[Isis-wg] 答复: [OSPF] 答复: 答复: [sunset4] IPv6 router IDs
Xuxiaohu <xuxiaohu@huawei.com> Fri, 09 May 2014 09:57 UTC
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From: Xuxiaohu <xuxiaohu@huawei.com>
To: Karsten Thomann <karsten_thomann@linfre.de>, Anton Smirnov <asmirnov@cisco.com>
Thread-Topic: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 router IDs
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Date: Fri, 09 May 2014 09:56:59 +0000
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References: <CF8CEDD4.2D52B%acee.lindem@ericsson.com> <5367B449.7090304@bogus.com> <1FEE3F8F5CCDE64C9A8E8F4AD27C19EE0826FEA2@NKGEML512-MBS.china.huawei.com> <EEB7CA30-C044-4A35-AF80-F71CEDF521C9@lindem.com> <1FEE3F8F5CCDE64C9A8E8F4AD27C19EE0827025D@NKGEML512-MBS.china.huawei.com> <536B9971.4080700@cisco.com> <1FEE3F8F5CCDE64C9A8E8F4AD27C19EE08270C0C@NKGEML512-MBS.china.huawei.com> <536C9892.50107@linfre.de> <1FEE3F8F5CCDE64C9A8E8F4AD27C19EE08270D2D@NKGEML512-MBS.china.huawei.com> <536CA4AA.20107@linfre.de>
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Cc: "isis-wg@ietf.org" <isis-wg@ietf.org>, "fanpeng@chinamobile.com" <fanpeng@chinamobile.com>, "George, Wes" <wesley.george@twcable.com>, joel jaeggli <joelja@bogus.com>, OSPF List <ospf@ietf.org>, "sunset4@ietf.org" <sunset4@ietf.org>, "lizhenqiang@chinamobile.com" <lizhenqiang@chinamobile.com>
Subject: [Isis-wg] 答复: [OSPF] 答复: 答复: [sunset4] IPv6 router IDs
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Hi Karsten, The term "routable IP address " looks good to me. Best regards, Xiaohu > -----邮件原件----- > 发件人: Karsten Thomann [mailto:karsten_thomann@linfre.de] > 发送时间: 2014年5月9日 17:50 > 收件人: Xuxiaohu; Anton Smirnov > 抄送: isis-wg@ietf.org; George, Wes; fanpeng@chinamobile.com; joel jaeggli; > OSPF List; sunset4@ietf.org; lizhenqiang@chinamobile.com > 主题: Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 router IDs > > Hi Xuxiaohu, > > I think that the question of the purpose of the drafts is clear now and I hope > George can confirm it. > The problem I would like to get addressed is the term Router ID in the drafts, as > the Router ID is not necessarily a routable address, if possible with an update to > the rfc also for the IPv4 "Router ID" in the TLV... > > Or do you (or someone else) have any objections or problems with a change of > the term to clarify that it is not the router ID? > > Kind regards > > Am 09.05.2014 11:31, schrieb Xuxiaohu: > > Hi Karsten, > > > > Your understanding is completely correct. > > > > Best regards, > > Xiaohu > > > >> -----邮件原件----- > >> 发件人: Isis-wg [mailto:isis-wg-bounces@ietf.org] 代表 Karsten Thomann > >> 发送时间: 2014年5月9日 16:58 > >> 收件人: Xuxiaohu; Anton Smirnov > >> 抄送: isis-wg@ietf.org; George, Wes; fanpeng@chinamobile.com; joel > >> jaeggli; OSPF List; sunset4@ietf.org; lizhenqiang@chinamobile.com > >> 主题: Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 router IDs > >> > >> Hi Xiaohu, > >> > >> I think I've understand your problem now, but please don't call it a > >> Router ID, the router ID must not be an IP address. > >> To avoid any confusion about it please call it a router ip or router > >> address within the TLV. > >> Please correct me if I'm wrong, but if I understand your drafts right > >> you're not requesting a real IPv6 Router ID instead of the > >> (arbitrary) 32bit ID, but a simple TLV to carry the routable IPv6 > >> address of the router which advertises the capability. > >> > >> If I understand it right, we should maybe fix the text of the other > >> rfc to refect that it is an routable IP address, instead of a > >> (possible) arbitrary but unique Router ID. > >> > >> Kind regards > >> Karsten > >> > >> Am 09.05.2014 02:53, schrieb Xuxiaohu: > >>> Hi Anton, > >>> > >>> When ISIS capability TLVs are flooded across areas, routers in one > >>> area may > >> need to establish correlations between IP addresses and capabilities > >> of routers in another area. For example, assume IS-IS router A in one > >> area has established a L3VPN session with IS-IS router B in another > >> area. When router A needs to send L3VPN traffic to router B via a > >> MPLS-SR tunnel, router A wants to know whether router B (identified > >> by an IP address) has the ELC > >> (http://tools.ietf.org/html/draft-xu-isis-mpls-elc-00) before > >> inserting an EL into the MPLS-SR packet. In such case, it needs to > >> contain at least one routable IP address in the capability TLV which > >> has been flooded across area boundaries. In the IPv4 network, the > >> 4-octect router ID field could contain such routable IPv4 address. > >> However, in the IPv6 network, there is no counterpart field to contain a > routable IPv6 address. > >>> Best regards, > >>> Xiaohu > >>> > >>>> -----邮件原件----- > >>>> 发件人: Anton Smirnov [mailto:asmirnov@cisco.com] > >>>> 发送时间: 2014年5月8日 22:49 > >>>> 收件人: Xuxiaohu > >>>> 抄送: isis-wg@ietf.org; George, Wes; fanpeng@chinamobile.com; joel > >>>> jaeggli; OSPF List; sunset4@ietf.org; lizhenqiang@chinamobile.com > >>>> 主题: Re: [OSPF] 答复: 答复: [Isis-wg] [sunset4] IPv6 router IDs > >>>> > >>>> Hello Xiaohu, > >>>> this whole thread started from George Wes stating that even > >>>> in pure > >>>> IPv4 world Router ID in many protocols is NOT an IPv4 address. For > >>>> convenience it frequently is but on the binary scale "ID guaranteed > >>>> to be routable IPv4 address"/"ID is just a number" - the Router ID > >>>> is NOT an > >> IPv4 address. > >>>> So, before you convince people that IPv6 Rtr ID is needed you > >>>> must start from discussing when and why Router ID is being used as > >>>> IPv4 address in pure > >>>> IPv4 world. I believe this in other words is what Acee asking you. > >>>> > >>>> Anton > >>>> > >>>> > >>>> On 05/07/2014 03:10 AM, Xuxiaohu wrote: > >>>>> Hi Acee, > >>>>> > >>>>> The motivation for these two drafts > >>>> (http://tools.ietf.org/html/draft-xu-isis-ipv6-router-id-00 and > >>>> http://tools.ietf.org/html/draft-xu-ospf-ipv6-router-id-00) is very > >>>> simple: the > >>>> IPv6 ISIS|OSPF capability TLV/RI-LSA which are used for advertising > >>>> router capabilities can be flooded across areas, however, only a > >>>> 4-octect router ID is carried in them. As a result, it’s hard for > >>>> routers in one area to establish correlations between IPv6 > >>>> addresses and > >> capabilities of routers in another area. > >>>> For example, assume IS-IS router A in one area has established a > >>>> L3VPN session with IS-IS router B in another area over their own > >>>> IPv6 addresses. When router A needs to send L3VPN traffic to router > >>>> B via a MPLS-SR tunnel, router A wants to know whether router B has > >>>> the ELC > >>>> (http://tools.ietf.org/html/draft-xu-isis-mpls-elc-00) before > >>>> inserting an EL into the MPLS-SR packet . However, the Capability > >>>> TLV originated by router B doesn’t carried an IPv6 address of its > >>>> own. As a result, > >> it ! > >>>> s hard fo > >>>> r router A to know the ELC of router B. > >>>>> Best regards, > >>>>> Xiaohu > >>>>> > >>>>>> -----邮件原件----- > >>>>>> 发件人: Acee Lindem [mailto:acee@lindem.com] > >>>>>> 发送时间: 2014年5月6日 21:14 > >>>>>> 收件人: Xuxiaohu > >>>>>> 抄送: joel jaeggli; Acee Lindem; George, Wes; sunset4@ietf.org; > >>>>>> OSPF List; isis-wg@ietf.org; fanpeng@chinamobile.com; > >>>>>> lizhenqiang@chinamobile.com > >>>>>> 主题: Re: [OSPF] 答复: [Isis-wg] [sunset4] IPv6 router IDs > >>>>>> > >>>>>> > >>>>>> On May 5, 2014, at 9:48 PM, Xuxiaohu <xuxiaohu@huawei.com> > wrote: > >>>>>> > >>>>>>>> -----邮件原件----- > >>>>>>>> 发件人: Isis-wg [mailto:isis-wg-bounces@ietf.org] 代表 joel jaeggli > >>>>>>>> 发送时间: 2014年5月5日 23:55 > >>>>>>>> 收件人: Acee Lindem; Xuxiaohu; George, Wes > >>>>>>>> 抄送: ospf@ietf.org; fanpeng@chinamobile.com; isis-wg@ietf.org; > >>>>>>>> sunset4@ietf.org; lizhenqiang@chinamobile.com > >>>>>>>> 主题: Re: [Isis-wg] [sunset4] IPv6 router IDs > >>>>>>>> > >>>>>>>> On 5/5/14, 9:28 AM, Acee Lindem wrote: > >>>>>>>>> Xiaohu – what are precisely the situations that you think you > >>>>>>>>> need this > >>>>>>>>> IPv6 address? > >>>>>>>>> Acee > >>>>>>>> if you're using router-id's as equivalency as an ipv4 unicast addresses. > >>>>>>>> you're doing so at your peril because there is zero assurance > >>>>>>>> that those actually map. the first time you have a router id of > >>>>>>>> 11100000000000000000000000000101 well bummer. > >>>>>>> The IPv6 router ID sub-TLV of the ISIS router capability TLV > >>>>>>> must carry a > >>>>>> "routable" IPv6 address. If the name of the sub-TLV seems > >>>>>> confusing, it can be changed to IPv6 address sub-TLV. > >>>>>> > >>>>>> Independent of what you call it, you didn’t answer my question. > >>>>>> Other than TE, what the use cases where it is needed? > >>>>>> > >>>>>> Acee > >>>>>> > >>>>>> > >>>>>>> Best regards, > >>>>>>> Xiaohu > >>>>>>> > >>>>>>>> I don't find the embedding of semantic meaning in router-ids to > >>>>>>>> be more compelling then it was in ip addresses. > >>>>>>>> > >>>>>>>>> From: Xuxiaohu <xuxiaohu@huawei.com > >>>>>> <mailto:xuxiaohu@huawei.com>> > >>>>>>>>> Date: Sunday, May 4, 2014 1:29 AM > >>>>>>>>> To: "George, Wes" <wesley.george@twcable.com > >>>>>>>>> <mailto:wesley.george@twcable.com>> > >>>>>>>>> Cc: OSPF - OSPF WG List <ospf@ietf.org > >>>>>>>>> <mailto:ospf@ietf.org>>, "isis-wg@ietf.org > >>>>>>>>> <mailto:isis-wg@ietf.org>" <isis-wg@ietf.org > >>>>>>>>> <mailto:isis-wg@ietf.org>>, "fanpeng@chinamobile.com > >>>>>>>>> <mailto:fanpeng@chinamobile.com>" <fanpeng@chinamobile.com > >>>>>>>>> <mailto:fanpeng@chinamobile.com>>, "sunset4@ietf.org > >>>>>>>>> <mailto:sunset4@ietf.org>" <sunset4@ietf.org > >>>>>>>>> <mailto:sunset4@ietf.org>>, "lizhenqiang@chinamobile.com > >>>>>>>> <mailto:lizhenqiang@chinamobile.com>" > >>>>>>>>> <lizhenqiang@chinamobile.com > >>>> <mailto:lizhenqiang@chinamobile.com>> > >>>>>>>>> Subject: Re: [Isis-wg] [sunset4] IPv6 router IDs > >>>>>>>>> > >>>>>>>>> Hi Wes, > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> Thanks for pointing out these two drafts. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> The motivation for these two drafts > >>>>>>>>> (http://tools.ietf.org/html/draft-xu-isis-ipv6-router-id-00 > and > >>>>>>>>> > >>>>>>>>> http://tools.ietf.org/html/draft-xu-ospf-ipv6-router-id-00) is > >> very > >>>>>>>>> simple: the IPv6 ISIS|OSPF capability TLV/RI-LSA which > >>>>>>>>> are used > >> for > >>>>>>>>> advertising router capabilities can be flooded across areas, > >>>>>>>>> however, only a 4-octect router ID is carried in them. As a > result, > >>>>>>>>> it’s hard for routers in one area to establish > >>>>>>>>> correlations > >> between > >>>>>>>>> IPv6 addresses and capabilities of routers in another area. > For > >>>>>>>>> example, assume IS-IS router A in one area has > >>>>>>>>> established a > >> L3VPN > >>>>>>>>> session with IS-IS router B in another area over their own > IPv6 > >>>>>>>>> addresses. When router A needs to send L3VPN traffic to > >>>>>>>>> router B > >>>> via > >>>>>>>>> a MPLS-SR tunnel, router A wants to know whether router > >>>>>>>>> B has > >>>> the > >>>>>>>>> ELC > >>>>>>>>> (http://tools.ietf.org/html/draft-xu-isis-mpls-elc-00) before > >>>>>>>>> > >> <http://tools.ietf.org/html/draft-xu-isis-mpls-elc-00)%20before> > >>>>>>>>> inserting an EL into the MPLS-SR packet . However, the > >> Capability > >>>>>>>>> TLV originated by router B doesn’t carried an IPv6 address > of its > >>>>>>>>> own. As a result, it’s hard for router A to know the ELC > >>>>>>>>> of > >> router B. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> Best regards, > >>>>>>>>> > >>>>>>>>> Xiaohu > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> *发件人:*George, Wes > [mailto:wesley.george@twcable.com] > >>>>>>>>> *发送时间:*2014年5月2日1:51 > >>>>>>>>> *收件人:*Xuxiaohu > >>>>>>>>> *抄送:*sunset4@ietf.org <mailto:sunset4@ietf.org>; > >>>>>>>>> fanpeng@chinamobile.com > >> <mailto:fanpeng@chinamobile.com>; > >>>>>>>>> lizhenqiang@chinamobile.com > >>>> <mailto:lizhenqiang@chinamobile.com> > >>>>>>>>> *主题:*Re: [sunset4] IPv6 router IDs > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> I got a bounce-back on all 3 draft aliases, trying again with > the > >>>>>>>>> authors’s email addresses directly. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> *From: *<George>, "George, Wes" > >> <wesley.george@twcable.com > >>>>>>>>> <mailto:wesley.george@twcable.com>> > >>>>>>>>> *Date: *Thursday, May 1, 2014 at 1:42 PM > >>>>>>>>> *To: *"draft-xu-isis-ipv6-router-id@tools.ietf.org > >>>>>>>>> <mailto:draft-xu-isis-ipv6-router-id@tools.ietf.org>" > >>>>>>>>> <draft-xu-isis-ipv6-router-id@tools.ietf.org > >>>>>>>>> <mailto:draft-xu-isis-ipv6-router-id@tools.ietf.org>>, > >>>>>>>>> "draft-xu-ospf-ipv6-router-id@tools.ietf.org > >>>>>>>>> <mailto:draft-xu-ospf-ipv6-router-id@tools.ietf.org>" > >>>>>>>>> <draft-xu-ospf-ipv6-router-id@tools.ietf.org > >>>>>>>>> <mailto:draft-xu-ospf-ipv6-router-id@tools.ietf.org>> > >>>>>>>>> *Cc: *"draft-fan-idr-ipv6-bgp-id@tools.ietf.org > >>>>>>>>> <mailto:draft-fan-idr-ipv6-bgp-id@tools.ietf.org>" > >>>>>>>>> <draft-fan-idr-ipv6-bgp-id@tools.ietf.org > >>>>>>>>> <mailto:draft-fan-idr-ipv6-bgp-id@tools.ietf.org>>, > >>>>>>>>> "sunset4@ietf.org <mailto:sunset4@ietf.org>" > >> <sunset4@ietf.org > >>>>>>>>> <mailto:sunset4@ietf.org>> > >>>>>>>>> *Subject: *[sunset4] IPv6 router IDs > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> I see that you have submitted two drafts for IPv6 router > >>>>>>>>> IDs in > >> ISIS > >>>>>>>>> and OSPF, noting that the existing router ID is only 4 octets. > This > >>>>>>>>> has also come up in IDR for BGP. The authors of that draft > are > >>>>>>>>> copied. I’ll give you a similar set of feedback to what > >>>>>>>>> I gave them - > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> It is important to distinguish between places where a unique > >>>>>>>>> identifier is needed, and by *convention* an IPv4 > >>>>>>>>> address > >> assigned > >>>>>>>>> to the device has been used to provide that unique ID, vs. > places > >>>>>>>>> where the actual IP address has some sort of importance to > the > >>>>>>>>> protocol (I.e. That information must be available to > >>>>>>>>> take action > >> on). > >>>>>>>>> In other words, is the protocol requirement that the ID > >>>>>>>>> be > >> unique > >>>>>>>>> across some domain, but that the actual value does not > >>>>>>>>> matter, > >> or is > >>>>>>>>> the protocol requirement that the value must correspond > >>>>>>>>> to > >>>> something > >>>>>>>>> on the router? In many of the former cases, the fact > >>>>>>>>> that the > >> value > >>>>>>>>> isn’t relevant has been used to make recommendations > >>>>>>>>> that are > >>>> easier > >>>>>>>>> for humans to deal with (I.e. Tying the router ID to an > >>>>>>>>> IP > >> address) > >>>>>>>>> but that value as a human-readable set of info does not > >> necessarily > >>>>>>>>> justify changes to the protocol to support that > >>>>>>>>> convention as > >> we > >>>>>>>>> move to IPv6. > >>>>>>>>> > >>>>>>>>> I would argue that the router ID used in routing protocols > must > >>>>>>>>> merely be unique, but it doesn’t have to be an IP address at > all. > >>>>>>>>> Thus it is not strictly necessary to create a new field to carry > >>>>>>>>> IPv6 addresses when operating without IPv4 addresses on > >>>>>>>>> a > >>>> network. > >>>>>>>>> If you believe otherwise, the justification needs to be > >> documented > >>>>>>>>> in the draft. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> There are many places in IETF protocols where a 32 bit > unique > >>>>>>>>> identifier is needed, and by convention an IPv4 address > >>>>>>>>> has > >> been > >>>>>>>>> used. It would be far more useful to write a general draft > >>>>>>>>> identifying this problem and discussing several > >>>>>>>>> solutions, > >> including > >>>>>>>>> simply generating unique IDs manually, systematically > >> generating a > >>>>>>>>> random ID, etc. the place for such a draft may be in > Sunset4, > >>>>>>>>> either as a part of the existing gap analysis draft or as > another > >>>>>>>>> standalone draft. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> There was rather a long discussion about this on IDR, thread > >>>>>>>>> here: > >>>>>>>>> https://mailarchive.ietf.org/arch/search/?qdr=a&email_list=idr > >>>>>>>>> &q > >>>>>>>>> =% > >>>>>>>>> 22 > >>>>>>>>> %5 > >>>>>>>>> Bidr%5D+%5Bv6ops%5D+BGP+Identifier%22&as=1&gbt=1 > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> And in the IDR meeting, minutes: > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> http://www.ietf.org/proceedings/89/minutes/minutes-89-idr > >>>>>>>>> (see page 11) > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> I’d encourage the authors of these drafts to work > >>>>>>>>> together on > >> this. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> Thanks, > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> Wes George > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> Anything below this line has been added by my company’s > >>>>>>>>> mail > >>>> server, > >>>>>>>>> I have no control over it. > >>>>>>>>> > >>>>>>>>> ----------- > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> -------------------------------------------------------------- > >>>>>>>>> -- > >>>>>>>>> -- > >>>>>>>>> -- > >>>>>>>>> -- > >>>>>>>>> -- > >>>>>>>>> > >>>>>>>>> This E-mail and any of its attachments may contain Time > >>>>>>>>> Warner > >>>> Cable > >>>>>>>>> proprietary information, which is privileged, confidential, or > >>>>>>>>> subject to copyright belonging to Time Warner Cable. > >>>>>>>>> This > >> E-mail is > >>>>>>>>> intended solely for the use of the individual or entity to > which it > >>>>>>>>> is addressed. If you are not the intended recipient of this > E-mail, > >>>>>>>>> you are hereby notified that any dissemination, distribution, > >>>>>>>>> copying, or action taken in relation to the contents of and > >>>>>>>>> attachments to this E-mail is strictly prohibited and may be > >>>>>>>>> unlawful. If you have received this E-mail in error, please > notify > >>>>>>>>> the sender immediately and permanently delete the > >>>>>>>>> original and > >>>> any > >>>>>>>>> copy of this E-mail and any printout. > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> _______________________________________________ > >>>>>>>>> sunset4 mailing list > >>>>>>>>> sunset4@ietf.org > >>>>>>>>> https://www.ietf.org/mailman/listinfo/sunset4 > >>>>>>>>> > >>>>>>> _______________________________________________ > >>>>>>> OSPF mailing list > >>>>>>> OSPF@ietf.org > >>>>>>> https://www.ietf.org/mailman/listinfo/ospf > >>>>> _______________________________________________ > >>>>> OSPF mailing list > >>>>> OSPF@ietf.org > >>>>> https://www.ietf.org/mailman/listinfo/ospf > >>>>> > >>> _______________________________________________ > >>> OSPF mailing list > >>> OSPF@ietf.org > >>> https://www.ietf.org/mailman/listinfo/ospf > >> _______________________________________________ > >> Isis-wg mailing list > >> Isis-wg@ietf.org > >> https://www.ietf.org/mailman/listinfo/isis-wg
- Re: [Isis-wg] [sunset4] IPv6 router IDs Xuxiaohu
- Re: [Isis-wg] [sunset4] IPv6 router IDs Les Ginsberg (ginsberg)
- Re: [Isis-wg] [sunset4] IPv6 router IDs Acee Lindem
- Re: [Isis-wg] [sunset4] IPv6 router IDs Xuxiaohu
- Re: [Isis-wg] [sunset4] IPv6 router IDs joel jaeggli
- [Isis-wg] 答复: [sunset4] IPv6 router IDs Xuxiaohu
- [Isis-wg] 答复: [OSPF] 答复: [sunset4] IPv6 router IDs Xuxiaohu
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Xuxiaohu
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Karsten Thomann
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Xuxiaohu
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Karsten Thomann
- [Isis-wg] 答复: [OSPF] 答复: 答复: [sunset4] IPv6 route… Xuxiaohu
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Acee Lindem
- Re: [Isis-wg] [OSPF] 答复: [sunset4] IPv6 router IDs Acee Lindem
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Anton Smirnov
- Re: [Isis-wg] [OSPF] 答复: 答复: 答复: [sunset4] IPv6 r… Uma Chunduri
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Uma Chunduri
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Acee Lindem
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Uma Chunduri
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Acee Lindem
- [Isis-wg] 答复: [OSPF] 答复: 答复: [sunset4] IPv6 route… Xuxiaohu
- Re: [Isis-wg] [OSPF] 答复: 答复: [sunset4] IPv6 route… Uma Chunduri