Switching

I have two 2950 catalyst switch when i power up these switches and want to make trunk between these swithes using cross over cable the ports not up not light blink when i check status of interface Fa0/1 is down, line protocol is down (notconnectbut w...

      Hello gang.. Im trying to filter traffic using a vacl that has a mac access-list used as the definition.  We have some some traffic being sourced from 00:00:00:00:00:00 that I need to block.  mac access-list extended ALLPERMITL2 permit any anym...

Cisco recommends not to enable bgp always-compare-med command as it can cause routing loops (http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094431.shtml). I fail to understand how it can cause routing loops? Can any expert help...

I have two different switches in two different buildings and I need to make the ports look like there is a physical wire between them.I have two disjoint networks that can talk to each other through a firewall but I need to be able to easily pass mul...

Could an expert help me understand bgp NO-PEER community as mentioned in http://www.cisco.com/web/about/ac123/ac147/archived_issues/ipj_6-2/bgp_communities.html?

I am confused about the no-export community in bgp...Some documents say that routes for which no_export community is set, are not advertised to ebgp peers...While there are other documents which state that no-export community can also be used to info...

Hello,Scenario: I receive a single dynamic IP from my ISP via a cable modem acting as a bridge to a Cisco 3825 running ADVENTERPRISE 15.1(4)M7. Via the CLI, I have successfully configured the following on the router: NAT/PAT, ZBF, and SSLVPN. A small...

I have seen this interface configuration around on a few switches in my network.interface GigabitEthernet1/0/10 switchport access vlan 2 srr-queue bandwidth shape 0 0 0 0 What would the srr-queue command do here?  there is nothing else on the interf...

Hello,If I copy a backup running config from at tftp server to 6509 core switch using the copy tftp running config switch  command will all the config from the tftp that is pointing to a notepad file with the config copy exactly to a core switch or i...

Dear All,I am new to routing protocols. I need to connect 2 branches with redundant links.My requirement is to use only one link as a active and second link in standby. Both links having same Bandwidth.What protocol I should use, ospf or eigrp?how mu...

Hello,I'm configuring a 6509 core switch that has 4 blades and each blade has 48 ports by default the ports are shutdown.  I know I can do a port range with a no shutdown command to brings all ports up for each blade. However is there only one comman...

Hello all,I am upgrading a older 2950(100M) switch replacing it with a gigabit 2960. Installed it in the same rack, the configuration is practically non-existent just set the passwords and IP. We run a single VLAN flat network for this so I started o...

Referring to this documentation:  http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/C07-572829-01_Design_N5K_N2K_vPC_DG.pdfI have a question regarding static pinning.  While going over the configuration in my data center, I noticed th...