Switching

Here's the scenario:I have an L3 switch that connects to an ASA then to a router that  gets to the internet.  The ASA controls all VPN connections so I have a  route set on the L3 switch to send connections to a specific IP to the  ASA, then the ASA ...

If there is a NATIVE VLAN mismatch on either side of an 802.1Q trunk, layer-2 loops may occur because VLAN 1 STP bridge protocol data units (BPDUs) are sent to the IEEE STP MAC adress (0180.c200.0000) untagged.Can you explain this with examples?

I was trying to implement a web site blocking for sites such as facebook and youtube, but with no luck.You have blocked the ip range, but in that range could be some useful sites, so you won't be able to access them.May be implementing of Access List...

Hello,We have a 7600rouer.Router#sh ip cache flow | in K ....Vl192            192.104.148.198  Vl192           192.68.181.57   06 E8A5 3E80    10KVl11             119.203.38.35    Vl106            10.202.55.140   06 0050 0EA0    13K--                ...

Hello,I'm trying to enable SNMPv3 on my Nexuss 5548.  On my 2960 and 4900, I was able to use the commands below and snmpv3 works great.  How can I duplicate the configuration on my Nexuss 5548 so that it matches the config on my 2960.  It does not ap...

can any one tellwhat is the diffrence b/w 4510R-E and 4510R+Ewhere the 4510R-E is costlier than 4510+E  and 4510R-E supports only24 GB per line card where as 4510R+E supports 48GBps with sup 7 E

Can someone tell me what tcp normalization is? And how I can tell if it is happening within a data flow? I assume you can see it in a sniffer capture.Thank you

Hi there,After a rocky start with this router with it constantly freezing which required a reset the update the firmware to 1.1.19 the router settled down perfectly without a sinly freeze.  Even though it ran smoothly, I did notice some VPN issues an...

I need to enable jumbo frames on a Nexus 5548. I only need this on four 10G ports for Netapp fillers.Can I enable jumbo frames on only these ports or do I have to do this under the default class? if so will this affect traffic in the default class th...

I have configured a tunnel interface whose tunnel source and  destination are IPv4 addresses. The tunnel mode is the default, 'gre ip'. The tunnel interface has only an IPv6 address. The result should be IPv6 over GRE over IPv4.This all works fine UN...

Hi all,Can anyone tell me how to achieve inter-VLAN routing on a Cisco 887 router without having to connect each of the Fa interfaces to a separate switch port?The manual says to configure VLAN interfaces and assign IP addresses to those interfaces, ...

Hi,I'm considering in replacing a single 6513 chassis that currently is playing the role of the core router switch - all layer 2 and 3 routing happens on this node.  This site is not a high bandwidth data center, it is a branch office and we've outgr...