I am using a cisco WS-C3548-XL running IOS (tm) C3500XL Software (C3500XL-C3H2S-M), Version 12.0(5)WC17, RELEASE SOFTWARE (fc1).In the documentation I see the command to change which version of spanning-tree is (config)#spanning-tree mode xyzOn t...
Hello everybody.There is a Cisco Catalyst 6513 in my office. Recently we decided to setup redundant Supervisor Engine 720-3B. When we did it, its became STANDBY COLD, and then it reloads. IOS is equal on both supervisors. It must be STANDBY HOT (SSO)...
I understand on older IOS codes If the same hsrp group number is assigned to multiple standby groups, it creates a non-unique MAC address. Is this true on newer codes like 12.2(52)SE for 3750 & 3560?Francisco.
HiI have attached an image of my network.I want to ping at Switch 4 (IP:10.10.1.4) from the Switch 1. I can ping all the VLAN/IPs on switch 3 from Switch 1. Switch 3 can ping Switch 4. But can't ping 10.10.1.4 from switch 1.What configurations is re...
Hi, I am having some issues with the IOS upgrade for a 4507R+E with WS-X45-SUP7L-E suppervisor, I want to use the IOS: cat4500e-entservicesk9-mz.122-53.SG4.bin, but apparantly it is not support, can you tell me if there is a document with this inform...
I guess i am just getting old and forgot how this works, or i have an IOS load with an undocumented feature in it.A customer of ours wishes to have their exchange server appear to the outside world on a seperate IP address as their public pool addres...
I have a 3750 stack setup as DHCP server on two vlans. I get an ip and default gateway when plugging into a port configured. The problem is this:I plug into vlan 20 and get an IP of 10.1.20.x and default gateway of 10.1.20.1I can ping 8.8.8.8 and I c...
When we tested this walk on lan with the below config on primary core switch, the solu working but if we put the walk on lan tool on separate server other than the dhcp server , then it is not working.we were using walkonlangui.exe and walkonlanmonit...
Hi Everyone,I have 2 switches running as HSRP and both have DHCP config on them.Both these switches have connection to 3rd switch where PC is connected.Connection between HSRP switches and 3rd switch is not trunk it is access port only.VLAN 10 is ...
I was wondering if someone could help me understand what's happening with VLAN tagging on my network setup. I included a picture for reference. This configuration has the intention to offer redundancy. The server (has 4 nics) is actually connected to...
Hello Friends,I have a new Cisco Router 1841. I believe this is the OS name ( c1841-ipbase-mz.150-1.m6.bin ) This is my first Router to configure. Now, PCs in the local network can ping or tracert 4.2.2.2... But, none of the PCs of the local network ...
Hi,I have tried with show mac address-table. it is showing only access vlan mac addresses. what is the command that I should use to see the mac addresses that are learnt on trunk interfaces in Nexus devices
I would normally do this inside of the network on our switches, but we want to allow connections only from a specific ip to a specific ip on a specific port, so the only option was to do it in the ASA. I created a redundant interface on the ASA, and...
I am currently running a 4506 with a sup V engine. I have purchased a sup 7 engine. Is there a guide on how to perform this task. I am sure I need to do an IOS update as well.
Hi all,Please Can any one help me understand this concept...Let me show you the scenarioone MPLS connection from ISP coming to my router and from my router to DMZ serversi have to connect to the Remote server to my DMZ serverThe ISP gave me the detai...
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