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Forum Posts
Hello Team, We are managing the customer Cisco environment from past 1 year.. and customer has reported around 30 RMA of 3750V2 switch,out of which one device was 3850 switch and another was 3925 router. So it is frequent failure issue for us.. and...
Hello everybody We 've a new pair of 56128P and two old 7010. We need to connect these switch, but we don't see any documented deployment, regardin best practices or how to connect. I mean due 56128p has QSFP uplinks, how to connect upstream to ...
Hi everyone! We have 2 x Catalyst 6807 switches in a Quad-Supervisor VSS setup in which one 10 Gigabit link from each supervisor make current VSL-link between the switches. So in total we have 20 Gbit between the two switches. The Sup6T supervisors...
Hi folks, I have four WS-C3850-24T in stack and suddenly I start see on the logs the attached error, anyone has the same type of error and how to fix? Thank you in advance, Denilson
Hi We have two nexus 7009 in two geographically separated datacenters. The two datacenters are connected with a DWDM 2x10Gbit/s L2 etherchannel trunk.Now we want to encrypt the traffic between the datacenters, and are looking into implementing MACSEC...
Hello. We have experiencing an issue with one catalyst S-C6513. The issue is that the customer is using 2 cards WS-X6148E-GE-45AT. Most of the time the switch puts the modules on but sometimes those modules are shown off (not supported). Mod ...
I have a Nexus currently running on code 7.0(3)I7(4). I performed an EPLD upgrade on the required modules. The fabric modules were successfully upgraded. The line cards (N9K-X97160YC-EX) was successfully upgraded too. However, when I ran the command...
Hello guys, @Joseph W. Doherty @Richard Burts @Georg Pauwen @Pamarthy @Daniele Giordano @paul driver @Peter Paluch please see attached topology with all configs. The issue is that I cannot ping vlan 14 vrrp ip(10.110.14.5 ) address from Firewall...
Hi all, I am learning about OSPF and have little or knowledge about WAN network and connectivity. I came across this phrase Adjacencies on Point-to-Point Interfaces OSPF will always form an adjacency with the neighbor on the other side of a point...
We have purchased a Cisco 3650 switch. The switch is working fine and I can access it through an IP address in the default VLAN but I am unable to access it through out management VLAN (254). I have 4 other Cisco 3560 switches that I can access just ...
from router 1, i am ping switch 1. not successful, but if i use source lo1, i am able to ping, when we use ping command, which default source interface from router 1 is used to ping other host?
As per me when PC want to send a frame to switch, first it looked at PC arp ( if destination frame is within subnet ). if tt is not find within the PC ARP table, PC will send a ARP request with destination IP address. In this process we do not requir...
Hi, i am new baby in Cisco router. i just wondering which license i need to choose to upgrade the support bandwidth more than 2.5Gbps? FLSA1-1X-10-20G Upgrade from 10 Gbps to 20 Gbps License for ASR 1001-X FLSA1-1X-10-20G= Upgrade from ...
Hi, i have cisco 3750. i plan to configure switch as layer 3 siwtch ( now use as layer 2 ) Some policy/access list will config at switch. Can we send access-list log to kiwi syslog or third party log ? currently policy rules at firewall and currently...
Resolved! 3850 stack crash running Denali 16.3.6
We have a 5 switch stack of all WS-C3850-48P switches running Denali IOS-XE 16.3.6. Yesterday, while working on a minor config change via SSH, my console session locked up on me. I had just created a new vlan and gave it a name and then poof! It hung...
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