Hi,
I have a question about the size of the IS-IS and OSPF area. What is the
guidelines in setting up the IS-IS or OSPF area? How many routers an area
can have? What are the key facts to determine how many routers an area can
have? router memory size? router interface bandwidth? or some other fac
Hi all,
IS-IS is defined to work with CLNP not for IP originally. Until today a lot
of SONET and telecommunication equipment vendors still use IS-IS to route
CLNP packets through the SONET Data communication channel(DCC) to carry
management information and there is a great pressure to change thi
Title: MPLS and Private Network
Dear Friends,
A company consists of 2 remotely separated sites, A and B. A leased T1 line connects the networks on these 2 sites together. We generally call the company's network a private network since the connection between the 2 sites are private leased lin
Dear Friends,
I never see or heard any product use 802.3 LLC frame format to carry IP
packet. But I am not sure I am correct. Does anyone knows that some product
does use the LLC frame to carry IP packets and why?
There are 2 type of Ethernet frames:
Ethernet Version 2 Frame:
| destina
Dear Friends,
There are plenty of books describing how IP packets are encapsulated in
Ethernet frames or ATM cells, or PPP frames. But I have not seen a book
describe how IP packets be carried in DS1, Fractional DS1, DS3, Fractional
DS3 signals. These signals are point to point, byte streams. I t
Dear Friends,
This may be a silly question but I never found a clear answer form a book or
a standard.
A router is running BGP4, OSPF and RIP at the same time. How many routing
tables(or forwarding tables) this router has? I think there should be only
one table produced by all the protocols and
