On Mon, 14 Jul 2014 22:33:11 +0530 rajiv chavan <rc214...@gmail.com> wrote:
> On Mon, 14 Jul 2014 07:53:06 +0530 > - Hide quoted text - > rajiv chavan <rc214...@gmail.com> wrote: > > > Mon, 14 Jul 2014 07:26:20 +0530 > > > > Thank you Mett. > > Traceroute packets from another host dropped by ISP netwoek at > > 218.248.0.0 > > > > >netstat -rn > > > > Destination Gateway Genmask Flags MSS Window > > irtt Iface 0.0.0.0 0.0.0.0 0.0.0.0 U > > 0 0 0 ppp0 117.0.0.0 0.0.0.0 255.0.0.0 > > U 0 0 0 eth0 117.222.8.1 0.0.0.0 > > 255.255.255.255 UH 0 0 0 ppp0 127.0.0.0 > > 0.0.0.0 255.0.0.0 U 0 0 0 lo > > 192.168.1.0 0.0.0.0 255.255.255.0 U 0 > > 0 0 eth0 224.0.0.0 0.0.0.0 240.0.0.0 > > U 0 0 0 eth0 > > > > ifconfig eth0:0 yields: > > >ip a > > > > 2: eth0: > > link/ether > > inet 192.168.1.2/24 brd 192.168.1.255 scope global eth0 > > inet 117.222.15.189/8 brd 117.255.255.255 scope global eth0:0 > > 3: ppp0: > > link/ppp > > inet 117.222.15.189 peer 117.222.8.1/32 scope global ppp0 > > > > This is a lone host - no network. > > Address 117.222.15.189 does not map to modem-router. Nmap on modem > > returns ports 23,80,5431 open. All ports on 117.222.15.189 filtered. > > The state may not be reproducible. Oftentiimes eth0 gets only > > 192.168.1.2 address (which can be pinged ),and ppp0 does not exist. > > > > > > On 7/14/14, mett <m...@pmars.jp> wrote: > > > On Mon, 14 Jul 2014 00:31:43 +0530 > > > rajiv chavan <rc214...@gmail.com> wrote: > > > > > >> Sun, 13 Jul 2014 23:34:41 +0530 > > >> > > >> ip a output on an adsl+ (pppoe) client: > > >> =snip= > > >> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc > > >> pfifo_fast state UP group default qlen 1000 > > >> inet 192.168.1.2/24 brd 192.168.1.255 scope global eth0 > > >> 3: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1460 qdisc > > >> pfifo_fast state UNKNOWN group default qlen 3 > > >> link/ppp > > >> inet 117.222.15.189 peer 117.222.8.1/32 scope global ppp0 > > >> =snip= > > >> Can ping 127.0.0.1 and 192.168.1.1 but not 117.222.15.189 nor > > >> 192.168.1.2 tcpdump on eth0 detcts pppoe packets from > > >> 117.222.15.189 to hosts except 192.168.1.1-2 > > >> nmap reports 117.222.15.189 ip but all posrt 1-1000 filtered. > > >> > > >> > > > > > > Hi, > > > > > > Everything is on the same interface? > > > I don't think Eth0 can be routing for your local network and at > > > the same time become ppp0 and route for a global network. > > > I think you'll need some kind of subinterfaces if you want to use > > > only one physical interface for your local network and the outside > > > one. > > > > > > Maybe try a traceroute and you'll see where the packets are going. > > > Also, check the routes(netstat -nr or route -ne). > > > > > > You might give a try one by one to see at what point it stops > > > working: -try only the local network first and once it's working > > > try to set up your pppoe link. > > > > > > hth > > > > > > > > > -- > > > To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org > > > with a subject of "unsubscribe". Trouble? Contact > > > listmas...@lists.debian.org > > > Archive: > > > https://lists.debian.org/20140714091211.3c1fd4cd@asus.tamerr > > > > > > > > No prob, > by the way, better to answer to the list than PM to my address, > as sby who might have same problem can see this thread and benefit of > the info as well. > > Also, on this mailing list, generally you post down the thread, > like this other persons reading the thread can get an idea of the > whole thing, easily by scrolling down. > > Regarding the issue, if this is a lone host and you are not NATing, > one easy way of trblshooting would be : > -no manual ip address at all on eth0 > -no manual routes as well, > -then run pppoeconf, it's quite straight forward and tells you if it > finds an aggregator on your ISP side. > > With the following top. > > PC----modem-----Internet > > > Did you try to set up route manually, as I can see many routes under > netstat -nr ? > > By the way, I never tried with subinterfaces on same phy for outside > and inside, but I don't understand why you have a route for > multicast(224 smtg) and also a route for the 117.0.0.0 network and > at the same time one for 192.168, all that on eth0. > Even if eth0 is showing eth0:0, I don't think you need a route for > 117.0.0.0., neither one for multicast(224). > > Try to remove them and see what happened but would be better, faster > and easier to just run pppoeconf with an eth0 interface without any IP > address. > > Also, I was talking about traceroute from your host to outside. > If it doesn't go anywhere, you will be sure the problem is on your > side. > > Also, you said your host is alone, no network but eth0 on 192.168.1.2 > can be pinged. I don't understand how that is possible. > > > As a ref, I paste mine down here > # netstat -nr > Kernel IP routing table > Destination Gateway Genmask Flags MSS Window > irtt Iface > ISP.AGG.IP.ADD 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 > 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 > 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 > > Thing is I have 2 phy interfaces, so ppp0 is not running on eth0 but > eth1, that you cannot see here. > I only ran pppoeconf, did not install any routes or ip address on the > ppp0 interface. > > then ip a > > 2: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast > state UP qlen 1000 > link/ether 00:22:cf:6b:68:0d brd ff:ff:ff:ff:ff:ff > > 3: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast > state UP qlen 1000 > link/ether 00:07:95:d5:2f:da brd ff:ff:ff:ff:ff:ff > inet 192.168.1.1/24 brd 192.168.1.255 scope global eth0 > 190: ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1454 qdisc > pfifo_fast state UNKNOWN qlen 3 > link/ppp > inet PUB.LIC.IP.ADD peer ISP.AGG.IP.ADD/32 scope global ppp0 > > hth > > ==== > > Mon, 14 Jul 2014 13:38:51 +0530 > > one interface eth0. > + adsl modem-router > > Three possible states: > > 1 > (Rare) output normal as in your eth0,ppp0 > ppp0 address can be used to connect to host on all ports. > > 2 > Usual,: only eth0 address 192.168.1.2 is visible, modem will be on > 192.168.1.1 No ppp link: traceroute to some address first hops at > 192.168.1.1 second hop at ppp-peer (117.x.x.1). > 192.168.1.1-2 can be pinged. Public IP address maps to > modem-router(ISP-provided). Can check with nmap > Host unreachable on ssh, cannot be pinged from other hosts. > Tcpdump cannot capture any packet tp/from public-ip addr: probably > ppp0 on router itself (bridged mode) > Public ip addr visible on modem web interface as WAN IP address ( and > to interent hosts as ENV{REMOTE_ADDR}) > >route -n > Destination Gateway Genmask Flags Metric Ref > Use Iface 0.0.0.0 192.168.1.1 0.0.0.0 UG > 0 0 0 eth0 127.0.0.0 0.0.0.0 > 255.0.0.0 U 0 0 0 lo 192.168.1.0 > 0.0.0.0 255.255.255.0 U 0 0 0 eth0 > 224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 > 0 eth0 > > > 3 > Infrequent: Public ip 117.222.13.120 (ppp0) /192.168.1.2 cannot be > pinged. 192.168.1.1(modem) can be pinged > Pulblic ip (ppp0) does not map to modem-router/localhost. Nmap returns > all ports filtered. > Traceroute to other hosts - > first hop at 117.222.8.1.( ppp peer) > Tcpdump detects pppoe session traffic from/to ppp0 [ether header > absent - this is not localhost] > > >netstat -rn > 117.0.0.0 routed thro' eth0 > 192.168.1.0 routed thro' ppp0 > - - - > Second and Third state : cannot connect to host from other hosts[ ssh > telnet} Only localhost can initiate connection. > DHCP lease is <24 hours. Can be a few hours or few minutes at times. > Connectivity loss is random and frequent. > > pppoe stats on modem: > Service VPI/VCI Protocol Interface > Received Transmitted Bytes Pkts Errs > Drops Bytes Pkts Errs Drops > pppoe_0_35_1 0/0/35 PPPoE ppp_0_0_35_1 > 3162509 4204 0 0 312523 > 3994 0 0 br_0_32 0/0/32 Bridge > nas_0_0_32 0 0 0 0 3992916 > 56909 0 283 br_0_100 0/0/100 > Bridge nas_0_0_100 0 0 0 0 > 3992902 56909 0 282 br_8_81 0/8/81 > Bridge nas_0_8_81 0 0 0 0 > 3993320 56910 0 280 br_8_35 0/8/35 > Bridge nas_0_8_35 0 0 0 0 > 3992951 56909 0 280 br_14_34 > 0/14/34 Bridge nas_0_14_34 0 0 > 0 0 3992951 56909 0 279 > br_1_41 0/1/41 Bridge nas_0_1_41 0 > 0 0 0 3993377 56910 0 277 > > Modem replacement does not alter the options. > > ==== > Apologies for all earlier errors > ==== > > Hey Rajiv, No prob at all. You're talking about a modem-router. Are you trying to run your ISP modem-router in bridge-mode? Or only NAT? If NAT, then you don't need ppp on your PC's eth0, usually the router_modem is providing dhcp services on its local interface. But you will need to do port-forwarding to be able to ssh or anything from outside. hth -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20140715102307.4382c23c@asus.tamerr