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
Detecting loop on access switch access ports before core switch shutdowns downlinks to access switch
Hi guys. I have network like: nexus 5k (core&distribution) -VPC53, po53 -> enterasys access switch stack#53 in vlan 53, lag.0.1same nexus 5k (core&distribution)-VPC54 po54 ->enterasys access switch stack#53 in vlan 53, lag.0.1 switch 53 ports ge.1....
Resolved! book or documents
Hi experts i'm doing CCNP , should i study cisco press book or cisco website documents which one gives indepth understanding, i couldnt study both there are thousands pages please suggest me any one. thanks in advance .
Hi, I recently I had a network problem where I lost connectivity with one of our branch offices. After some troubleshooting I found out that the problem was due to a network loop. Someone had connected an IP phone to two different network sockets o...
Hi everyone, I have the following question: We have Two Switches configured in HSRP (one 3650 and one 3560). The next hope towards Internet will be Two Firewalls ASA in failover, and there is another path from the Switches to other Firewall that is...
Hi, I have configured freeradius 3.x server for an ISP company that use Cisco. For now authorization of the debit group is rejected, but i want to allow them to access payment site so they can pay their invoices and then have access to internet....
Dears, I have a Fortinet firewall which is having 10G-SR SFP, I want to connect from these Fortinet SFP to cisco switch, can I propose cisco cheap SFP sfp-10G-SR-S, so on Fortinet side it will be 10G-SR SFP and on cisco side it will be sfp-10G-SR-...
Hello I have two links. one is clear channel and another one is EoIP (Mikrotik) tunnel between two locations. I like to do ether-channel over these links. When I configured this, my EoIP link is showing passive and i cant transfer any data via Eo...
Hi, I have the following scenario which i need help with. We have internet connection provided to by 3 different ISP's. BGP is configured on the WAN facing interfaces of the switch. All the 3 WAN links are up and traffic is segmented through t...
Dear Community, I would like to upgrade my router, cause i found some new releases and it crashes every 7-10 Days and the router need a reboot But am not shure which i should take. My Router: Cisco C886VAJ-K9 IOS: Cisco IOS Softwar...
Resolved! Determining NAT Pool size with overload
Is there a method for determining the optimal number of inside global addresses to have in a NAT pool when using overload?My organization has 62 addresses and 1000 clients currently. The nat statistics show that 60 of the addresses are in use. When...
I understand the Nexus 7000 does not perform packet fragmentation per design. I have a L2 VPLS circuit providing L2 VLAN extension between Data Center A &B coming in directly into an interface in a Nexus 7009 that restrict packets size to 1460, is th...
As I am reading the Cisco Press CCNA Data Center 640-916 Official Cert Guide, page 155 and searching the web, it seems to be true. Nexus 7000 doesn't support fragmentation and reassembly capabilities Can anyone elaborate on this interesting discove...
Hi there, Anyone please help to fix the error I saw on my WS-C3850, I tried many option and so far not resolved. *Oct 8 05:58:55.794: %SW_MATM-4-MACFLAP_NOTIF: Host 4098.ad43.cd3f in vlan 101 is flapping between port Gi1/0/22 and port Gi1/0/23*O...
Is it possible to stack 8 switches using only the 0.5m cable included? The older 3750-X switches supported stacking in this way. From the 3750X guide This option is not shown in the Catalyst 9300 stacking guide as far as I can tell and I need to co...
Hi Cisco Expert Team, I am looking for a solution for the MAC address filtering solution on the WIFI and Wired. Currently, I am solution MAC address filtering solution for more than 2.5K devices. My WIFI controller can handle a maximum 200 MACs. My m...
