Sup 720 vs Sup II in Catalyst 6509

Discussion in 'Cisco' started by netman42, Apr 16, 2004.

  1. netman42

    netman42 Guest

    I am looking to replace a core network with a new 6509 chassis. I am
    replacing a cabletron/enterasys ssr8600 16 slot switch/router. My
    question is: how much more value do i get with SUP 720 card vs Sup II
    but not sure I can justify the costs. I want to take advantage of
    10/100/1000 ae 48 port cards. I see express forwarding but...
     
    netman42, Apr 16, 2004
    #1
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  2. netman42

    Chris Thomas Guest

    In article <>,
    says...
    > I am looking to replace a core network with a new 6509 chassis. I am
    > replacing a cabletron/enterasys ssr8600 16 slot switch/router. My
    > question is: how much more value do i get with SUP 720 card vs Sup II
    > but not sure I can justify the costs. I want to take advantage of
    > 10/100/1000 ae 48 port cards. I see express forwarding but...


    48 gig ports per card on a sup II is badly overbooked, with only an 8
    gig bplane connection. It's still overbooked on a 720, but with two
    20 gig connections, much less so.

    /Chris, UCLA
     
    Chris Thomas, Apr 17, 2004
    #2
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  3. Hello, Chris!
    You wrote on Fri, 16 Apr 2004 18:34:40 -0700:

    >> I am looking to replace a core network with a new 6509 chassis.
    >> I am replacing a cabletron/enterasys ssr8600 16 slot
    >> switch/router. My question is: how much more value do i get
    >> with SUP 720 card vs Sup II but not sure I can justify the
    >> costs. I want to take advantage of 10/100/1000 ae 48 port
    >> cards. I see express forwarding but...


    CT> 48 gig ports per card on a sup II is badly overbooked, with
    CT> only an 8 gig bplane connection. It's still overbooked on a
    CT> 720, but with two 20 gig connections, much less so.

    Just my $0.02v- in order to get 8 gig (actually 16 gig, I believe, because it
    will be dual attached) with Sup II you need Switched Fabric Module also. Last
    time I've looked into Cisco's price list Sup II + SFM was about $7K more than
    Sup720 which has SFM built-in. So from price point of view Sup720 is cheaper
    unless you don't want/have fabric enabled modules and the only thing you need is
    32 gig shared backplane. But than - why not 3750? :)

    With best regards,
    Andrey.
     
    Andrey Tarasov, Apr 17, 2004
    #3
  4. netman42

    Hansang Bae Guest

    In article <c5q4dt$9u9$>, says...
    > Just my $0.02v- in order to get 8 gig (actually 16 gig, I believe, because it
    > will be dual attached) with Sup II you need Switched Fabric Module also. Last
    > time I've looked into Cisco's price list Sup II + SFM was about $7K more than
    > Sup720 which has SFM built-in. So from price point of view Sup720 is cheaper
    > unless you don't want/have fabric enabled modules and the only thing you need is
    > 32 gig shared backplane. But than - why not 3750? :)


    Before considering the throughput numbers, you have think about support.
    Or lack thereof. Last time we looked at the 720 (two months ago?),
    there was *ONE* image that supported it. If you run into some type of a
    bug, you're screwed. This was a deal breaker for us. I'll wait til the
    beast matures a bit more.


    --

    hsb

    "Somehow I imagined this experience would be more rewarding" Calvin
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    Hansang Bae, Apr 17, 2004
    #4
  5. Hello, Hansang!
    You wrote on Sat, 17 Apr 2004 03:14:45 GMT:

    HB> Before considering the throughput numbers, you have think
    HB> about support.
    HB> Or lack thereof. Last time we looked at the 720 (two months
    HB> ago?), there was *ONE* image that supported it. If you run
    HB> into some type of a bug, you're screwed. This was a deal
    HB> breaker for us. I'll wait til the beast matures a bit more.

    Well, either your two months are really long ones or... Quick look into Software
    Center shows that there is 5 images in CatOS and 6 in IOS :)

    But on a serious note I totally agree - if, for example, Safe Harbor images is
    the only choice than price/performance is not an important factor at all.

    With best regards,
    Andrey.
     
    Andrey Tarasov, Apr 17, 2004
    #5
  6. netman42

    Rob Guest

    To me, IOS wins out regardless of other features. But that's just me.



    On 16 Apr 2004 13:40:23 -0700, (netman42)
    wrote:

    >I am looking to replace a core network with a new 6509 chassis. I am
    >replacing a cabletron/enterasys ssr8600 16 slot switch/router. My
    >question is: how much more value do i get with SUP 720 card vs Sup II
    >but not sure I can justify the costs. I want to take advantage of
    >10/100/1000 ae 48 port cards. I see express forwarding but...
     
    Rob, Apr 18, 2004
    #6
  7. netman42

    netman42 Guest

    Hello Andrey,
    Thanks for all the responses...
    What do you mean by the 3750? I know that is a workgroup level switch.

    Thanks,
    Netman42

    "Andrey Tarasov" <> wrote in message news:<c5q4dt$9u9$>...
    > Hello, Chris!
    > You wrote on Fri, 16 Apr 2004 18:34:40 -0700:
    >
    > >> I am looking to replace a core network with a new 6509 chassis.
    > >> I am replacing a cabletron/enterasys ssr8600 16 slot
    > >> switch/router. My question is: how much more value do i get
    > >> with SUP 720 card vs Sup II but not sure I can justify the
    > >> costs. I want to take advantage of 10/100/1000 ae 48 port
    > >> cards. I see express forwarding but...

    >
    > CT> 48 gig ports per card on a sup II is badly overbooked, with
    > CT> only an 8 gig bplane connection. It's still overbooked on a
    > CT> 720, but with two 20 gig connections, much less so.
    >
    > Just my $0.02v- in order to get 8 gig (actually 16 gig, I believe, because it
    > will be dual attached) with Sup II you need Switched Fabric Module also. Last
    > time I've looked into Cisco's price list Sup II + SFM was about $7K more than
    > Sup720 which has SFM built-in. So from price point of view Sup720 is cheaper
    > unless you don't want/have fabric enabled modules and the only thing you need is
    > 32 gig shared backplane. But than - why not 3750? :)
    >
    > With best regards,
    > Andrey.
     
    netman42, Apr 19, 2004
    #7
  8. netman42

    Chris Thomas Guest

    In article <>,
    says...

    > Thanks for all the responses...
    > What do you mean by the 3750? I know that is a workgroup level switch.


    The 3750 is an extremely capable "workstation switch" which has a 32
    Gb backplane, and full routing capabilities including BGP (although
    due to memory constraints it won't hold a full Internet route table.)
    In a lot of ways, the 3750 is similar in performance to a small 6500
    with a Sup 1 or Sup 2 without SFM (switch fabric module), and very
    much less expensive. I believe that was Andrey's point.

    /Chris, UCLA
     
    Chris Thomas, Apr 19, 2004
    #8
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