end
[code]....
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Apr 19, 2012
I have a 3560G connected to an ASA FW, both running layer 3 and hosting 6 or so VLANs. The switch is the default gateway for all VLANs (client request) and therefore see's all networks as connected. I used route maps to push the traffic from the switch to the FW so that it got firewalled before being delivered, but I cannot use one of the commands for failover should the FW fail (I wanted to route locally should the FW fail). If I placed all VLANs in their own vrf, NETA would not longer see NETB as a connected network and would follow the route to the FW's NETA interface. I could then inject the connected into each vrf but adjust theirf metric so that they are less preferable than the route to the FW. Should the FW route die, the next route would become active and traffic would route internally to the switch.
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Apr 18, 2012
I have a collapsed core design with routed ports between all components. Access layer switches, data center switches, core/aggregation. All routed (no spanning-tree at all).Now...I have to add an IBM BladeCenter with a BNT layer 3 switch to my topology. However, those nasties don't seem to support routed ports.How can I have a routed port on my cisco switch and a standard access port on the BNT and still establish an adjacency with an SVI? I am running OSPF, but I am labbing this in my home lab with 2 x 3550s and EIGRP.
On SW2:
*Mar 1 00:57:00.711: EIGRP: Received HELLO on Vlan100 nbr 10.1.1.1
*Mar 1 00:57:00.711: AS 999, Flags 0x0, Seq 0/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1
*Mar 1 00:57:02.303: EIGRP: Sending UPDATE on Vlan100 nbr 10.1.1.1, retry 9, RTO 5000 tid 0
*Mar 1 00:57:02.303: AS 999, Flags 0x1, Seq 17/0 interfaceQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1
[code].....
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Mar 14, 2012
We are looking for a solution that to use Sub-interface on a routed port on 6509, instead of using a SVI on it.Are there any different when using Sub-interface?
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Apr 12, 2013
Actually i have 7600 router and all trafic passes through Gi0/1(Routed port) interface to 6500 series switch. I need to create a vlan on this router eg. vlan 10 Any how it is possible assign a vlan to routed port and traffic of wan interfaces and the vlan traffic passed together.
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Aug 30, 2012
During an installation, we plugged a Ruckus wireless bridge (powered by a PoE injector) into G0/0 on the 1941. The port status remained down/down. We then tried connecting it to G0/1. Again, the port status remained down/down. We took another wireless bridge, plugged it into G0/0 and the port changed to up/up status within a few seconds. The same happened when connected to G0/1. Both ports are have speed/duplex set to auto/auto.We took the cable from the first wireless bridge and connected it a 3550 switch, the FastEthernet port went up/up. We then took the cable and connected it to a switchport card (HWIC-4ESW) that was installed in the 1941 router. The port came up/up.We connected to wireless bridge back to G0/0 in the 1941 and manually set the speed/duplex to 1000/full. The link light on the router became illuminated after a few seconds but no console message was displayed (nor did any events appear in the log) and a "show int g0/0" showed the port status as down/down. This was could not be duplicated as this only happened one time The wireless bridges sit atop of a water tower and are connected each via a shielded ethernet cable. The cable that we're having trouble with is cat5e STP and about 310feet in length. I should note that we have not yet swapped the PoE injector but it seams to be functioning properly as power is getting to the wireless bridge and its accessible. Also because if the wireless bridge for some reason didn't come back up after a power cycle it would potentially mean climbing the tower to perform a hard reset. We tried another 1941 with same results however we have not tried another router model to rule out a potential platform issue. Can you recommend any troubleshooting steps to determine why the port status of the gig interfaces on the 1941 don't come up?
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Apr 26, 2013
I want to know if is it possible to configure QoS on a 4500 Sup7 on a Layer 3 routed port like the following example (Similar to CBWFQ on IOS Router)?
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Nov 15, 2012
What should the duplex mode to be set on a routed port gi0/21 that are running HSRP ? I try setting the gi0/21 to full, but it caused the port to be down. The only way for the port to be up is setting it to half duplex.
Cisco 3750 Switch
==============
interface GigabitEthernet0/21
no switchport
ip address 10.200.104.34 255.255.255.248
[Code].....
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Feb 21, 2012
cant assign cisco switch 3560G port g0/1to access vlan 10
main-switch(config-if)#switchport access vlan 10 Command rejected: Gi0/1 not a switching port.
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Jul 7, 2012
How to configure traffic flow between computers inside VLANs and a routed port? Here is the setup details:
1. Switch 3750-X
2. VLAN 100 - ( SVI IP address 192.168.100.1 /24)
3. VLAN 200 - ( SVI IP address 192.168.200.1 /24)
4. routed port gi1/0/48 (IP address 192.168.150.1 /24). Note: this port is directly connected to a firewall ASA 5520 port IP 192.168.150.100 /24
Ip routing is enabled on the switch and inter vlan traffic is flowing ok. I can ping the routed port gi1/0/48 from any computer connected in the VLAN 100 or 200. For example computer with IP 192.168.100.25 can ping the routed port 192.168.150.1. Switch can ping firewall port 192.168.150.100 and the 'sh ip route' command shows the network 192.168.150.0 /24 as directly connected network.
any computer in the two VLANs CANNOT ping firewall ASA port 192.168.150.100 Is it because inter VLAN routing does not work with a routed port on L3 switch? I looked up fallback bridging, but it is meant for non IP traffic.The goal is I am trying to set the ASA port as an internet gateway for VLANs.
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Feb 21, 2013
As defined in datasheet, 4500x switch supports 10 GE. Can i use twin gig converter to convert some ports to 1 GE ?
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May 3, 2012
I am little confused with all these SFP types.
Can I use GLC-LH-SM, GLC-LH-SMD and SFP-GE-L with Twingig converter module? When I used Cisco configuration tool, the only option is GLC-LH-SMD for 1000BASE-LX.
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May 23, 2012
Got a question for 4900m with TwinGigi Converter. I bought couple TwinGigi Convert thinking to use it on fix module ports (8 * 10G ports on 4900m ten1/1 to 1/8). I follow TwinGigi configuration guide [URL]however, I am getting Invalid commands on hw-module:
Switch(config)#hw-module module 1 ?
logging Logging
Switch(config)#hw-module module 2 ?
logging Logging
power Enable/disable power to module in specified slot
[code]...
here is show ver and show mod:
Switch#show ver
Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASEK9-M), Vers
ion 15.0(2)SG2, RELEASE SOFTWARE (fc3)
Technical Support: [URL]
Copyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Wed 07-Dec-11 20:20 by prod_rel_team
[code]...
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Sep 21, 2012
I'm trying to upgrade some of the netwotk in my workplace.To do this I have istalled a 24port Catalyst 3560X switch.I'm looking to link it to my exsisting network via fibre.
I spoke to a local Cisco supplyer who recomended the above switch and an Allied Telesis Media converter.
I cannot seem to get the Allied Telesis unit to connect to the cisco switch.I have proved the fibre link by connecting 2 AT Media converters over the fibre.Do I have to enable something on the Catalyst switch or is the AT Media converter not compatible with the Catalyst switch?
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Jun 14, 2012
[URL]
To do that I would like to be able to sniff the traffic traversing our 7k. However, as the 7k doesn't support remote span we have to span locally. This means that I have to connect a pc to the Nexus and sent the span output to that port. However, our 7K is only equipped with N7K-M108X2-12L modules, which contains X2 10G ports. I found the CVR-X2-SFP10G X2 to SFP+ convertor module, but I wonder whether this supports a 1G copper SFP. If it doesn't it would be wasteful to buy one. On the page concerning the module I only found 10G fiber sfp's which are supported.
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Apr 8, 2012
I have a 4506-E with the following supervisor module:WS-X45-SUP6-E
It currently has 2 TwinGig converter modules installed. I want to upgrade the 2 1Gb connections to 2 10Gb connections. First I took out the converter modules and installed 2 X2-10Gb-SR's, but it didnt recognize ("No X2 GBIC")???
Then, I put the converter module back in and put two SFP-10GB-SR's in them, but they don't recognize either...???? I"m running IOS
12.2(54)SG1.
According to the 10Gb matrix, they should work:
Catalyst 4500 series
#(continued)
#WS-X45-SUP6-EWS-X4606-X2-E
##X2-10GB-CX4X2-10GB-LX4
#X2-10GB-LRX2-10GB-SRX2-10GB-ERX2-10GB-LRM
[Code]....
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Jun 17, 2012
I am having problems configuring a 4900. I have entered the following commands:
hw-module module 2 port-group 1 select gigabitethernet
hw-module module 2 port-group 2 select gigabitethernet
hw-module module 2 port-group 3 select gigabitethernet
hw-module module 2 port-group 4 select gigabitethernet
However no matter what I try, it never sees the GLC-SX gbics I have in the TwinGig converter.
PERSW001#sh interfaces status mod 2
Port Name Status Vlan Duplex Speed Type
Te2/1 inactive 1 full 10G No X2
Te2/2 inactive 1 full 10G No X2
Te2/3 inactive 1 full 10G No X2
[code]....
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Mar 2, 2012
If I knew the IP address of a host, can we know on which port on the switch its connected. The switch model is 2960
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May 22, 2012
We have two catalyst 3560X 24T-S switches connected on two separate LANs (both the networks are redundant to each other). The last port of the switches are connected together?
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Jan 14, 2013
I need Know what connection is using on Cisco 2811 router.I have this interface in Cisco 2811, I need Know if this port is connected to Fiber or Copper. I think is copper with RJ45 but I see 100 base TX/FX so this make me doubt about it because TX its for copper link and FX for fiber. [code]
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Mar 12, 2013
Quick question here. Using 3750E series switches with multiple VLANS configured. These switches serve as our 'core'. I have SVIs configured for the different VLANs and add inbound ACLs in each of the SVIs to control traffic between VLANS. This switch also terminates a P2P Ethernet link which connects to our Colo facility. The port used for this is configured as an L3 port. I noticed today that I was able to send traffic across this L3 link that I thought should have been blocked by an ACL I had in place but it wasn't. So the traffic flowed from a port in say VLAN 20 across this L3 link (assigned with an IP address). Would this traffic flow not cause traffic to be checked against an ACL applied in the inbound direction on the SVI of VLAN 20 (int vlan 20)? Traffic does get checked when routing between SVIs. Why would it not get checked when routing between SVI and L3 interface?
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Jan 9, 2012
Any method of forcing a non connected switch port LED to blink for a certain number of times regardless if there is anything connected.The purpose of this is we have remote 3750 switch stacks and quite often have to tell non technical staff to patch to a certain port. It would be much easier if we could say "Connect it to the empty port which just started blinking orange" as the port numbers are difficult for them to see in these locations.A similar feature is available in the ethtool package for linux which makes it really easy for identifying ports on servers. It would be great if a similar feature is available on Cisco switches.
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Oct 14, 2012
show cdp neighbors command shows two devices connected through the same local port?I have a Cisco 3560 that when I issue the "show cdp neighbors" command I get the following results: [code]
the question is why is this showing that Gig0/3 is being used twice to connect to two different devices. I have verified there is no hub connected to this port and in fact Switch3 is not connected to Switch1 at all yet it still shows up in the CDP table.
I have cleared the CDP table on every device at this location and still get the same results.
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Apr 17, 2013
One of the ports on the 3750 stack was configured for VLAN121. It was changed to VLAN40 and the configuration saved. Both VLANs exist in the switch configuration. As soon as a host was connected (in this case, a label printer) the port VLAN reverted back to VLAN121.
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Feb 26, 2012
I have a switch layer 6500 series connected to a firewall, the port configuration between them is layer 2, in another words I do not configure an IP address in the Cisco switch port to conected it in the firewall, but when a apply a policy on firewall it lose communication with others vlans, just the vlan that is connected between the switch and firewall works, attachment the design. I think that is necessary to configure the connection between the firewall and switch as layer 3 ( a port with IP address in the switch), but I would like to know why? The switch is configured with about 10 vlan and it is a inter vlan routing, a default route is configured in the switch where the gateway is the firewall.
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Aug 2, 2012
I have the network described below, on which I am running PIM.
(network) ---- Embedded Linux Router --(vlan 5)-- CAT 3560G --(vlan 5)-- Cisco 1811 Router ---- Multicast Listener
The Linux Router and the 1811 have formed a PIM neighbor relationship. The multicast listener sends an IGMP Join and I can see the PIM join leave the 1811 router (via "debug ip pim"). Using tcpdump on my linux router I never see the Join come in, but I can see the PIM Hellos (which is why the neighbor relationship formed).
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Jul 24, 2012
Since two weeks I have a problem with the VLANs who I started to configure. I hope together we find the way.I have 5 VLANS configured in a CISCO 3560G switch. In my windows server 2003 I configured DHCP scope for each VLAN.One of the requirement to connect vlans each other is to put the IP of each vlan as gateway in the clients.So, how can I do to access to internet?. The ip of my Firewall are in one of the VLAN´s.When the configuration of the LAN only had one DHCP scope the gateway was the ip of my firewall. But now i don´t know how to configure the DHCP server, or the firewall, or the switch, or all of them To get access to internet.
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May 14, 2013
I'm trying to set up per vlan routing on a 3560G switch but it's not performing as I would expect. I've got a server on the 109 vlan with a 10.1.9.100 address and a default gateway of 10.1.9.1 this address is an HSRP gateway and currently resides on 10.1.9.7. When I traceroute through to my user PC on the internal network it receives a response from 10.1.9.7 However, it is then denied by an ACL on the internal firewall which has been applied to interface Eth0/0. It should arrive at the firewall on Eth0/2.109 as it has the 10.1.9.4 address.
My goal here is to route traffic on the 101 vlan to a seperate interface on the internal firewall from 109 vlan traffic. I'm either doing something wrong or these routing commands aren't designed to work in the way I'm expecting (I couldn't find any documentation on the ip route command where it is followed by different gateways for different vlans)
interface GigabitEthernet0/12
description Internal-FW Eth0/2
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 109
switchport mode trunk(Code )
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May 21, 2013
Has anyone configured Layer 3 port channel on Cisco 6509 switches which are connected over dark fiber between two buildings?
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Dec 20, 2012
In my LAN environment, I'm using two cisco SG300-10 switches. Both switches are connected by GE10 on both switches, where both ports are set to trunk.Now on all ports 1-9 on both switches, I'm having client computers attached. So I set ports 1-9 to "access" mode.All interfaces on any switch is left in default vlan.
Is it normal that I see all traffic from all connected devices on any port where I connect a listening device?What I'd like to achieve is, that only traffic that is meant for a specific workstation is actually forwarded to this workstation. By now it seems that I get all the traffic from everybody.
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Feb 2, 2012
I have a 3560G switch with c3560-advipservicesk9-mz.122-46.SE and 2 routers. The switch has vlans defined. I want to route all traffic on vlan 25 out of one of the routers exclusively. Here is what I have attempted:
-Set the SDM template to routing & reload
-Define an access-list for the v lan traffic
-Define the route-map
-Apply the route-map to the vlan interface
When I attempt the last step I receive the following syslog error:
%PLATFORM_PBR-3-UNSUPPORTED_RMAP: Route-map RM_IMDGuest not supported for Policy-Based Routing
Also, the route-map is removed from the vlan interface after this error is thrown. Im 99% confident that PBR is supported on this switch (am I wrong?). Here is the relevant show output:...
access-list 125 permit ip 192.168.25.0 0.0.0.255 any
route-map RM_IMDGuest permit 10
match ip address 125
set ip next-hop 192.168.5.3
[code]....
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Jan 24, 2013
I was assigned a task to connect two locations through a L2 VPN, The infrastructure which i have are...
Fortigate 80 C firewall at Location A
CISCO 3560G at Location A
CISCO 3750G at Location B
2 MBPS Leased Line connecting two locations.
T1 line at Location A.
The requirements are as follows..
Both locations should be in the same ip range (ex 10.80.71.1/24) Internet for Location B should be from Location A, both locations should talk to each other.
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Aug 1, 2012
We have Dell M6220 blade server that server is connected to cisco 3750 switch. I am trying to configure LACP in 3750 for two port which are connected to Dell M6220 server switch. The channel-group 2 mode active commande is not taking then its showing the error protocol mismatch and if i run show int port-channel 2 command the port channel status is showing down. The Dell server switch is on simple mode. below i have attached the required details.
Switch#show int port-channel 2
Port-channel2 is down, line protocol is down (notconnect)
Hardware is EtherChannel, address is 0000.0000.0000 (bia 0000.0000.0000)
MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
[code]...
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