I will have to replace our old core Cisco switch C4506-E with two new core switches C9500 that will be located in two different server rooms. Currently there is one server room and our current core switch is connected to few ESXi hosts, storage, 2 fi...
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As per 9300 datasheet ordering information, C9300-24UX-A product description says "Catalyst 9300 24-port modular uplinks mGig UPOE, Network Advantage" and C9300-48UN-A product description says "Catalyst 9300 48-port modular uplinks 5G UPOE, Network A...
Hello networking experts, I have this setup to PBR between the IVRF and FVRF matching on ACLs and I get strange behavior from the router. I have this exact same setup in the LAB on 1921 router and it works perfectly fine but not on this 4331 router r...
My vpn router has been running for a very long time using ios version 12.0 (c2600-is56i-mz.120-28a.bin) however I recently upgraded the ios to 12.3 (c2600-i-mz.123-9.bin) but after doing so the crypto isakmp configuration no longer works, during boot...
this might sound like a dumb question R1 (1500) <-> (1400) R2 (1400)<->(1500) R3with the above setup if R3 sends a ping packet to R1 with a packet size of 1500 and df-bit set, Will it be dropped by R2 at the ingress interface or at the egress interfa...
i have problem on switch 3850 i tried to do recovery password on rommon mode but after the system boot it shows me the username and password so what can i do ? this is the commandsswitch>flash_initswitch>SWITCH_IGNORE_STARTUP_CFG=1switch>boot flash:...
Dear Experts, I have configured 3 VLANs on 3750 switch. VLAN 5,100,200 respectively. VLAN 5 is connected to internet.VLAN 200 for clients.Added route to internet 0.0.0.0 0.0.0.0 192.168.1.1C 192.168.1.0/24 is directly connected, Vlan5S* 0.0.0.0/0 [1/...
Resolved! Etherchannel wtih different sfp types
Hello I have a 2 X 9500 switch as a distribution switch separated in Data center 1 and 2 by virtual stack link between them, and 9300 on access layer on site 1, I want to build a ether channel between them The length between Site 1 to DC1 is 30KM...
Resolved! ASA VLAN Across Subs
Good day all, Migrating an ASA5505 to 5506 and am attempting to replicate the below high level setup but the logic of 'You cannot assign the same VLAN to multiple subinterfaces' is causing problems. My ASA5505 is trunked to a switch and trunked to an...
We have a pair of Cisco Nexus 93240s as our Core switches with VRRP running between them for our SVIs. We are trying to add a secondary subnet to one of the SVIs, where the primary subnet will only be used with static/manual dhcp addresses for the en...
Switch forwards certain packets to some other port although corresponding destination MAC address Learnt in a different port in same switch. This has been identified when capturing packets using wireshark in a PC connected to the same switch and in s...
what will happen if two switches with same domain name and same revision number but with different vlans connect to gather . I mean who's vlan database will be kept.?for example:i connect 3 switches in line with same domain name. First the revision n...
I have 2 Nexus 5548s and 2 Nexus 91380s that I am setting up a VPC peer link on. I am having a bit of trouble figuring out exactly how to do this as I rarely use VPCs. Below are the configurations I have for the switches, any help or suggestions fi...
Hi, Actually I had upgraded my Cisoc IE-4010-12s16p from IOS release 15.2(4) to 15.2(7) but after upgradaion device is not accessible from GUI. Firslty, I download the IOS in flash then sync that flash with sdflash and set the boot variable with new ...
I am building out a new data center, and I am unsure of real world models on when to use 'store-and-forward' vs 'cut-through' switches. I understand that concepts or operating methods; however, I am not sure how to translate this to real world produc...
