Hi I have a strange issue that I'm not able to figure out by myself I have 1x25G ports connected back to back inside vrf VPC_KEEPALIVE as peer-keepalive and that works fine. And i use PO255 like vpc Keepalive interface Ethernet1/48description "Peer...
Forum Posts
Is there anybody tried this Version of firmware? I want to upgrade critical switch WS-C3850-12XS from 16.3.6 to 16.12.11 and I would be thankful for the notes Regards
Hello all,I have a new stack of 2 x C9500-24Y4C switches, and I've got my Stackwise Virtual (SVL) ports setup and my Dual-Active Detection (DAD) link setup. These switches are new and not yet in production, and I've decided I want to move the SVL por...
Being in a new position with an established team, I was following their documentation on upgrading the IOS on a set of 2 C9500 in a stackwise config. Thankfully this was in a lab environment, I came to their step which matches the Cisco docs (linked...
Good afternoon,I have a question that is driving me crazy trying to understand.In a 2960 switch, I have the following configuration:VLAN 100 - IP 10.0.100.1 (mngmt vlan)VLAN 1 - no ip addressDefault gateway - 192.168.1.1 (VLAN1)And it works fine.In a...
Hi guys,I am i need of your assistance. We have two C9200L running on IOS version: 122 426931224 Jul 29 2021 03:22:26.0000000000 +00:00 cat9k_lite-rpbase.17.03.03.SPA.pkgWhen the Active switch went down due to onsite power issues, the second unit di...
hi, I have vlan with L3 interface. I have some strange traffic that is in that vlan and exits toward rest of network using that L3 interface. I need to determine source mac addr of that traffic, so I could find port where source is connected. Can I s...
Resolved! Cisco 3850 ios question
Hi, may I ask if 3850-48p-s and 3850-24p-l use the same IOS-XE bin file for software upgrades? Thanks.48P - https://software.cisco.com/download/home/284455428/type/282046477/release/Gibraltar-16.12.1124P - https://software.cisco.com/download/home/284...
Dear all, CSSM SLP supports Smart/Callhome type and SL supports Callhome type only so currently two CSSM servers are functioning.However I think the following condition, "telnet tools.cisco.com 443 /ipv4" shows "Bad IP address" and it takes more than...
Resolved! CISCO C1000-24P-4G-L PoE issue
The PoE is not working in all the 24 ports in the switch , getting an error message , "inline power denied,reason:insufficient total power available. Surveillance cameras are using as the end devices. Data is coming up in the affected ports.Tried for...
Resolved! mac flap
n 3 13:04:27.746: %SW_MATM-4-MACFLAP_NOTIF: Host f6f6.0006.5a72 in vlan 11 is flapping between port Gi1/0/27 and port Gi1/0/25Jun 3 13:04:28.343: %SW_MATM-4-MACFLAP_NOTIF: Host 9898.0008.2b90 in vlan 11 is flapping between port Gi1/0/27 and pHow do I...
Hi,We're operating VPC between two N3K devices.And try to add a different VLAN to each VPC member switch(Nexus3000-A-1 and Nexus3000-A-2) as attached diagram.That additional VLAN is connecting through each ISP SW(ISP SW_1 & ISP SW_2).We're not plann...
Resolved! PC Cant catch dhcp
why can't the pc catch dhcp?even though my configuration remains the same as usual...likeForSwitch Config:No IP domain-lookupVlan 10Name MalterExitInt range fa 0/2-11Switchport access vlan 10No shInt fa 0/1Trunk mode switchportRouter Config:No IP dom...
Hi, I have a ME-3400EG-2CS-A switch, currently practicing on configuring the shaper, including the IP DSCP classification, and I'm not sure if my config is correct. The problem is that classification doesn't work, all traffic just goes through the cl...
Resolved! C9500 Redundant power supply
Hi, I have a site with a C9500 and they recently received a second power supply, I see that they are swappable but can they install the second pwr supply or to they need to shut down the switch and is there any configuration needed. Thanks
