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...
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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...
I am hoping some has set this up already, but I have not been able to find any examples in this forum or on the internet. What we are trying to do is setup a port channel from our nexus 7k to a F5 LTM load balancer. The links are two 10gig. One thing...
Hello all,We have a 2960X switch stack containing 2 switches directly connected to our core router (ASR1000) The interface on the router is configured as follows:!interface TenGigabitEthernet0/0/0ip address 192.168.101.1 255.255.255.0! The Switch co...
Hi, Currently each vlan int have ip helper-address configured which points to a MS DHCP server.If I add in another cmd of ip helper-address <server2>, which server the vlan int will relay out dhcp req?will this even affect the first DHCP cmd- "ip he...
Resolved! SPAN - drops connectivity to destination
When I setup SPAN, I loose connectivity to the destination. I can’t remote into the destination computer to run Wireshark. These are 2 switches acting in a stack.switch(config)#do show monitor session 1Session 1-------------Type : Local SessionSourc...
