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...
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Forum Posts
Resolved! Proper placement of root guard
I had asked this question before but think I didn't explain myself the best so we'll try again. I attached a quick diagram of how a network that I am working on is currently configured. It's not optimal but that will be fixed in the future. Right ...
Hello AllCurrently im trying to configure my 2950 to get out to the internet thru my 2600 series router.I configured the routes on the 2600 the my cabel modem and i am able to ping out to websites from my 2600. I am trunking over to my 2600 and have ...
I’m just brainstorming a lab network setup and also studying for an exam and I simply need help to understand something. VERY basic network, no VLANs so I think you experts can answer it easily.Very basic question: Will the 192.168.1.50 be able to co...
Resolved! Command not available: macro name ....
Hello,I'm trying to setup several macro's but in all Cisco manual's they tell me to use command "macro name ..." to create my macro. But when I want to use the command, my CLI only allows the follwing commands to me: switch(config)#macro ? auto M...
Resolved! BPDUs/unmanged switches...
Topic at work if unmanged switches send out BPDUs, I didnt think they did. I grabbed a el cheapo 5 port unmanged switch, connected up my enet notebook connection to the unmanaged switch, turned on wireshark, and never saw any bpdu's ...was this a co...
hi! i'm trying to have a backup link thru ASA and a main link thru mpls in our branch office to connect to HQ. The ASA will only take over if the main link failed. there's sla configured at HQ. In this branch office, it's configured with having ospf ...
Need to prevent unauthorized users from getting IP address from DHCP when connected to our wired network.In few remote sites we run DHCP for voice & data in the router where only limited users (around 30)are operating. We dont have IT assistance in t...
Hello,I would like to know, if it is possible to set the interface range FastEthernet 1/0/1-10 to "no shutdown" via marco, if Interface FastEthernet 1/0/48 changes state to down (e.g. Networkcable unplugged).If it ist possilbe could you provide the m...
Here's the diagram of what I'm working with.PC 101 can ping PC 201 and vice versa. So InterVLAN routing is working.If I break the link between ALS02 and CLS01, HSRP goes nuts.show standby brief on CLS01 shows:vl101 active, local with the remote node ...
Recently I upgraded all my sites’ ISRs’ IOS versions from 12.4(24) to 15.1(3). The upgrade caused no problems for all except 2 sites where Windows DHCP servers stopped being able to assign IP addresses due to IPs having already been assigned when in ...
So I am a bit confused on how to configure this. I did it in the past but kind of forgot how I did it.I have a stacked 3750 (two physical switches) connecting to a 2960.I am creating trunk ports with limited access to VLAN 300, 600, and 700. There is...
i tried to configure RSPAN & SPAN as source in same monitor session, i get below error. is that mean we cannot configure SPAN & RSPAN as source in same monitor session "% Cannot add RSPAN VLAN as source for SPAN session 1 as it is not a RSPAN De...
HiWikipedia says that there are 4 Congestion Control Algorithms:Slow-start; Congestion avoidance; Fast retransmit; Fast recoveryBut some documents show "SACK TCP" as an another algorithm. Is that right?I am having a confusing about classification of ...
hi:i would like to know if i can use "show ip protocol"to see if router is running load balance?i.e below is the "show ip protocol"output Routing Protocol is "eigrp 10 " Outgoing update filter list for all interfaces is not set Incoming update f...
Have 4 switches a mix of 3560 and 3550's in a test lab.test-sv1 and test-sv2 connected via dot1q. Vlan 2 is setup on each switch withtest-sv1 as 192.168.31.2 and test-sv2 as 192.168.31.3 and a standby 1 ip 192.168.31.1.test-sv3 and test-sv4 connected...
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