Switching

Hello,   Nexus dhcp relay does filter DISCOVER|OFFER broadcasts at layer 2.Is there a way to get rid of those filters? Adding dhcp relay addresses is not a viable option, since we don't even know the addresses of all dhcp servers in all subnets.Curre...

Hi,        VLAN MAC address filter does not seem to be working on my 4900 switch. However the same config works fine when tested on my 3750 & 3560 switches.Since user from different VLANs requires to be blocked, Unicast MAC address filter will not be...

Greetings. Has anyone successfully connected a legacy Nortel switch (425/450/470/BPS) to a Nexus 7000 via gigabit fiber? I have a customer trying to do it and they say that the connection never comes up. The support on the Nortel stuff is long since ...

Hi,I have a VM cluster enviornment and one of the VM hosts traffic needs to be monitored.The VM cluster has a DV switch configured consisting of multiple port groups for each vlan present. The VM clusters are connected to the core switch via trunk po...

Hi allI have a 6509-E chassis that was prevoius in a VSS configuration. Due to some VSL failures I had to cobvert it to a standalone chassis but would like to bring it back to a virtual system.Whenever I try to convert it by using the command "switch...

When we snmp walk the following MIB OID:CPU    - .1.3.6.1.4.1.9.9.109.1.1.1.1.5MEM    - .1.3.6.1.4.1.9.9.48.1.1.1.5. and .1.3.6.1.4.1.9.9.48.1.1.1.6.It return a instance value at the end of the output, sometimes it will return instance 1 to 7:CPU:snm...

I just received a Nexus 5548 to configure as the core of the Datacenter LAN.  Is it true that the VRFs created cannot talk to each other???  I can't seem to find any documentation on how to do this and at least one TAC engineer half-heartedly believe...

EDIT: Sorry for the double-post. Seemed like my first attempt failed and had to write over again. Please ignore this post as I cannot seem to delete itPlease tell me this is not so.  I'm trying to get a node in SVI1 on VRF1 to speak to another node i...

Dear all,When i connect my switch to hyperterminal using console cable, switch boots perfectly but i cant see the prompt. Instead of that i am getting below:%LINEPROTO - 5-UPDOWN : Line protocol on Interface Vlan1. Changed state to down%SPANTREE- 5 -...

Hi guys, today i want to boot my Router's IOS from TFTP server but when I use the command: boot system tftp c2801-adventerprisek9_ivs-mz.124-24.T7.bin 172.16.10.200; after that I write-mem, it shows the log: Router#wrBuilding configuration...ROMMON: ...

Just curious what people have to say about this questio.Does manually prunning vlans (vlan allowed command) on trunk links improve switching performance. Does it help keep the switch CPU and memory utilization down (lower) than if no manual vlan prun...