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- Thank you received: 1
VLAN "stretching" over frame relay (WAN in general
15 years 7 months ago #29861
by skylimit
"...you are never too old to learn" anon
Hi guys,
I'm currently in the design phase of implementing a cluster (2-node) which spans across 2 sites/data center* but I'm stuck on how best to make the virtual IP address exist on both networks.
I believe it's possible to have same subnet across the two sites so that it appears as a non-routed LAN, this way a virtual IP providing services can migrate from primary to secondary during a failure. What keeps coming to my mind is VLANs. i.e. having a VLAN (one network) stretch across the sites (over the Frame relay network**) so that nodes appear to be in same network. Is this possible? If so how? Anyone had experience with this? Or am I just hitting my head against a brick wall..
Diagram: yfrog.com/3shaclusterdiagj
Any help will be greatly appreciated.
Thanks
*actually both nodes are located in same physical location but separated by the Frame relay which makes it appear as two sites/networks..
**We have a frame relay kit in the office so no provider is involved at this stage. [/b]
I'm currently in the design phase of implementing a cluster (2-node) which spans across 2 sites/data center* but I'm stuck on how best to make the virtual IP address exist on both networks.
I believe it's possible to have same subnet across the two sites so that it appears as a non-routed LAN, this way a virtual IP providing services can migrate from primary to secondary during a failure. What keeps coming to my mind is VLANs. i.e. having a VLAN (one network) stretch across the sites (over the Frame relay network**) so that nodes appear to be in same network. Is this possible? If so how? Anyone had experience with this? Or am I just hitting my head against a brick wall..
Diagram: yfrog.com/3shaclusterdiagj
Any help will be greatly appreciated.
Thanks
*actually both nodes are located in same physical location but separated by the Frame relay which makes it appear as two sites/networks..
**We have a frame relay kit in the office so no provider is involved at this stage. [/b]
"...you are never too old to learn" anon
15 years 7 months ago #29862
by Chojin
CCNA / CCNP / CCNA - Security / CCIP / Prince2 / Checkpoint CCSA
Replied by Chojin on topic Re: VLAN "stretching" over frame relay (WAN in general
I think what you are looking for as a QinQ tunnel.
www.ippacket.org/blog/archives/2004/08/ieee_8021q-in-q.html
If you need more info, just let me know
www.ippacket.org/blog/archives/2004/08/ieee_8021q-in-q.html
If you need more info, just let me know
CCNA / CCNP / CCNA - Security / CCIP / Prince2 / Checkpoint CCSA
15 years 7 months ago #29863
by skylimit
"...you are never too old to learn" anon
Replied by skylimit on topic Re: VLAN "stretching" over frame relay (WAN in general
Thanks for the quick reply. I actually stumbled upon QinQ here:
ccnprecertification.com/2004/03/17/8021q-tunneling/
and even though it looks pretty straightforward, I dont think I can configure it. Are there any alternatives?
Any more responses appreciated.
Thanks again.
Any more responses appreciated.
Thanks again.
"...you are never too old to learn" anon
15 years 7 months ago #29864
by Chojin
CCNA / CCNP / CCNA - Security / CCIP / Prince2 / Checkpoint CCSA
Replied by Chojin on topic Re: VLAN "stretching" over frame relay (WAN in general
you can't configure because of it is too hard or not possible due to your infrastructure?
www.cisco.com/en/US/docs/ios/lanswitch/c...lsw_ieee_802.1q.html
Here is more info and a configure guide.
If you need help with configuring, let me know.
www.cisco.com/en/US/docs/ios/lanswitch/c...lsw_ieee_802.1q.html
Here is more info and a configure guide.
If you need help with configuring, let me know.
CCNA / CCNP / CCNA - Security / CCIP / Prince2 / Checkpoint CCSA
15 years 7 months ago #29865
by skylimit
"...you are never too old to learn" anon
Replied by skylimit on topic Re: VLAN "stretching" over frame relay (WAN in general
Chojin, I appreciate your replies... I dont think our current hardware supports QinQ tunelling. Also since a service provider is not involved at this stage, I dont know if this is the best option..
Thanks again.
Thanks again.
"...you are never too old to learn" anon
15 years 7 months ago #29875
by skylimit
"...you are never too old to learn" anon
Replied by skylimit on topic Making two networks appears as one
Hi guys,
This question is related to my previous post. I have one server/node in data center A and another server/node in data center B.Both data centers are connected by a frame relay. Is it possible to have both nodes (active & standby) appear to be on the same network so that they can share a virtual IP? If so, how?
Here's my diagram: yfrog.com/3shaclusterdiagj
This is to enable me achieve high availability clustering where nodes on different networks/sites share the same IP address (virtual/Ip alias) to which clients connect in order access the cluster.
I believe there are people here who can answer this.
Thanks for any replies.
PS. the servers run linux
This question is related to my previous post. I have one server/node in data center A and another server/node in data center B.Both data centers are connected by a frame relay. Is it possible to have both nodes (active & standby) appear to be on the same network so that they can share a virtual IP? If so, how?
Here's my diagram: yfrog.com/3shaclusterdiagj
This is to enable me achieve high availability clustering where nodes on different networks/sites share the same IP address (virtual/Ip alias) to which clients connect in order access the cluster.
I believe there are people here who can answer this.
Thanks for any replies.
PS. the servers run linux
"...you are never too old to learn" anon
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