Other Network Architecture Subjects

SUN alert 57221 (Java VM vulnerability)

Due to the Recent Vulnerabilities in Sun JVM. We are forced to upgrade to patched versions or remove Java from all machines.affected platforms areWindowsSDK and JRE 1.4.1_03 and EarlierSDK and JRE 1.3.1_08 and EarlierSDK and JRE 1.2.2_015 and Earlier...

Cisco 3600(AC) Routers

Is it true that Cisco has declared 3661(AC) multiservice router obsolute? If it is true which region are they obsolute? Can a Cisco 3745 multiservice router work in place of 3661(AC). How many asynchronous serial interfaces can it have? Thanks in adv...

MLS not needed with MSFC2 & PFC2?

The following appears in a Cisco Whitepaper:____________________________________________Note: The Catalyst 6500 and 6000 MSFC2 with PFC2 (Supervisor Engine 2) and Supervisor Engine 720 with MSFC3 perform L3 switching using Cisco Express Forwarding (C...

Dual T1 Internet

Do any of you all have sample IOS for load balancing two ISP's (both T1 circuits) on a perimeter Internet router? And this may be a knucklheaded question, but can Cisco Express Forwarding/ospf be used to do this?

WAN bandwidth calculation for image transfers

Does anyone have am experience in WAN bandwidth / transmission time calculation for PACS systems? I came across GE matrix and they do not make any sense to me. I would think it should be something like ((((<image size> + <all overheads>)/<compression...

DFM mail notifier setup

Has anyone setup the dfm mail notifier,I read the manual and I cant get it to work.the process is running but I am not recieving an emails. thanks in advance for any replys

HSRP

Is there any technical limit on how many vlans you can put on 1 hsrp group number ? We have like 65 vlans on one box 6500 msfc2 and want to put them all into hsrp group 1 , any reason why we can't do this ?

Bandwidth Question

Hello:Not very familiar with VLANS. I have an HP switch cross connected to our main office and a sperate floor. At times, the port on this switch is near saturation, 90% utilization. Is there anything I can do as far as linking 2 ports (similiar to m...

85xx MSR and 8-port E1 IMA card: can i use more than 4 atm links?

I have 8540MSR and 8510MSR, and 8-port E1 IMA cards inside. But I have DSLAMs without IMA support, so i should use ATM links. But this cards can't use more than 4 separate ATM links, it automaticly set other ports to shutdown. But i need in all this ...

Gb etherchannel across 3750 stack of switches/ support for .1q in .1q

Hi,Is it possible to configure an etherchannel across 2 switches using stackwise?Does the 3750 suppport .1q in .1q tunneling?Is it possible to create a port channel through .1q tunneling? Imagine that you have 2 switches connected through a provider ...

multicast works in the wan and not the lan

Okay, it worked for months, now it does not. We have two cat 6500s at the core being core/distro switches. The redundant cat lost its way on boot up one day so we had to massage the boot statements, but did not change the hybrid CatOS or the IOS for ...

Controlling Serial Interface Signal

Is there a way to control the signal on a serial interface simular to DDR?I'm working on a network that requires only one user on the network at a time (Half-Duplex). The problem is that when the router comes up, it starts sending packets, this signa...

Configuring 2610 Router

Hello All,I am currently pursuing my CCNA. I have taken the Intro to Cisco Networking and the 5 day ICND classes. I am preparing to take the exam in couple of weeks and I wanted to practice the commands I learned in class for the simulation portion...

Resolved! Error on a Cisco 3550 - IOS 12.1(19)

Hello, I just received a new cisco 3550 - 24 port switch with cisco IOS 12.1(19) installed on it. The problem that I'm having is that off boot the switch is giving me the following problem:-------------------------------------------------POST: C...

Resolved! Trunk went down when added VTP-domain name

We added VTP domain name to C6000, before addition VTP domain name was empty and switch was configured to VTP server mode. Another switch C5500 was attached to C6000 with trunk link. It was in different VTP domain and it was in VTP client mode. C6000...

Other Network Architecture Subjects

Forum Posts

SUN alert 57221 (Java VM vulnerability)

Cisco 3600(AC) Routers

MLS not needed with MSFC2 & PFC2?

Dual T1 Internet

WAN bandwidth calculation for image transfers

DFM mail notifier setup

HSRP

Bandwidth Question

85xx MSR and 8-port E1 IMA card: can i use more than 4 atm links?

Gb etherchannel across 3750 stack of switches/ support for .1q in .1q

multicast works in the wan and not the lan

Controlling Serial Interface Signal

Configuring 2610 Router

Resolved! Error on a Cisco 3550 - IOS 12.1(19)

Resolved! Trunk went down when added VTP-domain name

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