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Resolved! Jumbo frames with Nexus switches

As I understand it, jumbo frames are implemented differently between Nexus 5K, 9K, and 7K... What is the difference between the system jumbomtu command on these switches and the policy-map?  You can't change the MTU per interface on the 5k but can on...

Resolved! Nexus 3548 Jumbo Frames

Hello Networkers,I have a question about the Nexus 3548 handling of Jumbo Frames.  Why does the interface command return the value mtu 1500 when you run sh int e1/x but jumbo frames continue to work on the interface?  I did what was required to get t...

flyshoo by • Level 1
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Possible mac-address blocking on 3750?

Hi everyone, I have a VM connected on a single port of a switch and is configured with multiple servers under the same subnet x.x.25.0/24 #show mac address-table | i 1/0/15 250 44a8.4217.e85d DYNAMIC Gi1/0/15 250 72da.bb1f.a8d7 DYNA...

Resolved! 9300 to 9500 40g connection not coming up

Hi There, We have 2 x 9300-48T with c9300-NM-2Q 40 gig ethernet ports and 2 x 9500-48Y40C with 4 x 100gig ethernet portsThe ports all work, I have SWV on the 9500 stack using 4 of the 8 ports and no issues. When I use a  QSFP 40G CU2M cable to connec...

Not getting ISP speed on 1921 router

Hello guys, hope everyone is well and staying safe. I'm studying for my CCNA and in my lab I have a 1921 router with a EHWIC-4ESG installed, which provides gig speed. I'm paying for 1Gbps to my ISP so would take advantage of that and if I connect any...

Resolved! STP port role

Dear Team , we are running pvst mode (Switch is in pvst mode) on WS-C3850-48T-E (Stack).In the show spanning-tree vlan xxx output I am seeing Backup port role(Gi2/0/22 )while running PVST mode .As per my understanding Backup port role is a one of the...

connection between Switch and ASA

Hi Guys I have Cisco core switch 4503 E and ASA 5525. All the interfaces of the switch and the ASA are gigabit Ethernet. the interface i used to connect the two devices is also gigabit Ethernet but it is not working unless i specifically configure th...

Voice VLAN configuation

Hi All as iam new to the voice on cisco ,actually i have cisco sg250 switch and i want to confiure the voice vlan for the same port i have one vlan 100 for data and i have configured 2nd vlan 101 for the voice  please let me know the commands to conf...

cisco WS-C2960X-24TD-L

Hey Folks, After upgrading the switch I observed increase in the number of interfaces Before Upgradecisco WS-C2960X-24TD-L Last reset from power-on2 Virtual Ethernet interfaces1 FastEthernet interface52 Gigabit Ethernet interfaces4 Ten Gigabit Ethern...

SR70982 by • Level 1
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