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
Dear Community, I would like some clarity regarding an ACL i have created on a L3 switch. For example i have a Mobile network which is subnet 10.3.12.0/24 This network only needs to access mailserver and Internet, rest off traffic needs to be blo...
We are upgrading our 3750 switches to the newer models 3850. Are the GLC-GE-100FX modules compatible with 3850 switch?
Hello masters I have a network with ME3600 which according to cisco information just support HSRPv1. I am looking for the best option to have a secondary subnet working on the same SVI or Routed port. I see there are two options. What I want to ...
we got the latency issue between two server, i check the router, there is a shaping policy defined for outgoing interface, previously it is working fine, how would i checking the qos for this policy is working as expected? thanks
Which kind of ports or where do UDLD apply To detect unidirectional link?
Can switchport protected port ping another vlan in another switch or different vlan in same switch in intervlan environment? I think the answer is yes, it can use layer 3 by go further to router instead of layer 2 in current switch Is it correct?...
Hi, Does anyone know why these two UDP Ports are open on this level of code? I've done a bit of researching and I cannot find any documentation listing the feature that is using these ports. "Show ip sockets" reveals they're open. Thanks
Hi Guys, For Eigrp and OSPF protocol how many peer neighbors can c2900s handle? ex. in my HQ i got c2900 router connected to 10 branches c1900 router. Is it OK if you have 10 peer neighbors in c2900? please advice..
Hi Guys, We have 2 switch that is interconnected via 2 links, 1Link - Portchannel 2Link - Single Interface. We set the link1 portchannel to lower priority "by 64" and 2link is default. But switch doent use the lowest port identifier "link 1" but...
I was reading rfc 791 ( internet protocol) . I am still puzzled about loose source record optionI will use en example to make my point.let say we have a network as shown below.H1---------e0R1s0--------------------------s0R2---------H2Where H de...
Hi all, i have a switch WS-C3750-24TS with release 12.2(20)SE3. I would like to create a span port and to be able to mirror only the vlan interested. I added these two commands to configuration: monitor session 1 source vlan 1 , 200monitor sessio...
Resolved! A question about ip dhcp snooping
Should dhcp snooping trust applied to the root port same as where guard loop applied but dhcp snooping applied in access switch only?
Hello everybody, we are running a nexus 7706 with release 6.2(16) in our data centers and we are using for our and customer's applications PVLANs. Now we can not mapp more than 16 secondary pvlans and get the error-output - mentioned in title of th...
I've recently been thrown into a nightmare network and trying to piece everything together. This place has static routes everywhere and some places the gateway points to the Cisco router ending in .1. The cisco router has a 0.0.0.0 0.0.0.0 10.18.24.3...
Hi, Can someone advise on if C6840-X-LE-40G supports FHRP, as I have found below from data sheet "High availability: Two Cisco Catalyst 6840-X Series Switches can be combined into a VSS. In addition to high availability VSS, provides ease of operat...
