Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
I would like some guidance on QoS/Auto-QOS on the 2960-L.Image is c2960l-universalk9-mz.152-6.E.binFeature Navigator says various QoS/Auto-QoS features are supported;Auto QoS 1.5, Auto QoS - VoIP, Auto QoS VoIP enhancement.I have a LanLite right-to-u...
Hi, I came to know that ospf does not have AS number concept even it is an IGP... then why EIGRP have AS number since it is also an IGP
Hi All, Today, i came across an issue according to which i found the interfaces on cisco switch 4507 were in different access vlan and were not under the business vlan which was configured and was working from past few months. Checked the logs but di...
Resolved! Redundant links recommendation
Hi GuysWe are trying to setup our second floor with redundant Internet links as shown on the graph below. We have 2 cables from Floor 1 to Floor 2 my initial idea is to hook them and playing with STP priority ... any better ideas are greatly apprecia...
Resolved! how to reset cisco router 1841 password
HiHava cisco router 1841 forgot user name and password and need to reset it to its factory setting pls helptried boot while holding ctrl and break get into rommon1>rommon1>confreg 0*2142rommon1>resetstill shows rommon 3>pls help,it ask user name and ...
More 95xx questions! In the past I have learned that Cisco marketing doesn't provide full details so I want to make sure I don't get dragged under the bus a 3rd time! I know that specs contained in their data sheets can sometimes be misleading. Sc...
I have a c2951 router with a SM-ES3G-16-P service module installed. The SM-ES3G-16-P lost the IOS during an upgrade. I attempted to perform an xmodem with Tera Term, during the procedure I set the BAUD rate of the SM-ES3G-16-P to 57600 as is typical ...
We have started deploying Cisco 9200 switches. I have noticed that the mac address-table does not work on some of them. I have a stack of 2 switches and can only see mac addresses on one of the switches even though there are active connections on b...
This is the log and the config of the interface: Interface 47 & 48 connected to a MERAKI MR24 Jun 24 08:51:46.547 GMT: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/48, changed state to down.Jun 24 08:51:47.546 GMT: %LINK-3-UPDOW...
I am following the cisco validated design for the 3850 switch and have a question on the Classification and Queuing. They have the following example for queueing in their examplePolicy-map Markerclass MULTIMEDIA-CONFERENCINGset dscp af41They don't sh...
Hey All, I am new to Cisco networking,I am wondering if you could assist me with a couple questions/issues i am having. I will start by uploading a network diagram (please see photo). I am going to explain what i have setup. In this lab, ...
hi, my question: why we have to let a unicast address join multicast address and then calculate DMAC address. Why the DMAC is not calculated directly from the unicast address? for example, in normal situation when we have IPv6 unicast address like 2...
Hi Cisco Experts, I have an issue that in Cisco 3750 Switch, that Voice VLAN 800 for IP Phones is working on interface Fastethernet port but not working on gigabitethernet port(no lights on IP Phones via POE). Only the Data VLAN is working on Gigabit...
Hi Guys, i have created topology where i want to Track 8.8.8.8 IP. if first path with deafult route goes down then it should take another deafult route which is having higher AD. Please find attached file and below config. R2:ip sla 1tcp-connect 8.8....
Scenario:Imagine there are 3 switches s0 s1 s2. S0 is connected to s1 and s1 connected to s2. Pc0 is connected to s0 and Pc2 connected to s2. Both pc0 and Pc2 are in vlan 2. Trunk links between switches. Does pc0 and Pc2 communicates????
