Switching

Router 1941/15.1.4/SYS-2-MALLOCFAIL: Memory allocation

Hi, everyone who can help me, this log is presented to us and the router restarted. Does anyone know what it can be? Thanks! Log Buffer (4096 bytes):23645C5Cz 23645EC4z 2363CECCz 23682E48z 23682E2CzJan 9 10:59:34.436: %TCP-6-NOBUFF: TTY0, no buff...

Resolved! Switch migration lose layer 3 connectivity

We currently have an existing connection between a 4500 switch and a 2950G. it's a trunk with fiber on the 4500 end and a fiber to copper media converter on the 2950G end. When I move the connection from the 4500 to our 6807 switch with the same co...

VRRP Interoperability Between Brocade 7450 and IE4000

I’m running into an issue between a Brocade 7450 and an IE 4000 when running VRRP version 2. They sync with the default gateway and the Cisco shows master and Brocade backup. When we shut the Cisco switch down the Brocade shows as master but we can’t...

Resolved! Problem with VPN and Access List

Hi i have build up a trainings network with a C891F Router The Router have the internal IP 192.168.51.1 and Outside 192.168.50.216 The VPN Clients get an ip address from 192.168.52.100 - 192.168.52.150 this is all working. now i want to se...

Resolved! Firewall-Switch-NAS help

Hello, I am trying to setup a lab and running to an issue planning out the implementation. I am seeking feedback and suggestions on drawbacks and/or faults in the concept. My goal if possible is I have two L3 capable switches (48 port switche...

Resolved! switch 3560 uplink to 5548 in vpc

Hello everyone! I have a doubt about if it is possible to connect a 3560 switch to two 5548 nexus in vpc mode. I suppose that i have to configure a portchannel on the catalyst, i haven´t found this topology with this switch, only with the 3850 or 365...

QoS in Layer 2 Switch

We are facing issue of high bandwidth utilization over switching network. We have the multiple Leased line customers running in same scenario as attached:- At switch port, interface in layer 2 configured i.e interface is in access mode, working in ...

system mtu reload required?

Hi all, I would need to change the MTU to 1504 on a C3650-48TS to support Q-in-Q, but it's not clear to me whether a reload is required in this case. In this document, there is no mention of a reload; https://www.cisco.com/c/en/us/td/docs/switche...

Resolved! ipv6 static route

what are ipv6 static route types ?

interface templates question

Hi community, I have a question on interface templates. I created one and want to apply to a trunk port which contains the "usual commands" with vlan filtering. Can I apply the template in parallel and will there be any downtime or impact on traffi...

802.1x Authentication Monitoring

Hi Guys, I have successfully implemented 802.1X port authentication in our environment using a Windows 2016 NPS server as the Radius server. I’m happy to say that the configuration is working as expected. My boss has recently had some complaints fr...