About iftikhar.qurashi

iftikhar.qurashi · 08-01-2007

I have hit a scenario and looking for some techincal help here for any possible work arounds if you have seen similar thing somewhere else. Following is the simplified topology CustomerSwitch1(dot1q)------------(qinq,l2tp)SP-A Switch1(dot1q)--------...

iftikhar.qurashi · 04-12-2007

I have observed a new behavior of NAT in 12.4.10b; for packets coming infrom outside to inside and if a dynamic NAT entry exists in the nat translation table for the destination address (inside local) of packets coming into the router from outside, t...

iftikhar.qurashi · 08-16-2006

I am wondering if it is possible via configurations to make sure that IPSEC processing does not off load to the main processor in the case of VAM card (Encryption Card) failure. Or if it is possible to have a secondary VAM card in the 7200 Chassis. (...

iftikhar.qurashi · 06-30-2006

I am having issues in brining up the connectivity between AS400 connecting to FEP using SDLC. I am trying to perform STUN SDLC on the 2800 routers with low speed WAN interfaces facing AS400 and FEP, here is the toplogy;as400----R1-------R2-------FEPT...

iftikhar.qurashi · 03-23-2006

Hi, Is it possible to have CBWFQ style QoS on 6500 SUP2/MFSC2/PFC2, 12.1.23E on the LAN cards, the cards with 1P2Q2T type ports (not the flexWANs). I have read 6500 PFC QoS documentation and did not found any reference to router style CBWFQ (I did no...

iftikhar.qurashi · 04-18-2007

Thanks for your response, I agree and found out that the issue is because of using ACL Further I found out following very good CISCO document which outlines very clearly as why I observed this issue. Once a NAT entry is created in the NAT table usin...

iftikhar.qurashi · 08-17-2006

Following command avaiable in 12.3(14)T will fix the issue;no crypto engine software ipsecthanksIftikhar

iftikhar.qurashi · 07-22-2006

Hi Jim,Thanks for your input, here is the situation now; Encoding, addressing and ip connectivity are all verified and okay. The configuration that I have initially posted has worked after recycling the line on the FEP side. Then we performed a shake...

iftikhar.qurashi · 07-06-2005

For Gigabit ethernet over CAT5, it require all 4 pairs of RJ45 to complete the circuit. 10/100 uses only 2 pairs. if pin 8 is open then Gigabit ethernet will not conider this as a complete circuit but if you fix the speed of either switch or PC to 10...

iftikhar.qurashi · 02-28-2004

I deployed DLSW+ and IPSEC 3DES on CISCO 2600 router. I had some challenges regarding IOS instability, which were fixed by using correct IOS.MTU size issue on IPSEC routers with Frame Relay serial interfaces can be fixed by increasing the size to 160...

Member Since	‎08-27-2003 10:34 AM
Date Last Visited	‎08-18-2017 03:51 AM
Posts	19

User Statistics

User Activity

QinQ over QinQ including L2TP

NAT behavior in 12.4 - Is this something new or a bug ?

IPSEC Processing on 7200 with VAM

STUN: AS400 to FEP SDLC

CBWFQ style QoS on 6500 (Native)

Re: NAT behavior in 12.4 - Is this something new or a bug ?

Re: IPSEC Processing on 7200 with VAM

Re: STUN: AS400 to FEP SDLC

Re: What role does pin 8 play in autonegotiate?

Re: DLSw and IPSEC