Switching

Two Cisco ASA 5500 VPN but only one pings

Hi everyone!I have an issue that I can't figure out. I have two cisco asa firewalls connected through a VPN, one is 5505 and the other is a 5510. From the 5505 I can ping the internal interface of the 5510, but not vice versa. Would that be a NAT is...

SG 500 Stacking SFP cabling

Wanted to know if anyone has stacked a set of these switches with the copper 5G SFP on these switches. We currently have 4 switches stacked with Cat5e jumpers between S1&S2. We want to stop using this stacking method and go to the SFP. What is the be...

Dynamic bandwidth on a 2960S

A customer of ours, wishes a rather alternativ solution. They have a /28 wan adress coming from ISP, that gives out 100Mbps, going to a Cisco 2960S switch (ver. 12.2) the switch is only holding 1 vlan. Connected to the 2960 are 3 firewalls/routers fr...

Resolved! Core 4506 HA and DHCP redundancy

Hi All,I have a setup with two Cat 4506E working as a HA,I used a bundle 4Gb interfaces working as ether-channel,I'm facing a problem with DHCP pools on the both SW's,There is no problem if I use the pools on one sw,But when I but the pool on both sw...

Switch version compatibility in a stack

Good day,We have the following stack configuration:Switch Ports Model SW Version SW Image------ ----- ----- ---------- ---------- 1 28 WS-C2960S-24TS-L 12.2(55)SE3 C2960S-UNIVERSALK9...

Resolved! Ether Frames 802.3 naming conventions.

GoalThe difference between the 3/4 framing types.FramesSo there are four ether frame types.a. Orignal Ethernet frame 'aka' Ethernet DIXb. IEEE 802.3 LLC frame 'aka' Ethernet 802.3c. IEEE 802.3 with SNAPd. Eternet 2 'aka' Revised IEEE 802.3I get this,...

Can Cisco 1000BASE-T SFP work with CAT-6 cable

Hi community,I wonder if Cisco 1000BASE-T SFP can work with CAT-6 cable. I believe it can. But in the Cisco datasheet, it only mentions that “The 1000BASE-T SFP operates on standard Category 5 unshielded twisted pair copper cabling of up to 100m (328...

AutoQOS on 3560

Hello,I have auto qos (auto qos voip cisco-phone) enabled on a 3560 and I do see the following commands under the access-ports:mls qos trust cosservice-policy input AUTOQOS-SRND4-CISCOPHONE-POLICYIs there a reason why both these commands are applied ...

c1811 isr max throughput

What is the c1811 isr max throughput when not running ipsec site vpn.

ASR1002 VLAN

I am attempting to upgrade from a Cisco3945 to a ASR1002. On my Cisco3945, I have interface associated with VLANs. It appears that with the new IOSX, VLAN configuration has changed. Can someone provide a config to setup a simple VLAN? ...

Have same number of runts and input errors on 2960

Team,I have a problem with 2960. I see equal number of runts and input errors on the FE ports, interface is up/up, there are "0" packets input, there are output packets... I have checked some other discussion where there were some input packets, and ...

Resolved! 2960 PoE Restrictions?

All,I'm trying to figure out how these power requirements read out. The 296-48PST-S shows a chart like:Table 2. Switch PoE Power Capacity Switch ModelMaximum Number of PoE Ports*Available PoE PowerCisco Catalyst 2960-48PST-S24 ports up to 15.4W48 por...

Multicast filtering better at L-2 or L3 ?

Anyone have experience with multicast filtering features asIP IGMP Filter or IP IGMP Max-groups features in a layer-2 switching environment orin a layer-3 environment IP IGMP ACL or IP IGMP Limit features on a router?Is it better to filter ...

Connecting two vlans to 1 ISP Router Interface

Hello guys,I'm pretty much a noob in networking so I'll try to lay out my problem as plainly as possible.I have two Catalyst 2960 Series (48 port) switches with the newest Cisco IOS installed. There is also a Cisco 2600 Series Router which I can't ma...