Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, February 2, 2026, through Friday, February 20, 2026. Our colleagues Amruta Navadagi, Anaya Kalawat, and Mohammad Mehtabuddin will be waiting to assist you...
I need to interconnect WS-C3850-24XS-S and Aruba 2930F 48G 4SFP+ (JL254A) via 10Gb/s optic links multi-mode (OM3). For WS-C3850-24XS-S I am choosing SFP-10G-SR= for Aruba 2930F 48G 4SFP+ (JL254A) I am taking J9150A "HPE X132 10G SFP+ LC SR Transceiv...
I want to map a mac-address to 2 different ports on the same switch. However, it appears that I am only able to map one mac-address to one port. here is the command I entered:(config)#mac-address-table static 0001.0243.e6ce vlan 45 int gig1/27 gig1...
I have 2 questions i would love to get some help with: Does anyone know what the HULC DAI process runs when a switch doesn't have arp inspection enabled? If i run a: "clear control cpu-interface" followed by a "show control cpu-interface" I see "rout...
Dear Memebers, I had two cisco 4948 switches. Both are connected back to back on Gi 1/2 and Gi 1/3 ports. In Switch B i got complaint of cHsrpstatechange. when i logged in and checked in the switch i found following error in swicth B. 003545: O...
I'm reading IPv4 standard. There are 3 types of options that IPv4 header can carry: timestamp, special routing and security. I'm wondering if there's any use these days for security options since what I understand, it was meant for DoD purposes prima...
Hi, I had 3 N3K-3064-10GX without license (someone clean them up) so i went to the cisco license manager to download the LAN_BASE_SERVICES_PKG (N3K-BAS1K9-EVAL) but when i install it it's showing a diffrent package name (demo version, 3 months): LA...
Hi friends we are using sonicwall NSA 2400 series firewall with 46 mbps leased line connection. most of the time my firewall cpu utlization gets nearly 98 percent . due to this my network is getting struck. we are using 2 cisco 2960 series switch. ...
Hello all, Maybe I'm asking something trivial or dumb, but I'll take my chances.. Consider a router that receives a multicast stream from a remote source (e.g. using a static join). The router is actually acting as a normal receiver of the stream....
I was in rommon mode trying to fix a problem with ios of a 1841 router. When changing bit rate using the command (confreg), rommon 1 >confregConfiguration Summary enabled are: break/abort has effect console baud: 9600 boot: the ROM Monitordo you wi...
Hi, folks!I am trying to make following setup:- There is a WAN router , connected to C2960S switch port gig 1/0/23, This port is in trunk mode, but WAN connection is in Vlan 1- There is a ESXI host behind port 1/0/13 on same switch. There are some VM...
Hi, We have a series of 2950-T switches whose configuration we need to backup. We do this on 2960 series using archive command but it seems not to be available in 2950 series. The IOS version for 2950's are 12.1 (22) EA 14 which I think is the latest...
Hi, I've got a cisco 6500 switch and dot1q trunk on one of its ports. But sometimes I face with storm on some vlan on the trunk. And I still can't find any useful way to detect which of vlans storms my switch. Of course, I can check all counters on...
Hello community. We have a customer that needs to know the heat dissipation in btu/h of some network equipments, for example WS-C4500X-32SFP+. We have found this in datasheet, but also we need what percentage of operational diversity could be conside...
Hi, One of our 3850 stack reload with Last reload reason: Reload due to Express Setup version : 03.03.05SE A sh setup express showsexpress setup mode is not active Does anyone know what causes the stack to reload with this reason "Reload due to E...
