Switching

I have a problem at my 877W router problem in brief is that router is connected to 2 WAN (internet lines) one Via ATM interface dialer 0 (dedicated to VPN clients) with static public IP 78.x.x.x the other line is connected to the router using one of ...

                   We are deploying the  ISE MAC address authentication by-pass (mab) feature in our network as an alternative to port security on the switch port. Works well except for certain devices e.g. printers, snmp modules, and Unix/Linux Oper...

I am getting a loopback error on the errdisable. I do a int gigeth2/0/38 and do a shut and no shut but the link light still stays orange with nothing connected into it.If I connect my laptop to that port and let it initialize the link light goes gree...

Anyone seen this message trying to SSH to Cisco 3560 switches?The server has disconnected with an error.  Server message reads:A protocol error occurred. Protocol error: expected packet type 50, got -1 It happens before I can put in a username if I w...

how do i connect two controllers with the same IP address to a network???

Hi,I have 6509 switches configured with ether-channels for uplinks.  I want to add logging event link-status to the uplink ports.  I have added the config to the port channels but I notice the change does not automatically push down to the physical, ...

Weird issue with a POE 2960 running 15.0(2)SE2.What I am seeing is some laptops can connect to a port and get a DHCP address fine, others get no link light whatsoever.  IE if I plug my laptop into port 41 I get link light and a DHCP address.  If anot...

Hi allI have a /21 block but i also want the prefix list to look at every /24 inside that /21.  would the syntax beip prefix-list TEST seq 10 permit 10.10.8.0/21ip prefix-list TEST seq 15 permit 10.10.8.0/16 ge 21 le 24?Thanks.

Hello,I'm looking to restrict Inter-VLAN routing through L3 switch (cisco 6500) and wanted to know best possible way to do it. I used VACL and achieved success to some extent, but my config is making clients take up to 5-6 mins to authenticate IP add...

Ok, I can see that my traffic is hitting the right queues, but it doesnt seem to be taking priority over other traffic, either that or it is being limited somewhere. I am marking video with dscp 34, voice with dscp 46 and control with 24. I have done...

Hello guys,I want to upgrade IOS for my production core 3750 switch.Below is Show version/fash output.. I have IOS image "c3750-ipservicesk9-mz.122-55.SE7" could you please confirm below concerns-1-As this is stackable switch do i need to upgrade on ...

Hello,I came across a range 25 of IP addresses with /32 mask and they are back to back. I am wondering if I can summarize them but since this is a DC firewall I do not want to summarize to the typical range of IP addresses. I want to summarize those ...