Help needed! We have 7004 Nexus switch and 3850 switch(C3850-24S-S) with 10GE Network Module(C3850-NM-2-10G) installed. The Nexus 7004 has 1/10 Gbps Ethernet Module, N7K-F248XP-25E. We bought 2 SFP-10G-LR from OSI. And they both show up from the "sh ...
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Forum Posts
I installed a 3850 switch and it can not activate NTP, TACACS services from external servers and I can not telnet out L2 network. My connection is through routed port. Could you help me?Networking
We have installed a C9300-48P and the downlink is on C9300-NM-4G/1000baseSX which is connected via MM.The link connects to WS-C4507R-E and the uplink is on WS-X4306-GB/1000baseSX. UDLD is enabled globally on theWS-C4507R-E and C9300-48P and is const...
Hello Networkershave anyone here faced the problem with NTP-synch when subject platform has its mgmt interface in vrf?i have found that if i transfer mgmt interface into global vrf it works, but not vice versa.in case of MGT-vrf with debug ntp i can ...
Hey Guys, Hoping to see if anyone has seen this before.... We are running wired 802.1x w/ Cisco Catalyst 3850s, ISE, Windows 10 endpoints behind Avaya IP phones. We have the Avaya phones configured to support 802.1x passthrough w/ loggoff. The behav...
Resolved! Physical Fiber Connection
Hi All, I am trying to connect "ASR 1002" port G0/*/* to "switch 9300" port Te1/*/* but the link is not coming up, fiber connection. Hardware details : Using SFP = > GLC-SX-MMD ( ASR port ) and using SFP => SFP-10G-SR ( switch port ).Fiber cable - ...
Wondered if SG250-08 was capable to configure protected port / switchport protected feature ?Instructions at the link below indicates a "protected port" option in the web-based utility but there is no such option in mine. https://www.cisco.com/c/en/u...
We have a 2960X that has been giving us issues for a while. It started with the switch losing connectivity frequently which we identified to be a bad SFP. We swapped it out and everything was stable for a while. More recently it has begun giving us h...
Hey all,we need to buy new access layer switches, which model should we pick?2960X, 3850, 9200, xyz ? We always would like to stack two 48 Port Switches.- So they need to support stack.- We need PoE Thank you!
Hello Cisco community. Does ASR9K support ingress replication mode for BUM traffic like N9K? Am trying to setup cross vendor vxlan .the other vendor doesn't support Multicast for BUM traffic. Any info on this?
HI, We have Cisco 4503-E switch with 6E supervisor engine and running with following firmware version cat4500e-entservices-mz.152-2.E8.bin. We not able to enable the ssh version and transport input ssh command not applicable under line vty 0 15. Plea...
Resolved! covert install to bundle 3850
Hi, I have the following switch Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----* 1 56 WS-C3850-48P 03.06.05E cat3k_caa-universalk9 INSTALL But I need to install cat3k_caa-universalk9.16.03.07.SPA.bin bundle ...
We have our first Catalyst 9200L switches. I am setting them up with SSH access using AAAI am able to log in using console cable with the local username and password that I set up.I can also log in via SSH using AAA as well.I can't log in via SSH usi...
Resolved! Auto-created Tunnel interfaces on Sup2T
I recently migrated from a Cat6k Sup720 running s72033-advipservicesk9_wan-mz.122-33.SXI3.bin to a Sup2T running s2t54-adventerprisek9-mz.SPA.150-1.SY1.bin. The config is basically the same, but on the new Sup2T I'm getting 7 Tunnel interfaces which ...
Is there any way to block the duplex mismatch errors from CDP from being logged? I have a cisco switch which connects to a non-cisco switch which then connects to a number of devices including a Cisco ATA that does not support full duplex. On the c...
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