Switching

Hii built a lab of 3 Router, r2 in the middle is responsible for cut off the icmp and tcp traffics between r1 and r3, ospf runs as routing protocol. ospf and any other traffics were denied, icmp and tcp permitted. although the control plane could eve...

Hi,I have a following situation:Switch1 is connected  to Switch2 with a trunk port.Vlan 10 is allowed in the trunk port and set as "no passive-interface" for EIGRP 10.Now I need to add another router in the different Vlan(cannot use Vlan 10) and adv...

Hi, We have got error-disabled on the Up Link of switch cisco 2960 at customer site but as per config this port is somply trunk port.Error logs for this issue is below,  Log Buffer (4096 bytes):_DISABLE: loopback error detected on Gi0/1, putting Gi0/...

Hello everyone,I'm looking for switch to accompany Cisco ASA 5520 in data center, with 20+ GE ports and no need for PoE.I would like to understand the difference between Cisco SG300-28, Cisco SGE2000 and Cisco Catalyst 2960, 2960-C and 2960-S Series ...

Hi everyone,I have a 3750 which is reporting high IO memory consumption (70%) through a monitoring software. In the attached files the output of a show memory allocating-process totals indicates that most of this memory is used by *Packet Data*.  Doe...

I have a Cisco 3550 that I need to set up policy routing on. I enter the command: sh sdm prefer and the switch says it is the default template. We use the switch for access and routing. In order to enable policy routing what setting of SDM do I need?...

Hi guys ,I have a issue here with HSRP , redundancy not working , what is happening if primary switch get reloaded traffic is not shifting on secondary one and there is a outage of 10mins around ,once primary got up all traffic found working fine via...

Hello everyone, First time posting.I am having an issue connecting SDM version 2.5 to my 2600 router.  I have SDM installed and I am able to enter my level 15 username and password, which is accepted.  I can also enter my ssh username and password an...

Hello There is posibility to make bgp with 2 isp with full feed on CISCO 1812,  256MB RAM, IOS 12.4 (15) T9 ? It will be max 20/20 Mbit/s, only for 1-1,5 year. Let's there will no  nat, no ipsec, only routing, few acl and polices thanks for info Pete...

Hi All,Is there any detailed documentation on the architecture of the WS-X6516A-GBIC Linecard. From previous threads I have gathered that this line card is 2:1 oversubscribed because it has a single 8 Gb connection to the fabric. However in my case t...

Hello. We have redundant SUP720s in SSO mode. We upgraded the IOS on both the active and standby SUPs. They independently boot the IOS with no problem.I get this command when writing the configuration. "%PFREDUN-SP-4-BOOTSTRING_INVALID: The bootfile ...