Routing

Hello - I recently read from Cisco WAAS configuration guide that WAAS uses windows scaling technique as a part of TFO optimization that allows the receiver of a TCP packet to advertise that its TCP receive window can exceed 64 KB. The receive window ...

I wonder if anyone can suggest what is wrong here, or advise on next debugging steps. We have control over all devices in the layout. We have the following topology: dc router1 (7206VXR) | (trunk) dc switch1 (2960) | (trunk allow vlan 20) customer s...

Hi I got a requirement to configure BGP Multi-homing on Firewall which  is running in cluster (Active-Standby) as there are currently some routing issue running HSRP on CE router (ISP Owned). So customer want us to configure Multi homing on firewalls...

Hi Folks...I am reading for BGP,and understand almost everythingBut it is not clear for meWHEN / WHY we should use BGPCan you tell me REAL LIFE SCENARIOS for BGP?What BGP can do , and OSPF/BGP cannot?Please don't reply like : BGP IS FOR SIP for somet...

With the help of Tim Y i created an ACL to prevent several vlans from accessing my management vlans. The ACL works as intended for the WIFI access point public vlan. The SIP vlan will not work however. IF I do not restart the SIP phone the it will co...

Hy all, i wanna build a home lab... ( i got some old 2960's, wlc2504 with 702i & 1702i ap's) so i need to beginning with a new VDSL+ Annex J router. as far as i found these models ill work ??? Cisco 886VA-J-K9 (officially support full annex j) Cisc...

Hi, I have setup some BGP communities for my customers to change the local_pref which are working however I wanted to know if the following config would work in reference to below config. Basically I setup a community called 6666 that will backhole ...

Hello I wonder if it is possible to check the status MTU value in ASR903 router modules using the platform command show ? If so it is possible this MTU value be changed?

Hi All, I am having issues with inbound access from network 200.200.10.0. Outbound traffic from 10.10.10.0 is working fine to 200.200.10.0 via NAT IP 193.50.50.103 I have attached config. Any ideas ?

Hi I'm working with a Cisco 819 4G/LTE (model C819HG-4G-G-K9) with modem Sierra MC7710 When the router attached to the UMTS mobile radio network I saw that the speed is 384000bit/s as showed below: Cisco-819#sh run | beg line 3 line 3  script dialer...

I am testing a CSR1000v on an ESXI host. Ive loaded a new ios image into bootflash, i used the boot system command and reloaded the router. The router comes back in the new ios as expected. However, if i issue a write erase to remove all congif, relo...

i have 3945 router , what licence do i need to activate MPLS ?

Hi Team, Where to get MIB files for below device, I checked in MIB locator, it is showing invalid image name. ISR4321/K9 Image : isr4300-universalk9.03.15.01c.S.155-2.S1c-std.SPA.bi