Ask Me Anything Event Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, November 4, 2024 through Friday, November 15, 2024. Our colleagues Rohit Chopra, Vaibhav Aggarwal, Anuraag Majumdar, Saquib Zeya...
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Resolved! C2348TQ VLANs supported
HI, we have a FEX C2348TQ added Nexus 5672UP-16G. Is there any reference on supported number of VLANs? Thanks George
Hello. Can I get some help with my Cisco 1921... Please see my config below. My ISP requires VLANs settings to be able to access the internet (VLAN 10) and IPTV (VLAN 20). ~ I have set the switch to the VLANs via their respective ports.~ The WAN co...
Hi all, I'm not that knowledgable with VOIP so bear with me......we have a conference phone and it keeps showing as registered on the VOIP companies site (a 3rd party) and then during the call it then drops and shows as not registered and no calls ...
Resolved! Questions about auto-rp
I have configured two routers to have RP of the same group 239.0.0.1, at any one time there should one RP for group 239.0.0.1, what I understand if there are two auto-rp for the same group the highest ip address wins the RP election, however this is ...
Hi,Can anyone help, how can i upgrade IOS for whole switch stack.We have a stack of 4 2960 series switches.If have any white paper do share. Moreover, we have some mixed stack switches.
hello all; we create three vlan in our network and then do intervlan routing through multilayer switch. i want to communicate these vlan from other network.we can ping sub interface of router, but cant not ping default gatway, that are configured in ...
I have a Nexus 7710 chassis with only 3 linecards out of possible 8. This leaves 5 slots free with the blanking plate cover. Is there any best practice on which slots to use for linecards when the chassis is not fully populated?I had issues in the pa...
Resolved! Nexus 5K Routing in Pending State
Good afternoon, Does anyone know what would cause a Nexus 5K's routes to be in pending state? We just brought up a new Nexus 5K and configured static routing for now when issuing "show ip route" all the routes are in pending state so I am not to p...
Resolved! best way to configuration switch port
I have three ISPs with the same database. Every customer has the potential to change the server every day.I'm using vlan50 to manage all device ,Which means that each port contains 2 Vlan (Management Vlan [50] and Service Vlan [10 or 11 or 12]). Note...
Hey guys, i am running vpc&hsrp on my core 3548 switches with about 30 edge switches. Now I need to block comms between only 2 vlans while the other 20 odd vlans have to communicate. Will an ACL work for this? Or is there something I am missing out ?...
Resolved! ACL confusion
I have a /23 subnet that I use for guest network access. I created an ACL to allow DNS to the DNS server and 80 and 443 to the Unifi controller for the captive portal. This is the ACL I put in: ip access-list extended GUEST_WIFIpermit tcp host 17...
Resolved! Boot 3750 from tftp
Tell me please is there any way to boot catalyst 3750 (3560, 2960) switch from tftp?
Good morning all. I’m working towards separating management interfaces (Dell iDrac) into it’s own VLan that only my desktop has access to. Currently with the config below, any PC on VLAN1 can talk to VLAN20, but I'd like to lock that down to only the...
Hi, we have two ASR 1001-X with IOS-XE 9.03.13. On both Management Interfaces is HSRP configured: Prime: interface GigabitEthernet0 vrf forwarding Mgmt-intf ip address 10.11.100.2 255.255.255.0 no ip proxy-arp standby version 2 standby 961 ip 10.11...
Hi,We’ve recently experienced arp issues on our core switches when our F5 load balancers failover. We have one F5 load balancer at each of our data centres which are connected via layer 2 dark fibre links. When the F5 load balancers failover they sen...
