Switching

Resolved! Sup7L-E - How to select "1-Gigabit Operation"?

Documentation discusses "1-Gigabit Operation", where all 4 1-Gig SFP's on Sup7L-E are enabled. But it does not say __how__ to select either 10-G or 1-G operational modes. Please help! I have searched & searched, & cannot find any mention of how ...

Resolved! Copper Ethernet into Nexus 5548

Hello...new to the nexus world. We have a server that we would like to use on our new Nexus 5548 however, it has only Copper ethernet. Does Cisco have a copper SFP for the 5548. I know that 6500's had a copper SFP but, I'm not sure if that would be c...

setting up NAT on a cisco 800 series router

Hi There,I have a Cisco 800 series router that I need to set NAT up on. There will be four computers connecting to the internet through it. I already have the IP address coming from my cable modem I just do not know the command to get it to translate...

Effects of encryption on bandwidth

Hi, generally speaking, will encrypting traffic: esp-aes 256 esp-sha-hmac across a WAN circuit drop a nics performance by half?Thanks Pat.

Resolved! Solving an argument on "255" in IP's

Someone made the following claim, the IP's:10.255.255.81192.168.255.81Are invalid because "octets of 255 are not valid in unicase IP addresses."I say that's not true, that "255" can be used anywhere, and can in some circumstanceseven be used in the l...

Resolved! 4948-10GE 1gb X2 support?

I need to terminate a multi-mode gig fiber connection into a 4948-10GE switch (X2 10gb slots) but it appears that the switch does not support the twingig convertors. Has anyone done anything like this? I'd like to terminate a 1gb point-to-point fiber...

Catalyst 6513 - redundant SuperVisor was not synced after insertion

Hello everybody,the SuperVisor engine in slot 1 of a Catalyst 6513 needed to be replaced because ahardware defect. The SuperVisor engine in slot 2 is active and running CatOS 8.5. The newSuperVisor engine for slot 1 came with CatOS 6.3 and was not sy...

Difference between FTE-10G and SFP-10G-SR

HelloI would appreciate the help for explain me the difference between FTE-10G and SFP-10G-SR, being focus on an architecture Nexus.Thanks in advanced.Alexis Munoz

Password length restriction IOS 12.2(53)SE vs 12.2(46)SE

Hi all!I'm wondering about a little issue configuring passwords with more than 25 chars using (by example) a WS-C2960-48TC-L with 12.2(55)SE.In the configuration guide for 12.2(55)SE, (in the troubleshooting chapter), I can read that password can hav...

SMB switch and trunking

Hello Experts,Could anyone confirm if the following model support VLAN trunking? We are planning to replace a Dell PowerConnect 2724 switch which cannot properly talk to our Catalyst 3750-X. We have discovered that Dell switch requires GVRP enabled t...

Traceback error decode

Hi Does anyone know how to identifiy the following caveat, I have the following from the crashinfo. It only seemed to crash a single 3750 in the stack.%SUPERVISOR-3-FATAL: MIC exception error 80 E30700CF 0 DBF0 -Traceback= 1849408 184CA1C 179B928 179...

DOT1X & 3550 Switches

Hi,I am sorry to post regarding an ancient switch, but hoping someone can help ?We have successfully configured dot1x on our 3550's (running 12.2-44.SE6) but we get no message in syslog.I have set logging trap, history & buffer to ...

Resolved! UDLD normal/aggressive with multiple neighbors

Hi,we're running 4 c4500 Switches at 2 sites connected to each other via Layer-2 crypto boxes and VPLS in a point-to-multipoint configuration which ist completely transparent (it's more or less like connecting them via a Hub - every switch sees the o...

Resolved! access control list problem

Hello, I am trying to deifne an access control list to permit traffic from all internal (172,16.0.0/16) addressess, and deny all other traffic.I have created the following:access-list 1 permit 172.16.0.0 0.0.255.255access-list 1 deny anyand applied i...

NAT translation timeout in Packet Tracer ?

Hello, is there any way to set this in Packet tracer.I have been using the standard 'ip nat translation timeout' command but it does not work.Thanks for any help.

Switching

Forum Posts

Resolved! Sup7L-E - How to select "1-Gigabit Operation"?

Resolved! Copper Ethernet into Nexus 5548

setting up NAT on a cisco 800 series router

Effects of encryption on bandwidth

Resolved! Solving an argument on "255" in IP's

Resolved! 4948-10GE 1gb X2 support?

Catalyst 6513 - redundant SuperVisor was not synced after insertion

Difference between FTE-10G and SFP-10G-SR

Password length restriction IOS 12.2(53)SE vs 12.2(46)SE

SMB switch and trunking

Traceback error decode

DOT1X & 3550 Switches

Resolved! UDLD normal/aggressive with multiple neighbors

Resolved! access control list problem

NAT translation timeout in Packet Tracer ?

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Issue getting dhcp in vlan

Internet/Modem/4Routers/PC

Cisco C9300 stack compatibilty C9300-48U-A-UL with C9300-48P

how to calculate electrical need for network devices

C1000-16T-2G-Lの消費電力について (Power Consumption of the C1000-16T-2G-L)

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Catalyst C1000 connection 30 secs